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LInnovative

Switching & Control

OGO! - The internalqualities

count

© Siemens AG 2009 - Subject to modifications

I IA AS FA PS4Logic module LOGO!

Introduction

Wiring

Integrated functions

Operation on device

LOGO! Soft Comfort V6.1

Application example

LOGO! –InnovativeSwitching & Control ... In detail

The Original!

Introduction



Introduction

Wiring


Operation on device


Application example

LOGO! in detail overview

Wiring Hardware assembly Connecting power supply Connecting inputs and outputs Switch-on behavior

Integrated functions Connectors Basic functions Special functions

Operation on device Control for operation First program LOGO! in run mode Configuring LOGO!

LOGO! Soft Comfort V6.1 Help functions Realizing typical tasks step by step Modem wizard Other options

Application example Control of bottle filling conveyor

Introduction



Introduction

Wiring


Operation on device


Application example

LOGO! wiring

NK2

L1

K2

I :

0.. 123456789

1..0123456789

2..01234

4

Wiring



Introduction

Wiring


Operation on device


Application example

LOGO! ..0BA5 hardware structure

Maximum configuration: 24 digital inputs + 8 analog inputs+16 digital outputs + 2 analog outputs

Power supply

Power supply for expansion modules

RUN/STOP

4 outputs

4 inputs

8 inputs

Switch for electrical

connection

4 outputs

Backlit display

Adjustable contrast

The internalqualities

count

Wiring

Connection interface forLOGO! TD

E-Stand (ESx)



Introduction

Wiring


Operation on device


Application example

To connect LOGO! to the power supply:

Protection by fuseif required (recommended) for:

12/24 RC...: 0.8 A24: 2.0 A

With voltage spikes, use a varistor(MOV) with an operating voltage at least 20% higher than nominal voltage.

LOGO! ..... with AC supply voltage

LOGO! ..... with DC supply voltage

LOGO! wiring

Wiring



Introduction

Wiring


Operation on device


Application example

Connecting LOGO! inputs

Connect sensors to the inputs. Sensors may be: pushbuttons, switches, photoelectric barriers, etc. temperature, pressure or ultrasound sensors (Beros) etc., with 0...10V outputs directly at

the 4 analog inputs of the 12 and 24 V DC basic devices or the analog module AM2 or the appropriate device with current output 0...20mA/4...20mA to the inputs of the

analog module AM2 or connect up to 2 resistance thermometer PT100 to AM2 PT100 in 2 or 3 wire connection

technology

LOGO! 12/24 ...L+

ML+ I1 I2 I3 I4 I5 I8

M

The inputs of these devices are grouped into 2 blocks of 4 I each. Different phases are only possible between, not within the blocks.

LOGO! 230 ...

L1

N

NL1 I1 I2 I3 I4 I5 I6

L3L2

With 2-wire connections no correction of the impedance of the measurement line occurs. 3-wire connection suppresses this influence.

2-wire technology 3-wire technology

The inputs of these devices are non–isolated and therefore require the same reference potential (ground) as the power supply.

Wiring



Introduction

Wiring


Operation on device


Application example

Connecting LOGO! outputs

You can connect different loads to the outputs, e.g.: lights motors switches etc. ...

LOGO! with transistor outputs

LOGO! withrelay outputs

max. switched current per output is 0.3 A

DM8 24

Q5 M Q6 M

load load

Q1 M Q2 M

max. switched current per output is 10 A / for expansion modules 5 A

Q2Q1 1 21 2

Q51 2 Q61 2

DM8...R

loadloadN / M

L1 / L+

Wiring



Introduction

Wiring


Operation on device


Application example

Ground

Profile rail

Connecting LOGO! outputs

LOGO! with analog outputs

You can connect different devices to analog outputs, e.g.: frequency converter to control drives Output signals: *) 0-10V 0-20mA 4-20mA

Wiring

*) 6ED1 055-1MM00-0BA0: 0..10V6ED1 055-1MM00-0BA1: 0..10V and 0/4..20mA.



Introduction

Wiring


Operation on device


Application example

Connecting LOGO! TD text display

LOGO! ..0BA6 basic module

Connection interface for LOGO! TD Cable

unipolar power supply connector

12V DC, 24V AC/DCRecommended fuse: 0,5A

Function keys

Standard LOGO! keys

LOGO! TD Cable 2,5m,extendable to up to 10 meters with standard

Sub-D serial cable

Wiring



Introduction

Wiring


Operation on device


Application example

LOGO! reaction when switched on depends on:

whether a program is stored in the internal LOGO! memoryor whether a memory card (memory module) is connected

No program on memory card and no program in internal memory

Program on memory card or program in internal memory

Warning!If there is a program on the memory card, it is automaticallycopied to the internal LOGO! memory when switching on . Any program in the internal LOGO! memory is overwritten.

LOGO!

> Program..

Card..

Setup..

Start

LOGO!

No Program

Press ESC

s

s

Wiring



Introduction

Wiring


Operation on device


Application example

LOGO! reaction when switched on depends on:

Prior to power-off After power-on

In editing mode or menu in stop status

In RUN time

in which state LOGO! was prior to POWER–OFF

Prior to power-off After power-on

LOGO!

> Program..

Card..

Setup..

StartLOGO!

Q1

LOGO!

I :

0.. 123456789

1..0123456789

2..01234

LOGO!

I :

0.. 123456789

1..0123456789

2..01234

s

ss

s

Wiring



Introduction

Wiring


Operation on device


Application example

Connectors (CO)

I1 Q1I2 Q2I3 Q3I4 Q4I5 .I6 .I7 .I8 .. .. .I21 Q13I22 Q14I23 Q15I24 Q16

AI1AI2AI3..AI8M1..M8M25M26M27hilo

Inputs/outputsbasic/pure-variants

AnalogI/O

Signal status„1“„0“

I3-I6 up to 5 KHzswitching-frequency on DC powered options

CursorKeys

AQ1AQ2

AM1.AM6

CCCC

Flags/Analog flags

Initialization flag


Connectors

F1F2F3F4

LOGO! TD Function keys

Backlight flags

Character set flag



Introduction

Wiring


Operation on device


Application example

8 basicfunctions

Basic functions

AND AND (edge)

NAND NAND (edge)

OR NOR XOR NOT

The internalqualities

count




Introduction

Wiring


Operation on device


Application example

AND function

Output of the AND function is 1 only when all inputs are 1. If one input pin of this block is not connected, the status is automatically 1.

Logic table for AND block:

A look at the circuit diagram shows that the light H1 is only on when S1 and S2 and S3 are closed. Input and output states are dependent on each other.

The circuit to the right is called AND logic.

In words contact S1 and S2 and S3 have to be closed for the light to burn.

Symbol for this connection is .

Series circuit normally open

contact&S1S2

x

H1

AND

S3

S2

S3

H1

S1

Input 3 Output

0 0 0 00 0 1 00 1 0 00 1 1 01 0 0 01 0 1 01 1 0 01 1 1 1

Input 2Input 1




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Output of the OR function is 1, when at least one input is 1.If one input pin of this block is not connected, the status is automatically 0.

To turn the lamp H2 on, the contact S1 or S2 or S3 have to be closed. The dependence of output states from inputs states is called OR logic.

In words at least one of the contacts S1 or S2 or S3 have to be closed for the lamp H2 to light up.


OR function

Logic table for OR block:

Parallel circuit normally open contact

>S1

S2S3

H2

OR

x

S1 S2

H2

S3

Input 3 Output

0 0 0 00 0 1 10 1 0 10 1 1 11 0 0 11 0 1 11 1 0 11 1 1 1

Input 2Input 1




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AND with edge triggering

Output of AND with edge triggering is 1, only when all inputs are 1 and in the previous cycle at least one input was 0. If one input pin of this block is not connected, the status is automatically 1.

AND with edge triggering

S1

S2

S3

H2

S1

S2

H2

S3

Electro mechanical counter

5160

&S1

S2

x

H2S3




Introduction

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Application example

A look at the circuit diagram shows that the light H2 is not on, only when all contacts are switched. The circuit to the right is called NAND logic.

In words S1 and S2 and S3 have to be switched for the light H2 not to burn.


NAND (not-AND) function

Output of NAND is 0, only when all inputs are 1. If one input pin of this block is not connected, the status is automatically 1.

Logic table for NAND block:

Parallel circuit normally closed

contact

S1 S2 S3

H2

&S1S2S3

H2

NAND

x Input 3 Output

0 0 0 10 0 1 10 1 0 10 1 1 11 0 0 11 0 1 11 1 0 11 1 1 0

Input 2Input 1




Introduction

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Application example

NAND (not-AND) with edge triggering

S1

S2

S3

H2

Output of NAND with edge triggering is 1, only when at least one input is 0 and in the previous cycle all inputs were 1. If one input pin of this block is not connected, the status is automatically 1.

Electro mechanical counter

NAND with edge triggering

S1 S3 S3

H2

5160

&S1

S2

S3H2

x




Introduction

Wiring


Operation on device


Application example

A look at the circuit diagram shows that the light H1 is only on, when the normally closed contact S1 and S2 and S3 are not switched. The circuit to the right is called NOR logic. In words when S1 or S2 or S3 are switched, the light is not on.Symbol for this connection is .

NOR (not-OR) function

Output of NAND is 1, only when all inputs are 0. As soon as any input is switched (status 1), the output is switched off. If one input pin of this block is not connected, the status is automatically 0.

Series circuit normally closed

contact

Logic table for NOR block:

NOR

>1S1S2

S3H1

x

S1

S2

H1

S3

Input 3 Output

0 0 0 10 0 1 00 1 0 00 1 1 01 0 0 01 0 1 01 1 0 01 1 1 0

Input 2Input 1




Introduction

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Operation on device


Application example

XOR function

Output of XOR is 1, when inputs have different states. If one input pin of this block is not connected, the status is automatically 0.

XOR

A look at the circuit diagram shows that the light H1 is only on, when only one of either S1 or S2 is switched. This circuit is called XOR logic. In words when either contact S1 or contact S2 are switched, the light is on.Symbol for this connection is .

Logic table for XOR block:

Input 2 Output

0 0 0

0 1 1

1 0 1

1 1 0

Input 1

=1S1

S2H1

S1

S2

H1Integrated functions



Introduction

Wiring


Operation on device


Application example

NOT function

Output is 1, when the input is 0, i.e. NOT inverts the status at the input.The advantage of NOT is for instance: You will not need a normally closed contact any more for LOGO!. You can use a normally open contact and change it with NOT to a normally closed contact.If the input pin of this block is not connected, the status is automatically 1.

NOT

1S1 H1

A look at the circuit diagram shows that the light H1 is only on, when the switch S1 is not switched.

This circuit is called NOT logic. Symbol for this connection is .

Logic table for NOT block:

Output

0 1

1 0

Input 1

S1

H1

K1




Introduction

Wiring


Operation on device


Application example

Special functions - overview

31specialfunctions

On-delay On-/ Off-delay

Up/Downcounter

Random generator

Threshold trigger

Multiple functionswitch

Off-delay

Latching relay

Wiping relay(pulse output)

Yearlytimer

Hourscounter

Stairwaylighting switch

Retentive On-delay

Message text

Analog thresholdtrigger

Analog comparator

Softkey

Edge triggeredwiping relay

Weeklytimer

Shift register

Analog differentialtrigger

Analog watchdog

Analog amplifier

Pulse relay

Pulse generator

PI controllerRamp

AnalogMUX

Timer

Counter

Miscellaneous

Analog


Analog Math Error Detection

PWM

Analog Math



Introduction

Wiring


Operation on device


Application example

Timer – On-delay

Description of the function:

With 0 to 1 transition of input Trg the timer starts. If the status of input Trg is 1 for long enough, the output is set to 1 on expiration of the time T. The output follows the input with on delay. The output is reset to 0 when the status at input Trg is 0. If the status of input Trg changes to 0 before the time T has expired, the time is reset. The time elapsed is reset after a power failure.

A look at the circuit diagram shows that the motor only starts after expiry of the delay time.

This function is called On-delay.

In words the motor will be switch on with a programmed ON delay time.

Symbol for this function is .

S1

K1

K1

M

Diagram:

Trg

Q

Ta

T T

(Timer active)




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When the input Trg is 1, the output Q is switched instantaneously to 1. When the status of Trg changes from 1 to 0, the timer will be activated. The output remains set. When the timer reaches the configured value (Ta=T), output Q is reset to 0. When input Trg is switched on and off again, the time Ta restarts. Input R (Reset) is used to reset the time Ta and the output before Ta has expired.

Timer – Off-delay

A look at the circuit diagram shows that the motor only stops after expiry of the delay time.

This function is called Off-delay.

In words the motor will be switch off with a programmed OFF delay time.


S1

K1

K1

M

(Timer active)

Trg

Q

Ta T

R

T

Diagram:Integrated functions



Introduction

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Operation on device


Application example

Timer – On-/Off-delay

A look at the circuit diagram shows that: when S1 is closed, contact K1 closes with a delay

time and the motor runs. when S1 is opened, contact K2 opens with a delay

time and the motor stops.

This function is called On-/Off-delay. In words the motor is switched on and off with a programmed delay time. Symbol for this function is .


The time TH starts after a 0 to 1 transition at input Trg. If the status at input Trg is 1 for the duration of the time TH, the output is set to 1 on expiration of the time TH.(the output follows the input on delayed). When the status at input returns to 0, TL starts. If the status at input Trg is 0 for the duration of time TL, the output is set to 0 on expiration of the time TL.

Trg

TL

Q

TH

Diagram:

K1

S1 K1

MK2

K2




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Application example

Timer – Retentive On-delay


The current time Ta starts with a 0 to 1 transition at input Trg. Output Q is set to 1 when Ta reaches the time T. The output Q is only reset to 0 when the status at input R is 1. Further switching actions at input Trg have no influence on output Q.

A look at the circuit diagram shows that the motor M starts delayed after pressing the pushbutton S1. Pushbutton S2 (n.c. contact) stops the motor again.

This function is called retentive On-delay.


S2

K1

K2

M

S1 K1 K1

K2

Trg

R

Ta

Q

T

Diagram:




Introduction

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Operation on device


Application example

Timer – Wiping relay (pulse output)

A look at the circuit diagram shows that the light H1 is only on, when the switch S1 is closed, but only as long as the set time at timer T1.


T1

S1

H1

T1


When the input Trg is set to 1, the output Q is immediately switched to 1. The current time Ta starts in LOGO! at the same time and the output remains set. When Ta reaches the value specified in T (Ta=T), the status of output Q is reset to 0 (pulse output). On input Trg transition from 1 to 0 before the specified time has expired, the output follows immediately with a 1 to 0 transition.

Trg

Ta

Q

Diagram:




Introduction

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Operation on device


Application example

Timer – Edge triggered wiping relay

T1

S1

H1

T1

T1


The output status is switched to 1 after the input Trg is set to 1. Time Ta is started at the same time. After Ta has reached the value specified in T (Ta=T) the output Q status is reset to 0 (pulse output). If input Trg changes again from 0 to 1 (retriggering) before the specified time has expired, the time Ta is reset and theoutput remains switched on.

Trg

Ta

Q

T T

Diagram:

A look at the circuit diagram shows that the light H1 remains on for the time specified on the timer T1 when the switch S1 is closed.





Introduction

Wiring


Operation on device


Application example

Timer – Weekly timer

The output is controlled via a specified on–/ off–date. The function supports any combination of weekdays. You select the active weekdays by deselecting the inactive days.

Wednesday

Monday


Every weekly timer has three cams. You can configure a time hysteresis for each cam. Within the cam setting you specify the on/off times.

If you enable “pulse output”, the timer will be reset after one cycle. “Pulse output” applies to all three cams.

MonTueWedThursFri Sa So On Off

07

:

30 16 05Cam 1

08

:

00 12 00Cam 2

10

:

00 12 30Cam 3




Introduction

Wiring


Operation on device


Application example

Timer – Yearly timer


Every yearly timer has an on- and off-timer. At the specified on-time the yearly timer switches on the output. At the specified off–time the yearly timer switches off the output. The off–date specifies the day/year on which the output is reset to 0 again.

By selecting the option field “Monthly”, the timer switches on or off at a specified day each month. “Yearly”, the timer switches on or off each year at a specified month and day. “Pulse Output”, the timer output switches on at the specified On Time for one cycle. Then it is reset.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

On 05.10 Off 10.20

15.05.200515.05.2005 08.11.2005 08.11.2005




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Timer – Asynchronous pulse generator

The pulse profile of the output can be customized via pulse/ pause ratio.



In the parameters you can adjust the pulse period and the pause width. With input INV you can also invert the output. You can customized the time period in seconds, minutes or hours. The time basis of both parameters can be set independently. The input block INV only negates the output if it is enabled via EN.

Diagram:

En

Q

pulse period / pause width

Inv




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Application example

Timer – Random generator


With a 0 to 1 transition of the input En a random time e.g. between 0 and 10 seconds is started. The output is set to 1 on expiration of the on delay time, if the input En is 1 at least for the duration of the on delay time. The time is reset if the status at input En returns to 0 before the on delay time has expired. When the input En changes from 1 to 0, a random off delay time between 0 and e.g. 15 seconds is started. The time is reset if the status at input En returns to 1 before the on delay time has expired.

With a random generator the output is switched on and off again within a specified time.


En

Q

max. ON delay / max. OFF delay

Q




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Application example

Timer – Stairway lighting switch

The input pulse (edge control) starts a specified time. The output is reset on expiration of this time. Prior to the expiration of this time (e.g. 15 s) an off pre–warning is generated.



With a 0 to 1 transition at input Trg, the current time starts and the output Q is set to 1. E.g. 15 s before Ta reaches the time T, the output Q is reset to 0 for a time of 1 s (configurable time). When Ta reaches the time T, the output Q is reset to 0. When input Trg is switched on and off again before Ta expires, Ta is reset (retriggering option).

Ta

Trg

Q

T (OFF delay)

1s

15s

Diagram:




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Switch with two different functions: Pulse switch with off delay Switch (continuous lighting)


Timer – Multiple function switch


The output Q is set to 1 with a 0 to 1 transition of the status at input Trg. When the input Trg changes to 0 before expiration of the continuous lighting time, the output resets to 0 with an off delay of e.g. 5 seconds. With a 0 to 1 transition of the status at input Trg and if the status ’1’ is set at least for the duration of e.g. 20 seconds, the continuous lighting function is enabled and the output Q isswitched on continuously. If the input Trg is switched once again from 0 to 1 and again to 0, the output Q is switched off.

Q

Trg

5s >20s




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Counter – Up and Down counter

A look at the circuit diagram shows that the switch S1 triggers the counter pulses. Switch S2 determines whether the counter increases or decreases. When the counter status reaches a value >= 5, the light switches on.


With every positive edge at input Cnt the internal counter increments (Dir = 0) or decrements (Dir = 1) by one count. Output Q is set to 1 when the internal value is greater than or equal to the value specified in Par. You can use reset input R to reset the output and the internal count value to the start value. When R=1, the output is 0 and the pulses at input Cnt are not counted.

If you set a “Start Value” the counter begins to count either up or down from this value.

C1

S1

S2

+-

>=5

H1

Diagram:

Q

Cnt

Dir

R

12

34

56

54

32

34

56

01

23

Counter




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Counter – Hours counter


The hours counter monitors the input En. As long as the status of this input is 1, LOGO! determines the expired time OT and the time–to–go MN. LOGO! displays the times in parameter assignment mode. Output Q is set to 1 when the time–to–go MN = 0. Use input R to reset output Q and time–to–go counter to the specified value MI. The internal counter OT continues the count. Use input Ral to reset output Q and the time–to–go counter MN to the specified value MI. The internal counter OT is reset to 0.

12

34

32

10

MN = MI

MN = 0

Q

Ral

En

32

10

R

OT




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Counter – Threshold trigger

The output is switched on and off, depending on two specified frequencies.



The threshold trigger measures the signals at input Fre. The pulses are captured across a specified period (gate time).Output Q is switched on, if the value measured within the gate time is higher than the ON threshold. Q is switched off again when the threshold drops below OFF.

On : is the ON threshold. It may be between 0000 and 9999.

Off : is the OFF threshold. It may be between 0000 and 9999.

Gate time: is the time interval during which the pulses at Fre are measured. It may be 00.05s and 99.99s.

Diagram:

Fre

Q

gate time

Fre > On Fre > Off Fre < Off Fre < On

Fre =12 Fre = 5 Fre = 3 Fre = 5

On = 10 Off = 4




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Analog – Analog threshold trigger


The output is switched on when the analog value exceeds a specified on threshold. The output is switched off when the analog value drops below a specified off threshold (hysteresis).This function reads the analog value AI1 to AI8 as a value between 0 and 1000. The offset parameter is then added to the analog value. The result is multiplied by the gain parameter. Output Q is set to 1 if this value exceeds the on threshold (On). Q is reset to 0 again after the value drops below the off threshold (Off).

Diagram:




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Analog – Analog comparator


The function calculates the difference between the analog values Ax-Ay. The offset parameter is added to the difference. Then the difference is multiplied by the gain parameter. If this differential value exceeds the parameterized threshold, output Q is set to 1. Q is reset to 0, when the threshold drops below again.

Diagram:




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Analog – Analog differential trigger


The function reads the analog value of the signal at analog input Ax. This value is multiplied by the gain parameter. The offset parameter is added to the analog value. Output Q is set or reset depending on the specified threshold (On) and the differential value ( ).

Diagram:Timing diagram A: Function with negative differential delta value

Timing diagram B: Function with positive differential delta value




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Analog – Analog watchdog


If the status at input En changes from 0 to 1, then the analog value of the signal at analog input Ax will be saved. This saved value is called “Aen”. The updated values Ax and Aen are each multiplied by the gain parameter. Then the offset parameter is added to the analog value. Output Q is set, if the input En is 1 and the updated value at the input Ax is outside of the range of Aen +/- .

Threshold 1 defines the difference value above Aen, Threshold 2 defines the difference value below Aen.

Diagram:


1

2



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Analog – Analog amplifier


The function reads the analog value of the signal at analog input Ax. This value is multiplied by the gain parameter. Then the offset parameter is added to the analog value, i.e. (Ax * gain) + offset = updated value Ax. Output AQ shows the updated value Ax.Integrated

functions



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Analog – PI controller


If the input A/M is set to 0, then the special function sets output AQ with the value that is set with parameter Mq. If the input A/M is set to 1, then automatic mode commences. As an integral sum the value Mq is adopted, the controller function begins the calculations of the formulas. The updated value PV is used within the formulas. Updated value PV = (PV * gain) + offsetIf the updated value PV = SP, then the function does not change the value of AQ. With a disturbance, AQ continues to increase / decrease until the updated value PV again corresponds to SP. The speed with which AQ changes depends on the parameters KC and TI. If the input PV exceeds the parameter Max, then the updated value PV is set to the value of Max. If the PV falls short of the parameter Min, then the updated value PV is set to the value of Min. If the input R is set to 1, then the AQ output is reset. As long as R is set, the input A/M is disabled. The sampling time is fixed at 500 ms.




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Parameter:

Sensor: Type of sensor usedMin: Minimum value for PVMax: Maximum value for PVGain: Gain for PVOffset: Zero offset for PVSP: Set point assignmentMq: Value of AQ in manual mode Parameter sets: applied presets for KC, TI and DirKC: GainTI: Integral timeDir: Action direction of the controller Number of decimal places in message text




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Parameter sets:

To simplify the use of the PI controller, parameters for KC, TI and Dir are preset as sets for the following applications:

Parameters can manually be specified via the parameter set “User defined”.

Parameter Set ApplicationsParameter

KCParameter

TI (s)Parameter Dir

Temperaturefast

Temperature, low temperature control for small rooms; small volumes

0.5 30 +

Temperatureslow

Heater, ventilation, temperature, low temperature control for large rooms, large volumes

1.0 120 +

Pressure 1Fast pressure change,

compressor control3.0 5 +

Pressure 2

Slow pressure change,

Differential pressure control

(flow control)

1.2 12 +

Filling level 1Barrel, container filling without downpipe/ drain

1.0 1 +

Filling level 2Barrel, container filling with downpipe/ drain

0.7 20 +




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Analog – Ramp


At the analog output, this special function starts up one of two levels or offset. Here you can set how quickly the level should be reached. If the input En is set, then the function issues the value StSp + offset at output AQ for the first 100 ms.Then, depending on the connection of Sel, the function runs from value StSp + offset to either level 1 or level 2 at the acceleration set in Rate.If the input St is set, the function runs to the value StSp + offset at the acceleration set in Rate. Then the function issues the value StSp + offset at output AQ for 100 ms. Finally offset is issued at output AQ.If the input St is set, the function can only be restarted once the inputs St and En have been reset. If input Sel has been changed, depending on the connection of Sel, the function runs from level 1 to level 2 or the other way round. If the input En is reset, the function immediately issues offset at output AQ. The analog value at the output is recalculated every 100 ms.




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Analog - Ramp

Parameter:

Gain: Gain for AQ in message textOffset: Zero offset for AQ in message textL1 and L2: Levels to be reached Largest output value: Maximum value that must not be exceeded under any circumstances Start/ stop offset: value that is issued for 100ms in addition to parameter offset after starting the function and before reaching the offset value (prompted by input St). This parameter is intended for controlling motors.Speed of change: Acceleration with which level 1, level 2 or offset is reached. Steps/ second are input.Number of decimal places in message text




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Wiring


Operation on device


Application example

Analog - Ramp

Diagram:




Introduction

Wiring


Operation on device


Application example

Analog – Analog MUX


This special function outputs one of four predefined analog values or 0 at the analog output. If input En is set, then the function issues one of 4 possible analog values V1 to V4 at output AQ, depending on the value of S1 and S2. If the input En is not set, then the function issues the analog value 0 at output AQ. All 4 analog values V1 to V4 can be parameterized as a reference to another analog function, so the analog values can be dynamically changed in runtime (e.g. via potentiometer at an analog input).Integrated

functions



Introduction

Wiring


Operation on device


Application example

Analog – Pulse Width Modulator (PWM)


The PWM function modulates the analog input value Ax into a pulsed digital output signal. The pulse width is proportional to the analog value Ax.

The function reads the value of the signal at the analog input Ax. This value is multiplied by the value of parameter A (gain). Parameter B (offset) is added to the product, as follows:(Ax * Gain) + Offset = Actual value AxThe function block calculates the proportion of the value Ax to the range. The block sets the digital output Q high for the same proportion of the PT (periodic time) parameter, and sets Q low for the remainder of the time period.




Introduction

Wiring


Operation on device


Application example

Analog – Pulse Width Modulator (PWM)

Example 1:

Periodic time (PT) = 4 sec.Ax = 500

1) 500 / (1000-0) = 0,52) 4 sec. * 0,5 = 2 sec.

Q = 2 sec. high , 2 sec. low

Example 2:

Periodic time (PT) = 10 sec.Ax = 300

1) 300 / (1000-0) = 0,32) 10 sec. * 0,3 = 3 sec.

Q = 3 sec. high , 7 sec. low

Calculation rule :

Q = 1, for Ax / (Max - Min) of time period PT

Q = 0, for PT - [Ax / (Max - Min)] of time period PT Note: Ax in this calculation refers to the actual value Ax as calculated using the Gain and Offset. Min and Max refer to the minimum and maximum values specifed for the range.




Introduction

Wiring


Operation on device


Application example

Analog - Analog Math


The function combines four values and three operators to form an equation. The operator can be any one of the four standard operators:+ , - , x , /

For each operator, you must set a unique priority of High ("H"), Medium ("M"), or Low ("L").The high operation will be performed first, followed by the medium operation and the low operation. The operand values can reference another previously-defined function to provide the value.

You can also configure the behavior of the function when the Enable parameter "En"=0.The function block can either retain its last value or be set to 0.

The result is an internal analog value (-32768 - +32767). A result out of this range causes an overflow-error.

Operator / Priority Value 1

Value 2

Value 3

Value 4




Introduction

Wiring


Operation on device


Application example

Analog - Analog Math


Examples:



Introduction

Wiring


Operation on device


Application example

Miscellaneous - Analog Math Error Detection


The analog math error detection block sets the output when the referenced analog math function block has an error. You can program the function to set the output on a zero division error, an overflow error, or when either type of error occurs.

If you select the “Automatically reset” checkbox, the output is reset prior to the next execution of the function block. If not, the output retains its state until the analog math error detection block is reset with the R parameter.




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Latching relay

A look at the circuit diagram shows that the coil K1 has current with the pushbutton S1. The switch K1 closes (latch).

This function is called latching relay.

Symbol for this connection is .S2

K1 M

S1 K1 K1

K2


Input S sets output Q, input R resets output Q again.

S

R

Q

Diagram:




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Pulse relay


Output Q changes its status, i.e. the output is set or reset, with each 0 to 1 transition at input Trg. You reset the pulse relay to 0 with a signal at input R.

A look at the circuit diagram shows that the light H1 is switched on and off with the pushbuttons S1 or S2.

This function is called pulse relay.

In words a short pulse at S1 or S2 switches the light H1 on and off.

Symbol for this connection is .K1

S1 K1S2

H1

Trg

R

Q

Diagram:




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message text

Features:

Only one programming tool for basic module and LOGO! TD

Selection / enabling of different character sets

Up to 24/32 characters per line (depending on selected character set)

Ticker text

Selection of message destination

Bar graph functionality

Display state of analog input values

Digital I/O states

Display of remaining time of all timers (except weekly/yearly timer)




Introduction

Wiring


Operation on device


Application example

Display of a configured message text in run mode.


Miscellaneous – Message text


With a 0 to 1 transition of the input signal and when the system is in RUN, the corresponding message text is output to the display. The message text is hidden when the status of the signal at input changes from 1 to 0. When multiple message text functions are triggered with En=1, the message text that has the highest priority is shown. Changing between the standard display and the message texts display is possible by using the keys and . If “acknowledge message” is chosen, the respective message text will be hidden by pressing any key on LOGO!, if En=0.

LOGOOK

1234

Motor on

ESC

I :0.. 1234567891..01234567892..01234

Alarm!Current Temp 97 °C

s




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textSelection/enabling of character sets

LOGO! ..0BA6 supports several languages.

To ensure, that all characters of a language used in a message text can be displayed correctly, it is necessary to activate an accordant character set.

ISO_8859_1German, English, Italian, Spanish (partly), Dutch (partly)

ISO_8859_5 Russian

ISO_8859_9 Turkish

ISO_8859_16 French

GBK Chinese

SJIS *) Japanese (partly)

6 character sets are available *)

To be able to use all features of the message text function in LOGO! ..0BA6, “Use new feature” must be enabled (File -> Message text settings).


*) since E-Stand 3 (ES3)



Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textSelection/enabling of character sets

In the same message text 2 different character sets can be selected.

By using the Flag M27 character set 1 or character set 2 gets activated.


Character set 1(e.g. ISO_8859_1)

Character set 2 (e.g. GBK)



Introduction

Wiring


Operation on device


Application example

Character by character …(one character after another tickers through the display)

… or Line by line.(the display alternates between the 1st half and the

2nd half of the message text)

1st half 2nd half

Miscellaneous – Message textSettings for the ticker text


For the LOGO! on-board display and for LOGO! TD ticker text can be used.

You can ticker the text in 2 ways: Character by character or Line by line

In the function block message text you can choose “Character by character” or “Line by line” and enable one or more lines which shall be tickered.



Introduction

Wiring


Operation on device


Application example

The ticker speed can be adjusted via the menu item File -> Message Text Settings -> Ticker Timer Setting .You can set the speed for “Character by character” in milliseconds. This time has also effect to the time for “Line by line” (Character by character x10).

Miscellaneous – Message textSettings for the ticker text


“Message destination” is another properties parameter in the function block message text:

Here you can decide, on which device the message text shall appear: LOGO! on-board display LOGO! TD Both displays



Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textInserting bar graphs

Step 1: Click at „Insert a bar graph into the message“

Step 2: Select a function block which is already placed in the circuit diagram to indicate its value.

Step 3: Scale the bar graph by defining the range of the value, bar graph size and its direction on the display.

The vertical adjustment of the bar graph is from the bottom

to the top !


Example 1:



Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textInserting bar graphs

The horizontal adjustment of the bar graph is from left to right !

Example 2:

The analog value of a temperature sensor (PT100) is to be indicated over its entire measuring range as bar graph horizontally in the message text.




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textStatus indication of the analog input values

2 analog input values (AI) can be displayed in one message text if they are used in the circuit diagram.

The value is updated according to the “analog input filter timer”.Integrated

functions



Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textAnalog input filter timer

If an analog input value is indicated in a message text, via the menu item File -> Message Text Settings can be defined, how often LOGO! refreshes the analog values in a message text.




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textStatus indication of the digital inputs/outputs

Step 1:

Place 1 input, 1 output and an enabled message text in your circuit diagram.

Step 2:

Open message text with a double click, define area for the status indication of “I1” with a mouse click and select “ON/OFF” button.

Example:Integrated functions

You can assign names such as "On" or "Off" to the two states of a digital input or output. With the LOGO! 0BA6 series, you can display this name of a digital I/O state in a message text.



Introduction

Wiring


Operation on device


Application example


Step 3:

Select “Digital Inputs”

Step 4:

Automatically the first input “I1” is selected.Type in a text you want to display for both states of “I1”.




Introduction

Wiring


Operation on device


Application example


Step 5:

Do the same for “Digital Outputs” and display the state of “Q1”.

Now try out the program in simulation mode!




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Message textStatic editor (Edit manually)

LOGO! Soft Comfort V6.1 provides a static editor for message texts that can help when you need to reposition text elements.

For example, it has a “recycle bin” area where you can temporarily move message text elements in order to rearrange the position of elements on the display area. You can move elements up, down, left, or right without changing the position of any other elements.

To use the static editor, click the "Edit manually" button. You will also be prompted to edit manually if you try to place or move elements in the message area that have a position conflict with existing elements.




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Softkey

Diagram:Description of the function:

This special function has the effect of a mechanical pushbutton or switch. In parameter assignment mode, the output is set with a signal at input En, if the ’’Switch” parameter is set to “On” and confirmed with OK. Whether the function was configured for pushbutton or switching action is of no concern here. The output is reset to “0” in the following three cases:

After a 0 to 1 transition at input En. When the function was configured for

momentary pushbutton action, and one cycle has expired since it was switched on.

When the position “Off” was selected at the “Switch” parameter and confirmed with OK in parameter assignment mode.




Introduction

Wiring


Operation on device


Application example

Miscellaneous – Shift register


The function reads the value at input In with a positive edge at input Trg. This value is applied to shift register bit S1 to S8, depending on the shifting direction:

Shift up: The value at input In is set at S1; the previous value at S1 is shifted to S2; the previous value at S2 is shifted to S3 etc.

Output Q returns the value of the configured shift register bit. If retentivity is disabled, the shift function restarts at S1 to S8 after a power failure. When enabled, retentivity always applies to all shift register bits.

Diagram:

Shift up

Shift down

S4 = Q (example)




Introduction

Wiring


Operation on device


Application example

Operation on device

Connect LOGO! to the power supply and switch it on. The display now shows you this message.

Press to get to the main menu.

Have you designed a circuit? Do you want to enter it into LOGO! ? How do you do this?

LOGO!

No Program

Press ESC

OKESC

s

LOGO!

> Program..

Card..

Setup..

Start OKESC

s

Operation on device

ESC



Introduction

Wiring


Operation on device


Application example

> Program..

Card..

Setup..

Start OKESC

s

LOGO!

> Edit..

Clear Prg

Password

Msg Config OKESC

s

Main menu / programming menu

Here you can also move the ”>” cursor by pressing .

Move the ”>” cursor to ”Edit..” and confirm with .In the next sub-menu please chose “Edit Prg.” You are now in programming menu.

OK

Press to select all output, marker and open connectors.

The following applies when you edit a circuit: ....

The first character in the first line is the ”>” cursor. Press to move the ”>” cursor up and down.

Move it to “Program..” and confirm with .

LOGO! opens the programming menu.

OK

LOGO!

> Edit Prg

Edit Name

AQ

Memory? OKESC

s

LOGO!

LOGO!OKESC

B1 Q1

s

Operation on device



Introduction

Wiring


Operation on device


Application example

LOGO! - rules for operation

I

I1

Q

Q1

Q

Q1

&

B001

Q

Q2

&

B002

1. You have to create your circuit by working from the output to the input.

2. You can connect an output to several inputs.

3. You can’t connect an output to an upstream input within the same path (recursion).

B002

>

&

B002

Operation on device



Introduction

Wiring


Operation on device


Application example

4. You can move the cursor with if it appears in the form of an underscore ( _ ) :


Q1B01Q1B01Q1

B02B01

I1

x

&

Q1

B02B01

I1

x

&

B01

B02

I3

1

xx

Operation on device



Introduction

Wiring


Operation on device


Application example


Confirm with . Press to return to the

previous step.

OK

ESC

OKQ1GF

Q1SF

Q1Co

>1

Q1

B1

&

5. When the cursor appears as a solid square ( ), press with to select a connector (Co), a basic function (GF) or a special function:

OKOKOK

In1In2In3In4

Q1

B1

&In1In2In3In4

Q1

B1In1In2In3In4

Q1

B1

&In1In2In3In4

Q1

B1

&CoIn2In3In4

Q1

B1

&I1

In2In3In4

Q1

B1

&I2

In2In3In4

Operation on device



Introduction

Wiring


Operation on device


Application example

LOGO! interprets the parallel circuit of S1 and S2 as an ’OR’ logic, because S1 or S2 switches on the output.

Your first LOGO! program

The load is switched on with S1 or S2.

Let us now take a look at the following parallel circuit consisting of two switches.

>1I1I2

X

Q1

Solution with LOGO!

X

S1 S2

K1

K1

E1

Circuit diagram

• • •

•

• •

Operation on device



Introduction

Wiring


Operation on device


Application example

Wiring

S1 switches input I1, while S2 switches input I2. The load (E1) isconnected to the relay Q1.

Let us now input the program (starting at the output and working towards the input). LOGO! initially shows the output Q1. You will see an underscore ( _ ) below the Q in Q1. It is called a cursor. The cursor indicates your current position in the program.

•

L1

N

S1

LOGO! 230RCOK

Q1

I1 I2 I3 I4 I5 I6L1 N

Q1 Q2 Q3 Q4

S2

L1

N

I7 I8

• •

ESC

•

E1

Operation on device s



Introduction

Wiring


Operation on device


Application example

Program input

Now press the key . The cursor moves to the left.

The cursor indicates your current position in the program. At this point you only enter the first block (the OR block). Press to select editing mode.

The cursor is displayed as a solid square ( ):

Selected between the following by pressing : Connector (Co) Basic function (GF) Special function (SF)

OK

LOGO!OKESC

Q1

LOGO!OKESC

Q1

LOGO!OKESC

Co Q1

Operation on device

s

s

s



Introduction

Wiring


Operation on device


Application example

Select with (GF) the basic functions and confirm with .

Program input

The AND is the first block of the basic functions (GF) list.

You can choose between the following by pressing : AND AND (edge) NAND NAND (edge) OR NOR XOR NOTSelect the OR block ( >1 ) and confirm with .

OK

OK

Operation on device

LOGO!OKESC

GF Q1

s

LOGO!OKESC

Q1

B1

>1In1In2In3In4

s

LOGO!OKESC

Q1

B1

>1In1In2In3In4

s



Introduction

Wiring


Operation on device


Application example

Program input

You have now entered the first block. Each new block is automatically assigned a block number (B1). Now you interconnect the block inputs (B1).

Press .

The cursor is displayed as a solid square ( ):

You can choose between the following by pressing : Connector (Co) Basic functions (GF) Special functions (SF)

Please select Connector (Co) and confirm with .The first element of the list (Co) is input I1 Confirm with . The underscore cursor automatically jumps to the next input (In2) that needs to be allocated.

.

OK

OK

OK

Operation on device

LOGO!OKESC

Q1

B1

>1CoIn2In3In4

s

LOGO!OKESC

Q1

B1

>1I1In2In3In4

s

LOGO!OKESC

Q1

B1

>1I1In2In3In4

s



Introduction

Wiring


Operation on device


Application example

Program input

Now you connect input I2 to the input of the OR block. You already know how to do this:

1. Switch to editing mode: Press2. To select the Co list: Press3. To confirm the Co list: Press4. To select I2: Press5. To apply I2: Press

We do not need the last two inputs of the OR block for this program. In the LOGO! program you mark the unused inputs with an ’X’. The process is the same:1. Switch in editing mode: Press2. To select the Co list: Press3. To accept the Co list: Press4. To select X: Press5. To apply X: Press

OK

OK

OK

LOGO!OKESC

Q1

B1

>1I1I2XX

OK

OK

OK

LOGO!OKESC

Q1

B1

>1I1CoIn3In4

s

LOGO!OKESC

Q1

B1

>1I1I2

In3In4

s

s

Operation on device



Introduction

Wiring


Operation on device


Application example

Program start

Now all block inputs are connected. For LOGO! the program is complete.

You can review your first program by pressing the cursor with the 4 arrow keys ( _ ) and moving through the program.

We now exit program input mode and return to the programming menu with . The program is automatically saved in the internal memory (E2PROM).

To start the program, return to the main menu with .

Move the cursor to “Start”: Press . To confirm press .

ESC

ESC

OK

LOGO!OKESC

Q1

B1

>1I1I2XX

LOGO!

LOGO!

> Edit Prg

Edit Name

AQ

Memory? OKESC

> Edit..

Clear Prg

Password

Msg Config OKESC

LOGO!

Program..

Card..

Setup..

> Start OKESC

s

Operation on device

s

s

s



Introduction

Wiring


Operation on device


Application example

LOGO! in RUN mode

In RUN mode LOGO! shows the following display:

11

11

Let us have a look at our example:

When switch S1 is closed, input I1 is supplied with voltage and the status at input I1 is “1”. LOGO! program calculates the status for the outputs. Output Q1 is “1”, in this case. When Q1 is “1”, LOGO! sets relay Q1, and the load connected to Q1 is supplied with voltage.

The window to the left displays time and date.

The window in the middle displays the inputs states (I1 to I9; I10 to I19; I20 to I24).

The window to the right displays outputs states (Q1 to Q9; Q10 to Q16).

Also the internal values of all analog inputs/outputs can be displayed.

Status of inputs Input I status is „1“ Input I status is „0“

Status of outputs Output Q status is „1“ Output Q status is „0“Operation on

device

L1

S1=1

S2=0

I : 0.. 234567891.. 01234567892.. 01234

N

Q1

=1

Tu 09:14

2009-09-22

Q :0.. 234567891..0123456

1 1

• • •

•

AI :



Introduction

Wiring


Operation on device


Application example

LOGO! parameterization mode

Parameterization of functions:

When speaking of parameterization, we refer to theconfiguration of functions.You can configure the parameters in programming mode

or in parameter assignment mode

You can configure: the delay times of timer functions the switching times of timer switch counter thresholds the monitoring interval for a hour counter on and off threshold for a trigger threshold and some other functions

To get to configuration mode press in RUN mode, set the cursor to Set Param and confirm with .

ESC

OK

Operation on device

LOGO! 12/24 RC

LOGO!

OKESC

I :

0.. 123456789

1..0123456789

2..01234

s

LOGO! 12/24 RC

LOGO!

OKESC

Stop

Set Param

Set..

Prg Name

>

s



Introduction

Wiring


Operation on device


Application example


Block selection:

Choose In parameterization mode the desired block with .

If the desired block is chosen, press . The cursor jumps to the first parameter that can be modified. The value can be changed pressing the arrow keys .

If the desired value is configured, then press .The next blocks requiring modification, can be chosen with etc..

OK

OK

Operation on device

LOGO!

B2

T =10:00s

Ta =00:00OKESC

s

B2

T =15:00s

Ta =00:00

OKESCLOGO!

s

B2

T =15:00s

Ta =00:00

OKESC

LOGO!

s



Introduction

Wiring


Operation on device


Application example

To return to RUN mode press .


To return to menu press .ESC

ESC

LOGO!

LOGO!

LOGO!

B2

T =10:00s

Ta =00:00OKESC

> Stop

Set Param

Set..

Prg Name OKESCLOGO!

Operation on device

s

s

I : 0.. 1234567891..01234567892..01234

OKESC

LOGO!

s



Introduction

Wiring


Operation on device


Application example

LOGO! ..0BA6 – setting the menu language

You can select the menu language via the LOGO! menu and acknowledge with(LOGO! must be in Stop-mode).

Available languages:

EN – English IT – Italian NL – Dutch ES – Spanish FR – French CN – Chinese DE – German TR – Turkish RU – Russian JP – Japanese *)

LOGO!

Clock..

LCD..

> Menu Lang

BM AI NUM

s

OKESC

LOGO!

Program..

Card..

> Setup..

Start

s

OKESC

Operation on device

This setting can be separately done for LOGO! TD .

LOGO!

s

OKESC

> EN

OK

*) since E-Stand 3 (ES3)



Introduction

Wiring


Operation on device


Application example

LOGO! ..0BA6 – backlight function

Backlight function for the basic module:

To activate the backlight of the LOGO! display permanently, follow these steps.

You can select between: Default (Backlight is ON for 20 sec. or controlled by user program) Always On

LOGO!

> Default

s

OKESC

LOGO!

Contrast

> BackLight

s

OKESC

LOGO!

Clock..

> LCD..

Menu Lang

BM AI NUM

s

OKESC

LOGO!

Program..

Card..

> Setup..

Start

s

OKESC

Operation on device

This setting can be separately done for LOGO! TD .



Introduction

Wiring


Operation on device


Application example

LOGO! TD parameterization mode

In the menu of LOGO! TD nearly the same menu items are available as in the menu of LOGO! basic module - except the possibility to edit the program.

Operation on device

> Stop Set Param Msg Config Set..

The following table shows on which device which menu items are available …

Menu item LOGO! Basic module LOGO! TD

In STOP mode

Program.. √ -

Card.. √ -

Setup.. √ √

LCD Contrast / Backlight √ √

Menu language √ √

2 or 4 AI used on basic module √ -

Start / Stop √ √ *)

In RUN mode

Set Param √ √

Msg Config (e.g. Tick Time) - √

*) Since E-Stand 4 (ES4) of LOGO! and LOGO! TD, switching into stop mode can be protected by password.



Introduction

Wiring


Operation on device


Application example

LOGO! program creation on a PC with LOGO! Soft Comfort V6.1

Support for LOGO! TD No separate software necessary

Modem wizard for standard 11-bit analog modems

Windows Look and Feel e.g. context menu, toolbar

Create the control programs by „drag and drop“ Control programs „drawing“ –

directly on a PC in FBD or LAD

Testing of control programs Offline simulation with status for each function

(color change) and forcing Online test in FBD and LAD with color change

for each function and 30 actual values

Professional print and documentation functions

Device selection 0BA0, 0BA1, 0BA2, 0BA3, 0BA4, 0BA5, 0BA6

with function check

Additionally on the CD ROM: Manual and 28 complete, usable examples




Introduction

Wiring


Operation on device


Application example

Installing LOGO! Soft Comfort V6.1

1. Insert CD (LOGO! Soft Comfort V6.1) in CD-ROM drive2. Display CD content with help of Explorer3. Double click on start.html

2.


3.



Introduction

Wiring


Operation on device


Application example



Start.html functions Direct choice of 10 languages Software installation Direct start of software from CD-ROM Display manuals on CD-ROM Display online help Choice of example programs on CD-ROM Choice of CAD drawings on CD-ROM Installation of necessary tools such as

Acrobat Reader or printer drivers



Introduction

Wiring


Operation on device


Application example



The USB cable driver for the LOGO! USB programming cable is also included on the CD-ROM. During the installation process of LSC V6.1 you will be asked if you want to install the driver.

HINT: Follow the correct order !1. Install the driver (administrator privileges are required!)2. Then connect the LOGO! USB programming cable with your PC



Introduction

Wiring


Operation on device


Application example

LOGO! Soft Comfort V6.1 : Overview

Title bar

Menu bar

Symbol bar for program installation

Switch to selecting mode

Text fields for additional commentsFor a better overviewseparation of connections

Drawing of connection lines

Display connectors (Co)

Display basic functions (GF)

Display special functions (SF)

Offline simulation

Standard Windows PC -> LOGO! LOGO! -> PC!

Control program generation in the overview control plan via drag & drop

Online test

Tree structure for fast choice of all generation elements




Introduction

Wiring


Operation on device


Application example

Help functions – online help

With a mouse click on the desired topic you get detailed information about the corresponding functional group.

The general help can be activated via the menu item Help -> Content. You can find further information sorted by functional groups in the contents.




Introduction

Wiring


Operation on device


Application example

Help functions – direct help

Direct help can be selected via the context menu (right mouse key) of each function.




Introduction

Wiring


Operation on device


Application example

Help functions – direct help

The direct help will also be activated via the menu item Help -> Context-sensitive Help. Via mouse pointer you can now select objects, you would like to have help text with.




Introduction

Wiring


Operation on device


Application example

Help functions – Update Center

You can install program expansions, service packs and additional languages via the menu item Help -> Update Center.




Introduction

Wiring


Operation on device


Application example

Typical tasks for LOGO!

Cistern control

When the water level drops below the level (I1), the drinking water supply (Q1) shall automatically be switched on. When the water level has reached the level (I2), the drinking water supply shall automatically be switched off again.

P

I3 (Pump OFF)

I1 (drinking water supply ON)

I2 (drinking water supply OFF)

I4 (Pump OFF)

Q1 (drinking water supply)




Introduction

Wiring


Operation on device


Application example

Step 1: Insert connectors (CO)

How many inputs and outputs are necessary to solve the task?

Within the tree structure on the left side of the software you can choose quickly and clearly all necessary input and output blocks, markers or constants (high, low) and all basic and special functions and you can place them on the configuration interface.

After having chosen an element the following cursor will appear on the configuration interface:

Move the mouse to the desired position. Clicking on the left mouse button inserts the block.

1.

2.




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Step 2: Insert basic functions (GF)

Which basic functions are necessary to solve the task?

After placing both inputs I1 and I2 and the output Q1 on the interface a basic function (NOT) is necessary. As already learned in the first step you choose via the tree structure on the left the appropriate function and place it via a simple mouse click.

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Step 3: Insert special functions (SF)

Which special functions are necessary to solve the task?

As the last function element a special function (latching relay) is also necessary. As already learned in the previous steps you choose via the tree structure at the left the appropriate function and place it via simple mouse click.

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Step 3: Insert special functions (SF)

In this programming example the NOT function block could be replaced by a direct negation of the S-input of the latching relay function.

Via the context menu (right mouse button) on the digital input pins of all function blocks it is possible to negate the signal directly. This is also possible by a double click on the pin.




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Step 4: Connecting

To complete the control circuit you need to connect the blocks with one another:

Normally you can directly draw the connection line with the cursor after placing a block. If you are in a different mode, you will have to select the tool to get to the connecting mode.

Now move the cursor over the connection pin of a block (a small blue box will be shown) and click the left mouse key. While holding down the key move the cursor to the pin you would like to connect with the first pin, and release the mouse key. The connection is drawn. Continue the same way with the other connections.

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Step 5: Insert text fields

By inserting text fields the program can be understood more easily. With LOGO! Soft Comfort V6.1 there are several ways of embedding text into the program structure:

Adding a comment to each block in the program via the context menu (right mouse key).




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Step 5: Insert text fields

A

By inserting a free text field.

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3.


4.



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Step 6: Assigning connection names

For better program readability, comprehensive names can be assigned to inputs and outputs in addition to the text fields.




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Step 7: Moving elements

The control program is completed with insertion of function blocks and their connections. To get a reasonable, i.e. a clear view of the prepared control program, some further work is necessary. Placed objects such as function blocks, lines, and text fields can be moved accordingly.

This tool has to be selected, when you want to move function blocks, text fields or connection lines.




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Step 8: Aligning

This button has to be activated to align the highlighted function blocks vertically.

To design everything more neatly and more clearly, you can align the individual function blocks vertically and horizontally.

Firstly the function blocks must be selected to align them.




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Step 9: Parameterization of blocks

With special functions and basic functions in addition to the dialogues for comments there also exists one or more dialogues for parameters. Here you can preset set points or settings for each particular function block.

Select function block, click right mouse key and select menu item Block attribute.ORDouble click with left mouse key on the function block.

In the configuration another address can be allocated for each single input and output block. Only inputs and outputs are regarded in the selection when they are not yet assigned in the control program.




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Step 9: Parameterization of blocks

Additionally there is the possibility to change and check all block attributes centrally.




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Step 10: Formatting texts

Comments and text fields can be given user-designed formatting.




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Step 11: Documentation

For program documentation all used connectors, basic functions and special functions can be displayed.

A list of all used blocks can be displayed via the menu item Edit -> Go to block. The list comprises information about block number and block type. You can display e.g. which special functions you have used. The abbreviations of the block I1, Q2, B02, etc. can be entered in the search function (block number) and it will be displayed where the block is located in the list. When you complete the dialog field with OK, the desired block will be highlighted in the program.




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Further information about the program documentation can be viewed via the information window. It is shown at the bottom window frame by default.

You can access the information window anytime via the menu item View -> Info Window or the F4 key. In the information window the resources used in the program, are displayed with current date and time.




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Program and plant information can be entered under File -> Attributes on the properties dialogue General. They appear in the program printout in the footer.




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The program including the entered plant data can be viewed from the attribute window under File -> Print preview.




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You can select which documents shall be printed, under Properties… in the print preview window. By default the circuit diagram, the parameter list and the list with connection names are selected.




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It makes sense to divide the circuit diagram onto more pages for larger or more complex programs.




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Due to the split-up of the program across several pages, connection lines might have to be separated.

Connections can easily be separated by selecting the scissor symbol. The interfaces are clearly labeled with the page number, block number and input pin. Clicking a second time with the scissor symbol on one of the interface placeholders undoes the separation.




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Step 12: Program testing

After configuration and documentation, program testing via offline simulation is the next step.

Now you know that the program can be run in LOGO!, but you still have to check whether your program works the way you intended it. Perhaps you would like to change some parameters. You can effortlessly change input values, check the behavior upon power failure and compare your calculations or expectations with the real behavior of the outputs.




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An excellent tool is available for program testing.

This tool has to be selected when you want to test the program. With the activation of the offline simulation a tool bar for monitoring and operation of inputs and outputs is selected. A plug symbol provides a simulation of power failure to test the behavior in regards to retentivity.

By clicking on the buttons on the tool bar or on the inputs in the circuit diagram you can change the status of the inputs. The signal run can be tracked with the color change from blue (low signal) to red (high signal) of the connection lines. This makes error tracking a lot easier.


For time-critical simulations you can also set the output of a block (forcing), by clicking the output with the right mouse button.



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As an additional program testing feature, each input can be allocated to a certain switch function.

Each input of a block can be allocated to a certain switch function via the context menu (right mouse key) of an input block. You can chose between pushbutton (n.o. contacts, n.c. contacts), switches and frequency inputs at digital inputs. With frequency inputs the simulated frequency can be adjusted in Hz. With analog inputs the value range and the start value is preset. These parameters can centrally be changed and reviewed as well via the menu item Tools -> Simulation parameters.




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Step 13: Assign program password

To protect the program and your know how you can place a valid up to 10-digit password for that program.


This password protects your program only on LOGO!. There you can not delete, change or view it without the password! To load a password protected program onto a PC, the password is necessary as well. To delete an assigned password, enter Old password and leave New Password empty. To be able to reuse a LOGO! with program and password when password is lost, the password has to be entered incorrectly three times at program deletion. Then the program and the PW is automatically deleted. This can alternatively be done by software. *)

*) since E-Stand 4 (ES4) only possible via software or memory card



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Step 14: Transfer program to LOGO!

With LOGO! Soft Comfort V6.1 you have the possibility to either first realize your circuit diagram and then determine the required device via menu item Tools -> Determine LOGO! or you can firstly determine via Tools -> Select Hardware which LOGO! device you want to create your circuit diagram for.


In the device choice you can view for every LOGO! generation which resources are available. All available function blocks or resources are offered in configuration mode depending on the selected version.



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Step 14: Transfer program to LOGO!

If the connection between LOGO! and PC is not established correctly, an error message will be displayed.

After testing the program successfully you need to transfer it to the LOGO!. Therefore LOGO! has to be connected with the PC cable to the PC.

You have to click on this button to transfer a circuit diagram to LOGO!. Before transferring, the LOGO! version required for the configured circuit program, is identified. If the configured circuit program cannot be transferred to the available LOGO!, an error message is displayed and the transfer is aborted.

LOGO! Soft Comfort V6.1 Upon successful transfer a

message appears in the status bar.



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Step 15: Starting LOGO!

P

I3

I1

I2

I4

Q1

After transferring the program LOGO! has to be set to RUN-mode. Then the program can be tested in real life.


LOGO! 12/24 RC

LOGO! OKESC

Program..

Card..

Setup..

Start

>

sLOGO! 12/24 RC

LOGO! OKESC

Program..

Card..

Setup..

Start>

sLOGO! 12/24 RC

LOGO! OKESC

I :

0.. 123456789

1..0123456789

2..01234

s



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Step 16: Online-Test

Additional to the offline simulation an online test can be done in FBD and LAD after transferring the program to the LOGO! device.

1. 2.3.

To start the online test after transferring the program this button has to be activated . After this the LOGO! device can be set into RUN-mode with this button .To see now the online-status off the device the eyeglasses-symbol has to be activated . Now you can simulate your program online on the device by using the real inputs. If you have to watch function blocks which contain actual values, you have to click at the eyeglasses-symbol below the respective block separately, e.g.:




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Step 17: Setting the clock

With help of the software you can set the system clock of LOGO! as well. Of course, you can also set the time directly on the device.

LOGO! and PC have to be connected via the PC cable to transfer the set time to LOGO!, then you have to click on the button Write.




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Step 17: Setting the clock

With LOGO! you have the possibility to configure an automatic summer / winter clock change. You can do this on the software or directly on the device.

LOGO! and PC have to be connected via the PC cable to transfer the set summer / winter clock change to LOGO!. Depending on the chosen region this clock change is used.




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With Set AI3 and AI4 position you can choose to enable the optional AI3 and AI4 on the LOGO! 0BA6 devices that have an option of four analog inputs. Your choices are as follows: 2 AIs: Only AI1 and AI2 corresponding to input terminals I7 and I8 are available for use in your circuit program. 4 AIs: AI1 and AI2 corresponding to input terminals I7 and I8 are available for use in your circuit program. Additionally, AI3 and AI4 corresponding to input terminals I1 and I2 are available for use.

Set via software:

Double-click at in your circuit program

or go to File -> Properties -> Parameter

or at LOGO! basic module:

Setup > BM AI NUM

Setting the position of analog inputs AI3 and AI4




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Modem wizard


LOGO! Soft Comfort V6.1 provides a wizard to configure 11-bit analog modems that use standard AT commands and to connect them via an analog telephone line. You can use the modems to transfer circuit programs between LOGO! Soft Comfort V6.1 and LOGO! devices.



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Modem wizard

First you have to make a few settings for you COM-Port:Select in Windows Start -> Settings -> Control Panel -> System -> Hardware -> Device Manager. Then select Ports -> open the properties window of your COM-Port.


The port settings must be as follows:

Bits per second: 9600 Data bits: 8 Parity: Even Stop bits: 1 Flow control: None



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Modem wizard


1.

2.

Select the Tools -> Connect Modem menu command to start the wizard. LOGO! Soft Comfort V6.1 displays a dialog that guides you through the configuration process.



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Modem wizard

First the remote modem has to be configured. This configuration has to be made via a direct connection between PC and modem.


Every modem that you configure gets a name. In the wizard default AT-commands are already entered which are used of most modems. You can type in other AT- commands if necessary for your modem. Disable default in this case.

4.

5.

Now you can click at “Configure Remote Modem”.



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Modem wizard

Next step is to configure the local modem. The procedure is similar to the configuration of the remote modem.


7.

8.

The modem wizard provides a list of telephone numbers. Here several numbers of remote stations can be entered. Select the number you want to call and click Dial.



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Modem wizard

After dialing the remote modem, you are able to up-/download the user program, set LOGO! in run/stop and do online- test.




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Delete user program and password

To be able to reuse a LOGO! with program and password when password is lost, the password has to be entered incorrectly three times at program deletion. Then the program and the PW is automatically deleted. *)In LOGO! ..0BA6 it is possible to delete user program and password by LOGO! Soft Comfort V6.1 . This function is especially helpful for LOGO! pure versions, where it is not possible to delete the program directly on the device via the keys. In generations prior ..0BA6, a memory cartridge was necessary to get the program deleted.Use Tool -> Transfer -> Clear User Program and Password.


*) since E-Stand 4 (ES4) only possible via software or memory card



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Power-on Screen for LOGO! TD

Use Tools -> Transfer -> Set LOGO! TD Power-on Screen to configure a power-on screen for the LOGO! TD. This screen gets displayed during LOGO! TD powers up.




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Miscellaneous options

Other miscellaneous settings can be made via the menu item Tools -> Options.




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Application example

Conveyor controller

Application example



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Conveyor control

Function description:

A bottle filling conveyor shall be controlled.

Part 1

The conveyor control is switched on and off via (I1).When the conveyor control is switched on, the conveyor motor (Q1) runs. If the light barrier (I3) is interrupted, the motor shall be switched off.

Part 2

When the sensor (I2) detects a bottle, the motor is to be switched off for 3 sec. (filling action). After that the motor runs again.

I1 (ON/OFF)

I3 (light barrier)

I2 (filling)

Q1

Application example



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Solution: Conveyor control part 1


Part 1

The conveyor control is switched on and off via (I1).When the conveyor control is switched on, the conveyor motor (Q1) runs. If the light barrier (I3) is interrupted, the motor shall be switched off.

Application example

I1 (ON/OFF)

I3 (light barrier)

I2 (filling)

Q1

Invertierter Eingang



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Solution: Conveyor control part 2


Part 2

When the sensor (I2) detects a bottle, the motor is to be switched off for 3 sec. (filling action). After that the motor runs again.

Edge triggered wiping relay

Application example

I1 (ON/OFF)

I3 (light barrier)

I2 (filling)

Q1

Date post:	21-Jun-2015
Category:	Technology
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