GD-70D-ET · 2017. 7. 20. · GD-70D-ET comprises part of a system used to manage various...

PT2E-1581

Gas detector head

GD-70D-ET

Operating Manual for

PoE method communication

Preface

Thank you for choosing our gas detector head GD-70D-ET. This manual explains how to use the gas detector GD-70D-ET. Not only the first-time users but also the user who have already used a GD-70D-ET must read and understand the operating manual before using this product. Throughout this manual, the following indications are used to ensure safe and effective work.

DANGER This message indicates that improper handling may cause serious damage on life, health or assets.

WARNING This message indicates that improper handling may cause serious damage on health or assets.

CAUTION This message indicates that improper handling may cause minor damage on health or assets.

NOTE This message indicates advice on handling.

GD-70D-ET comprises part of a system used to manage various information in the field by using PoE method communications. Please be sure to read the operating manuals of related equipment. Liability limitation:

Any results caused by programs that communicate with GD-70D-ET shall be out of our

responsibilities.

Notation of numerical number:

Decimal numeral : Number only ( 1 100 1000 etc…)

Hexadecimal numeral : “0x” before number ( 0x00 0x64 0x3EB etc…)

<Contents>

Preface

1. Start-up ................................................................................................... 1

1-1. Installment ................................................................................................ 1

1-1-1. How to install PoE switching hub .............................................................. 1

1-1-2. How to install switching hub (Non PoE type) ............................................. 1

1-2. Setting...................................................................................................... 2

1-2-1. How to set an IP address of GD-70D-ET................................................... 2

1-2-2. How to set an IP address of PC ................................................................ 3

1-2-3. Communication test .................................................................................. 4

1-3. Web functions .......................................................................................... 5

1-3-1. How to set a browser ................................................................................ 5

1-3-2. How to login to User Mode ....................................................................... 6

1-3-3. How to login to Authorized User Mode ...................................................... 7

1-4. PLC communication functions .................................................................. 8

1-4-1. Connection to PLC (OMRON CJ/CS series) ............................................. 8

1-4-2. Communication with PLC (OMRON CJ/CS series) .................................... 9

1-4-3. Connection to PLC (MELSEC Q series) .................................................... 10

1-4-4. Communication with PLC (MELSEC Q series) .............................................. 11

2. Web functions ................................................................................................. 12

2-1. Cautions of usage environment ................................................................ 12

2-2. Table list of functions ................................................................................ 14

2-3. Components of Web screens………………………………………………….. 15

2-3-1. User screen .............................................................................................. 15

2-3-2. Authorized user screen ............................................................................. 18

2-4. Auto mailing function (gas alarm / fault alarm)........................................... 30

3. Modbus / TCP communication functions .............................................. 32

3-1. Communication specification .................................................................... 32

3-2. Registered map ........................................................................................ 32

3-3. Command ................................................................................................ 37

3-4. Exceptional responses ............................................................................. 38

3-4-1. Non-corresponding function ...................................................................... 38

3-4-2. In case being specified the outlying address ............................................. 38

3-4-3. In case being specified the access to the outlying address ........................ 38

3-4-4. In case being specified the writing on the unwritable address .................... 38

4. PLC communication functions .............................................................. 39

4-1. Communication specification .................................................................... 39

4-2. Data types ................................................................................................ 40

4-2-1. Basic Data (Small) .................................................................................... 40

4-2-2. Basic Data (Large) ................................................................................... 40

4-2-3. Basic Data (Small) + Optional Data........................................................... 41

4-2-4. Basic Data (Large) + Optional Data .......................................................... 42

4-3. Communication setting ............................................................................. 43

4-4. Data map ................................................................................................. 44

4-4-1. Basic Data (Small) .................................................................................... 44

4-4-2. Basic Data (Large) ................................................................................... 45

4-4-3. Optional Data ........................................................................................... 47

4-5. Command ................................................................................................ 48

4-5-1. How to issue command 1 (Setting Alteration) ............................................ 48

4-5-2. How to issue command 2~9 ............................................................................ 49

Basic data (Large) only.

4-5-3. How to issue command 10 (Setting alarm test concentration) ................... 50

Basic Data (Large) only.

4-5-4. Command related data to Basic Data (Large) ........................................... 51

4-5-5. Command related data to Optional Data ................................................... 53

4-5-6. How to alter alarm points setting ............................................................... 54

4-5-7. How to operate inhibit ............................................................................... 55

1

1. Start-up

This part of section, how to connect the cables, how to set the system, what the Web screen of

GD-70D-ET is like, and how to communicate with PLC are shown.

1-1. Installment

GD-70D-ET and PC shall be connected as below.

1-1-1. How to install PoE switching hub

イーサネットケーブル

スイッチングハブ

パソコン

GD-70D-ET

(PoE)

1-1-2. How to install switching hub (Non PoE type)

GD-70D-ET shall be supplied DC24V.

PC

Switching hub

Ethernet cable

Ethernet cable

Switching hub

PC

AC-DC power supply

Power source

2

1-2. Setting

1-2-1. How to set an IP address of GD-70D-ET

Turn ON the power switch of GD-70D-ET.

Set the IP address 192.168.1.1 and the Subnet mask 255.255.255.0 by pressing keys on

the front panel.

Roles of keys

① MODE key

② ▲▼ keys

③ SET key

Setting procedure

① Press the MODE key for three seconds to enter the maintenance mode.

(Display shows [1-1／ZERO] )

② Press the ▲ and ▼ keys to move to [1-8／M MODE] display and press the SET key.

(Display shows [－－－－／M MODE] )

③ Press the SET key for three seconds.

(Display shows [2-0／GAS TEST] )

④ Press the ▲ and ▼ keys to move to [2-10／SETTING2 ] display and press the SET key.

(Display shows [SET 0／ADDRESS] )

⑤ Press the ▲ and ▼ keys to move to [SET 18／ETHERNET ] display and press the SET

key. (Display shows [XX／MAC1] )

⑥ Press the ▲ and ▼ keys to move to [XXX／IP1] display and press the SET key.

(Display shows [XXX／IP1] *XXX is flickered number )

⑦ Press the ▲ and ▼ keys to move to [192／IP1] display and press the SET key.

(Display shows [192／IP1] )

⑧ The same procedure as ⑥ and ⑦, set 168,1,1／255,255,255,0 to IP2~4／SUB1~4.

⑨ Press the ▲ and ▼ keys to move to [ ／SAVE] display and press the SET key.

(Display shows [ ／SAVE Y/N] )

⑩ Press the SET key to write the IP address to GD-70D-ET.

(Writing the IP address takes approximately 10 seconds, then display shows [SET18／

ETHERNET] )

⑪ Press the MODE key for three seconds to return to the detection mode.

②

①

③

3

1-2-2. How to set an IP address of PC

Set IP address in Propety of Internet Protocol (TCP/IP).

Set IP address 192.168.1.2 and the Subnet mask 255.255.255.0.

(A figure below is an sample screen of Windows7.)

4

1-2-3. Communication test

Input as follows in Command Prompt of Windows.

ping 192.168.1.1 [Enter]

<Screen shows communication test is succeeded>

<Screen shows communication test is failed>

Confirm the installment and the setting if communication test is failed.

Display of GD-70D-ET shows (TX)／(RX) during data transmission／data reception.

5

1-3. Web functions

1-3-1. How to set a browser

Enter to [Internet options] and move to [connections] tab, and click [LAN settings].

Uncheck [Use a proxy server for your LAN] in case of being checked.

6

1-3-2. How to login to User Mode

Input to [Address] in Internet explorer as follows, and click [Move].

http://192.168.1.1

In User Mode, basic information (gas name and alarm points…etc) is displayed.

(Screen is varied depending on the version of Internet explorer and the settings)

Refer to “2. Web functions” for the details.

http://192.168.1.1/

7

1-3-3. How to login to Authorized User Mode

Input to [Address] in Internet explorer as follows, and click [Move].

http://192.168.1.1/login.html

Screen below is displayed. Input “GD-70D” to the default password and click [Login]

In Authorized User Mode, detail information of GD-70D is displayed, and the settings are

alterable.

http://192.168.1.1/login.html

8

1-4. PLC communication functions

1-4-1. Connection to PLC (OMRON CJ / CS series)

PLC shall be connected as below.

(Figure shows an example with PoE switching hub)



パソコン

GD-70D-ET

PLC(OMRON CJ)

(PoE)

Set IP address 192.168.1.10 and FINS/UDP port 9600 to PLC.

PC

Switching hub

Ethernet cable

9

1-4-2. Communication with PLC (OMRON CJ / CS series)

Click [Network], located the left side of Authorized User Web screen, and set the right side of

Authorized User Web screen as below. Write Basic Data (Small) to 0 address in D memory

of PLC (IP address192.168.1.10, NODE10 and FINS/UDP port 9600）.

Refer to “4. PLC communication functions” for the details.

Screen below shows how data is written to D memory.

(Increment of D2 counter is carried out)

(CX-Programmer PLC memory screen）

Refer to “PLC operation manuals” for PLC settings.

CAUTION

There is a possibility that wrong setting for rewriting PLC memory causes unexpected PLC

action. Be sure setting is correct.

10

1-4-3. Connection to PLC (MELSEC Q series)

PLC shall be connected as below.

(Figure shows an example with PoE switching hub)



パソコン

GD-70D-ET

PLC(MELSEC Q)

(PoE)

Set IP address 192.168.1.11 and UDP port 5000 to PLC.

PC

Switching hub

Ethernet cable

11

1-4-4. Communication with PLC (MELSEC Q series)

Click [Network], located the left side of Authorized User Web screen, and set the right side of

Authorized User Web screen as below. Write basic data (Small) to 0 address in D memory of

PLC (IP address192.168.1.11, UDP port 5000）.

Refer to “4. PLC communication functions” for the details.

Screen below shows how data is written to D memory

(Increment of D2 counter is carried out)

（GX-Developer memory devices screen）

Refer to “PLC operation manuals” for PLC settings.

CAUTION

There is a possibility that wrong setting for rewriting PLC memory causes unexpected PLC

action. Be sure setting is correct.

12

2. Web functions

2-1. Cautions for usage environment

Web functions shall be used with Microsoft Internet Explorer6～8.

There is a possibility that browsers other than Microsoft Internet Explorer6～8 cause

unexpected action.

Set [Active scripting] to be enable. (Web functions are based on browser script.)

13

Confirm proxy server settings (Windows7 Internet Explorer 8)

CAUTION

Above settings are valid if GD-70D-ET is used with local address only. Web functions are

invalid if GD-70D-ET is used via proxy server.

As settings are altered by GD-70D-ET operation, screen is displayed again and [Date is

updated] is displayed at the end of the maintenance mode.

GD-70D-ET records login histories whenever Authorized user is login, and recorded

histories are automatically deleted when GD-70D-ET is turned OFF the power.

(Error is displayed as the result of non-displayed screen is displayed, which is the situation

that browser is opened and GD-70D-ET is turned from OFF to ON the power. Close browser

and login again to reset the error.)

Do not alter settings at the same time by Web functions and GD-70D-ET operation.

There is no Check for [Use a proxy server for your LAN], Web functions can be used without any alterations.

[Internet options]

[Connections] tab

→ [LAN settings] → [Local area network (LAN) settings]

There is a Check for [Use a proxy server for your LAN], check to [Bypass proxy server for local addresses]. [Proxy settings] is displayed in [Advanced].

Write IP address of GD-70D-ET to [Do not use proxy server for addresses beginning with:] in [Exceptions]

14

2-2. Table list of functions

○: Displayed ×: Non-Displayed

HOME Authorized

User Deteils of functions

User screen Authorized

User screen

HOME Status ○ ○ Show GD-70D-ET settings

Event History ○ ○ Show listed 100 histries and a trend

graph

Calibration

History × ○

Show listed 100 histories

Log out × ○ Logout menu for Authorized Users

CALIBREATION Zero

Calibration × ○

Zero calibration function

Span

Calibration × ○

Span calibration function

TEST Alarm Test × ○ Alrm test function

Fault Test × ○ Fault test function

AUTHORIZED

USERS Alarm × ○

Confirm and alter settings related to

alarm

Network × ○ Confirm and alter settings related to

communication / mail / network

Date/Time × ○ Confirm and alter date / time

Configuration × ○

Confirm and alter settings related to

detail information of GD-70D-ET and

sensor

MAINTENANCE × ○ Enter the maintenance mode

INHIBIT × ○ Put inhibit condition ON

ALARM RESET × ○ Reset alarms

15

2-3. Components of Web screen

Start up Microsoft Internet Explorer and specify address.

([xxx] is GD-70D-ET IP address)

User screen (User)

http://xxx.xxx.xxx.xxx Password is not required.

Authorized user screen (Authorized Users)

http://xxx.xxx.xxx.xxx/login.html Password is required.

Password setting: Default password “GD-70D”

2-3-1. User screen

HOME

Status screen (User)

Real time status of GD-70D-ET is displayed.

Alarm settings and sensor setting are displayed.

Screen for printing a displayed page is displayed by clicking [Open Print Page].

http://xxx.xxx.xxx.xxx/

http://xxx.xxx.xxx.xxx/login.html

16

Event History screen (User)

Event History

10 event histories are displayed in 1 page (maximum 100 histories for 10 pages).

Time stamps, event descriptions, [Graph] (If data has trend graphs) are displayed on screen.

A trend graph that shows 3 minutes trend before and after alarms are activated is displayed

by clicking [Graph]. Screen for printing all event pages, including non-displayed pages, is

displayed by clicking [Open Print All]. Screen for printing a displayed page is displayed by

clicking [Open Print Page].

Screen for printing [Open Print All] Screen for printing [Open Print Page]

17

Event History screen (User)

Trend graph


by clicking [Graph].


Return to Event History by clicking [Return].

18

2-3-2. Authorized user screen

HOME

Status screen (Authorized User)

Real time status of GD-70D-ET is displayed.

Alarm settings and sensor setting are displayed.

Alarm activated status is reset by clicking [ALARM RESET]


19

Event History screen (Authorized User)

Event History

10 event histories are displayed in 1 page (maximum 100 histories for 10 pages).

Time stamps, event descriptions, [Graph] (If data has trend graphs) are displayed on screen.


by clicking [Graph]. Screen for printing all event pages, including non-displayed pages, is

displayed by clicking [Open Print All]. Screen for printing a displayed page is displayed by

clicking [Open Print Page].

Screen for printing [Open Print All] Screen for printing [Open Print Page]

20

Event History screen (Authorized User）

Trend graph


by clicking [Graph].


Return to Event History by clicking [Return].

21

Calibration History screen （Authorized User）

Calibration History list is displayed in 10 histories for 1 page (maximum 100 histories for 10

pages).

Screen for printing all event pages, including non-displayed pages, is displayed by click

[Open Print All].


22

CALIBRATION

Zero Calibration screen (Authorized User)

Screen for Zero Calibration

CAUTION

To perform the Gas Calibration adequately, read the GD-70D series operating manual and

follow the procedures.

We provide services on regular maintenance including span adjustment, adjustment and

maintenance.

To make the calibration gas, dedicated tools, such as a gas cylinder of the specified

concentration and gas sampling bag must be used.

Our qualified service engineers have expertise and knowledge on the dedicated tools used

for services, along with other products. To maintain the safety operation of the gas detector,

please use our maintenance service.

Please contact our sales department or agents for more information.

23

Span Calibration screen (Authorized User)

Screen for Span Calibration

CAUTION

To perform adequate Gas Calibration, read the GD-70D series operating manual and follow

the procedures.

We provide services on regular maintenance including span adjustment, adjustment and

maintenance.

To make the calibration gas, dedicated tools, such as a gas cylinder of the specified

concentration and gas sampling bag must be used.

Our qualified service engineers have expertise and knowledge on the dedicated tools used

for services, along with other products. To maintain the safety operation of the gas detector,

please use our maintenance service.

Please contact our sales department or agents for more information.

24

TEST

Alarm Test screen (Authorized User)

Screen for Alarm Test

CAUTION

Before starting the alarm test, provide a notification to the related sections so that they can

prepare for false abnormalities. (The alarm contacts are activated during the alarm test.)

25

Fault Test screen (Authorized User)

Screen for Fault Test

CAUTION

Before starting the fault test, provide a notification to the related sections so that they can

prepare for false abnormalities. (The fault alarm contact is activated during the fault test.)

26

AUTHORIZED USERS

Alarm screen (Authorized User)

Screen for confirming and altering the settings.

Update input settings on GD-70D-ET by clicking [Update].

27

Network screen (Authorized User)

Screen for confirming and altering communication / mail / network.

Time synchronization function is to be activated, the time adjustment is automatically

excuted at the execution time by receiving the information from NTP server. (The time delay

caused by communicating with NTP server is not corrected.)

Update input setting on GD-70D-ET by clicking [Update].

Refer to “2-4. Auto mailing function (gas alarm / fault alarm)” for the details.

28

Date / Time screen (Authorized User)

Screen for comfirming and altering the date and time.

29

Configuration screen (Authorized User)

Screen for comfirming and altering TAG No. / Device name / Location of GD-70D-ET.

Update input data on GD-70D-ET by clicking [Update].

TAG No. is used as Mail Sender.

30

2-4. Auto mailing function (gas alarm / fault alarm)

AUTHORIZED USERS

Network screen (Authorized User)

Auto mailing function provides mail notification, which contains gas alarm and fault alarm, to

registered address from GD-70D-ET.

Register an address of mail sender.

Message is sent to maximum 10 addresses. (Message is sent to all registered addresses at

the same time.)

31

Examples of sent message

[1st gas alarm ]

[Low flow alarm]

32

3. Modbus / TCP communication functions

3-1. Communication specification

Protocol Modbus/TCP

Communication mode RTU

Port No. 502 port

Functions Read Holding Register (0x03)

Preset Multiple Registers (0x10)

Modbus/TCP specification is not shown in this manual.

Refer to “Modbus/TCP specifications”.

3-2. Registered map

Registered map of GD-70D-ET Modbus/TCP is shown as below.

Address Writability

(○ or ×) Content Description

40001 × Status

bit0-3:Mode(0: Initial 1: Measuring mode 3: Inhibit 5: Test mode)

bit5: Fault flag

bit6: Alarm: 1st flag

bit7: Alarm: 2nd flag

bit8: Alarm: 1st alarm relay contact flag

bit9: Alarm: 2nd alarm relay contact flag

bit10: Fault relay contact flag

bit11: Repeat 0 and 1 in 2 seconds period.

40002 × (Reserved)

40003 ×

Concentration value

Floating decimal point

Address 40003: low 16 bits

Address 40004: high 16bits 40004 ×

40005 × Concentration value Magnification corrected integer number

Actual value is multipled decimal point code by unit of concentration.

40006 × (Reserved)

40007 × Concentration unit bit0-2: Decimal point code (000:1/1 001:1/10 010:1/100 011:1/1000）

bit8-11: Unit code (0001: ppm 0010: ppb 0100: vol% 1000: %LEL)

40008 × (Reserved)

40009 × (Reserved)

40010 × Date and time Low 16 bits of elapsed the number of second from 00:00 of 1st January 1970.

40011 × (Reserved)

40012 × (Reserved)

40013 ×

1st alarm point



Address 40014: high 16bits 40014 ×

40015 ×

2nd alarm point



Address 40016: high 16 bits 40016 ×

33

Address Writing


40017 × Alarm status bit0: Alarm / 1st

bit1: Alarm / 2nd

40018 × Fault status Bit1: Fault

40019 × (Reserved)

40020 × (Reserved)

40021 ○ (Reserved)


40023 × Status

bit15: Maintenance

bit14: Test

bit13: Inhibit

bit12: Initial

bit11: Alarm / RANGE OVER

bit10: （Reserved）

bit9: Alarm / 2nd

bit8: Alarm / 1st

bit7: Fault / Sensor

bit6: Fault / Communication

bit5: Fault / Flow

bit4: Caution / Flow

bit2-3: concentration unit code（00: vol% 01: %LEL 10: ppm 11: ppb）

bit0-1: Decimal point code (00:1/1 01:1/10 10:1/100 11:1/1000）

40024 × Concentration value Magnification corrected integer number

Actual value is multipled decimal point code by unit of concentration.

40026 × (Reserved)

40025 × (Reserved)

40027 ○ Year / Month High byte: Year (The last 2 digits） Low byte: Month

40028 ○ Day / Hour High byte: Day Low byte: Hour

40029 ○ Minute / Second High byte: Minute Low byte: Second

40030 × Date and time Low 16 bits of elapsed the number of second from 00:00 of 1st January 1970.

（The same as the address 40010）

40031 × (Reserved)

40032 × (Reserved)

40033 × (Reserved)

40034 × (Reserved)

40035 × (Reserved)

40036 × (Reserved)

40037 × (Reserved)

40038 × (Reserved)

40039 × (Reserved)

40040 × (Reserved)

40041 × Full scale Magnification corrected integer number

Actual Full scale is multipled decimal point code by status of address 0.

40042 × Digit Magnification corrected integer number

Actual digit is multipled decimal point code by status of address 0.

40043 × Magnification 0:same magnification 1:One-tenth 2:One-hundredth 3:One-thousandth

40044 × Unit 0: vol% 1: %LEL 2: ppm 3: ppb

40045 ○ 1st alarm point Magnification corrected integer number

Actual 1st alarm point is multipled decimal point code by status.

40046 ○ 2nd alarm point Magnification corrected integer number

Actual 2nd alarm point is multipled decimal point code by status.


40048 ○ Alarm delay time Unit: 10 millisecond

40049 × (Reserved)


34

Address Writing


40051 ○ Alarm method 0: H-HH 1: L-LL 2: L-H

40052 ○ Alarm type 0: Non-Latching mode 1: Latching mode

40053 ○ Relay contact action

during alarm test 0: OFF 1: ON


40055 ○ Open / Close

bit0 = Alarm: 1st （0: Open 1: Close）

bit1 = Alarm: 2nd ( 0: Open 1:Close)

bit2 = Fault （0: Open 1:Close）

40056 × (Reserved)

40057 × (Reserved)

40058 × (Reserved)




40062 ×

(Reserved)

40063 ×

40064 ×

40065 ×

40066 ×

40067 ×

40068 ×

40069 ×

Serial No. ASCII Character string

Left-align Blanc is space (0x20）

40070 ×

40071 ×

40072 ×

40073 ×

40074 ×

40075 ×

40076 ×

40077 ×

40078 ×

40079 ×

Gas name ASCII Character string


40080 ×

40081 ×

40082 ×

40083 ×

40084 ○

TAG No. ASCII Character string


40085 ○

40086 ○

40087 ○

40088 ○

40089 ○

40090 ○

40091 ○

40092 ○

40093 ○

35

Address Writing


40094 ○

Device name ASCII Character string


40095 ○

40096 ○

40097 ○

40098 ○

40099 ○

40100 ○

40101 ○

40102 ○

40103 ○

40104 ○

Installed location ASCII Character string


40105 ○

40106 ○

40107 ○

40108 ○

40109 ○

40110 ○

40111 ○

40112 ○

40113 ○

40114 ○

Customer code ASCII Character string


40115 ○

40116 ○

40117 ○

40118 ○

40119 ×

Sensor serial No. ASCII Character string


40120 ×

40121 ×

40122 ×

40123 ×

40124 ×

40125 ×

40126 ×

40127 ×

40128 ×

40129 ×

Sensor model ASCII Character string


40130 ×

40131 ×

40132 ×

40133 ×

40134 × Sensor unit type 1:ESU 2:SGU 3:NCU 4:SSU 5:SSU

6:OSU（25%） 7:OSU（5%） 8:OSU（50%） 9:SCU

40135 ×

(Reserved)

40136 ×

40137 ×

40138 ×

40139 ×

40140 ×

40141 ×

40142 ×

40143 ×

Alarm / Fault new

flags

bit0: Alarm new flag

bit1: Fault new flag

36

Address Writing


40144

～

40250

○ (Reserved)

40251 ○ Command

Refer to 3-3. Command

40252 ○ Subcommand

40253 ○ Parameter 1




37

3-3. Command

Following functions are excuted by writing commands on address 40251～40256.

40251 40252 40253 40254 40255 40256

Functions Command

Sub

command Parameter 1 Parameter 2 Parameter 3 Parameter 4

MM

(0x4D4D)

S

(0x0053) －－－－

Start the

maintenance

mode

E

(0x0045) －－－－

Finish the

maintenance

mode

GS

(0x4753)

W

(0x0057)

0x0000 －－－ Inhibit off

0x0001 －－－ Inhibit on

RA

(0x5241)

S

(0x0053) －－－－

Start the

alarm test

E

(0x0045) －－－－

Finish the

alarm test

W

(0x0057) Value －－－

Adapt the

value of

alarm test

SB

(0x5342)

W

(0x0057) －－－－

Reset the

alarm

To excute functions, writing commands on address 40251 is required as a trigger.

Commands, subcommand, Parameters (If needed) shall be excuted by a query.

If command only is written, functions shall be excuted by subcommands and parameters that

are already written.

CAUTION

If improper commands other than those above are written, exceptional response is not sent.

If the results of command execution are failure, exceptional response is not sent

ModbusTCP response is sent when writing is success or failure.

To distinguish between success and failure of the command execution processing, make

judgement from the results of status or concentration value after commands are executed.

38

3-4. Exceptional responses

3-4-1. Non-corresponding function

Examples of data:

Query 000000000006010400000001 Function code = 0x04

Response 000000000003018401 Exceptional responses 01 (Improper function)

Corresponding function of GD-70D-ET is “Read Holding Register (0x03)”, “Preset Multiple

Registers (0x10)”.

3-4-2. In case being specified outlying address

Examples of data:

Query 000000000006010301000001 Address = 40257

Response 000000000003018302 Exceptional responses 02

(Improper data address)

Address range of GD-70D-ET is 40001～40256.

3-4-3. In case being specified access to outying address

Examples of data:

Query 000000000006010300FF0002 Read 2 registers from 40256

Response 000000000003018303 Exceptional responses 03 (Improper data)

Although address is specified within address range, address exceeds the final address (40256)

by being specified data number.

3-4-4. In case being specified writing on the unwritable address

Examples of data:

Query 00000000000D0110002E000306000503E80000

Write 3 registers from address 40047 (Address 40049 is unwritable)

Response 000000000003019003 Exceptional responses 03 (Improper data)

If there is an unwritable address within writable ranges, whole functions is to be errow.

(Writable address is unable to be written while errow remains.)

39

4. PLC communication functions

4-1. Communication specification

Protocol FINS / UDP (for OMRON PLC), MC / UDP (for MELSEC PLC)

PLC OMRON CJ / CS series, MELSEC Q series

Deta type Basic Data (Small)

Basic Data (Largel)

Basic Data (Small) + Optional Data

Basic Data (Large) + Optional Data

PLC component (Recommendation) and maximum connected number of GD-70D-ET

Communication setting: Interval min = 1000msec

PLC component (Recommendation) Maximum connected number of GD-70D-ET

CPU Model Ethernet unit Model Data type

Basic Data: Small

Data type

Basic Data (Large)

Basic Data (Small)+Optional Data

Basic Data (Large)+Optional Data

OMRON CJ1H-CPU6□H CJ1W-ETN21(CJ1W-EIP21) 32 8

OMRON CJ1G-CPU4□H CJ1W-ETN21(CJ1W-EIP21) 32 8

OMRON CJ2H-CPU6□ CJ1W-ETN21(CJ1W-EIP21) 64 8

OMRON CJ2H-CPU6□-EIP - (CPU All-in-one) 64 32

MELSEC Q□□HCPU QJ71E71-100 8 8

MELSEC Q□□UDHCPU QJ71E71-100 64 8

MELSEC Q□□UDEHCPU - (CPU All in one) 64 8

Communication setting: Interval min = 3000msec

PLC component (Recommendation) Maximum connected number of GD-70D-ET

CPU Model Ethernet unit Model Data type

Basic Data: Small

Data type

Basic Data (Large)

Basic Data (Small)+Optional Data

Basic Data (Large)+Optional Data

OMRON CJ1H-CPU6□H CJ1W-ETN21(CJ1W-EIP21) 64 32

OMRON CJ1G-CPU4□H CJ1W-ETN21(CJ1W-EIP21) 64 32

OMRON CJ2H-CPU6□ CJ1W-ETN21(CJ1W-EIP21) 128 64

OMRON CJ2H-CPU6□-EIP - (CPU All-in-one) 128 64

MELSEC Q□□HCPU QJ71E71-100 64 32

MELSEC Q□□UDHCPU QJ71E71-100 128 64

MELSEC Q□□UDEHCPU - (CPU All-in-one) 128 64

Refer to “PLC operation manuals” for operations and specifications of PLC.

40

4-2. Data types

4-2-1 Basic Data (Small)

Basic Data (Small)

Write basic data such as alarm status, concentration values, alarm points.

4-2-2 Basic Data (Large)

Basic data (Large)

Write basic data such as alarm status, concentration values, alarm points, and date, gas name.

Read data in order to alter the settings of alarm actions, alarm points…etc.

GD-70D-ET

PLC memory (D,E…etc.)

16 WORD Basic Data (Small)


42WORD Basic Data (Large)

Write data from GD-70D-ET

to PLC

GD-70D-ET

Write data from

GD-70D-ET to

PLC


Beginning address for

writing


writing


reading

Read data from

PLC to

GD-70D-ET

41

4-2-3 Basic Data (Small) + Optional Data

Basic Data (Small) + optional data

Write basic data such as alarm status, concentration values, alarm points.

Read extended data such as all sorts of names, sensor models, sensor serial No….etc.

Read data in order to alter all sorts of names…etc.


GD-70D-ET

72WORD Optional Data


16WORD Basic Data (Small)


reading


writing

Write data from

GD-70D-ET to

PLC

Read data from

PLC to

GD-70D-ET

42

4-2-4 Basic Data (Large) + Optional Data

Basic Data (Large) + optional data

Write basic data such as alarm status, concentration values, alarm points, and date, gas name.

Read data in order to alter the settings of alarm actions, alarm points…etc.

Read extended data such as all sorts of names, sensor models, sensor serial No….etc.

Read data in order to alter all sorts of names…etc.

PLC memory (D,E...etc.)

GD-70D-ET






writing


reading

Write data from

GD-70D-ET to

PLC

Read data from

PLC to

GD-70D-ET

43

4-3. Communication setting

Login to GD-70D-ET Web functions by authorized user, and set PLC communication settings in

network screen. Refer to “2. Web functions” for the details.

Content Description Remarks

PLC PLC Type

Choose PLC communication type.

FINS setting or MC setting of the table list is used

depending on which PLC type is chosen.

Not Used :Not use PLC(Default)

FINS :OMRON CJ / CS series

MC :MELSEC Q series

Type of Basic Data Type of Basic data Small :Small (Default)

Largel :Large

Use Optional Data Use or not use optional date Yes :Use

No :Not use (Default)

Interval

Min

Minimun Send Interval. Send Interval at abnormal

measuring condition (Alarm, Maintenance) with

data changing.

250～10000msec

Minimum time default :1000msec

(With concentration changing)

Maximum timede fault :3000msec

(Without concentration changing） Max

Maximum send interval. Send interval at normal

measuring without data changing.

Timeout

Timeout for receiving from PLC. Stop waiting for

a response from PLC when response time

exceeds a set time. Re-send when interval set

time is exceeded.

1～10sec

Default :5sec

FINS IP Address PLC IP address

Port UDP port No Default :9600

Detector Network

Address

GD-70D-ET network address

(Specification-based FINS setting value)

Node Address GD-70D-ET node address


Unit No. GD-70D-ET unit No.


PLC Network

Address

PLC network address


Node Address PLC node address


Unit No. PLC unit No.


Detector Write Memory

Address Writing memory address to PLC

Area Type Writing memory area from PLC

Detector Read Memory

Address Reading memory address from PLC

Area Type Reading memory area from PLC

MC IP Address PLC ＩＰ address

Port UDP port No. Default :5000

PLC Network

Address

PLC network address

( Specification-based MC setting value)

Node Address PLC node address

( Specification-based MC setting value)

Detector Write Memory

Address Beginning address for writing to PLC

Area Type Writing memory area to PLC

Detector Read Memory

Address Beginning address for reading from PLC

Area Type Reading memory area from PLC

44

4-4. Data map

4-4-1 Basic Data (Small)

Writing data map

Address Content Description

GD-70D-ET

Writing Area

GD-70D-ET

Data

0 Status

bit15: Maitenance

bit14: Test

bit13: Inhibit

bit12: Initial

bit11: Alarm / RANGE OVER

bit10: (Reserved)

bit9: Alarm: 2nd

bit8: Alarm: 1st

bit7: Fault: Sensor

bit6: Fault: communicatiom

bit5: Fault: Flow

bit4: Caution: Flow

bit2-3: Unit code (00:vol% 01:%LEL 10:ppm 11:ppb)

bit0-1: Decimal point code (00:1/1 01:1/10 10:1/100

11:1/1000）

1 Concentration value Magnification corrected integer number

Actual value is multipled decimal point code by status.

2 Counter for checking

existence

Value increased in each sending

Return to 0 at the overflow

3 Flow Unit: mL / min

4 Pyrolyzer temperature Unit: ℃ ( No pyrolyzer :0x8000)

5 IP address

(High 16 bits)

Anterior half of IP address

Ex.) 192.168.0.1: 0xC0A8

6 IP address

Low 16 bits)

Posterior half of IP address

Ex.) 192.168.0.1: 0x0001

7 Subnet mask

(High 16 bits)

Anterior half of subnet mask

Ex.) 255.225.225.0: 0xFFFF

8 Subnet mask

(Low 16 bits)

Posterior half of subnet mask

Ex.) 255.225.225.0: 0xFF00

9 Flag

bit6: Sensitivity correction (0: OFF 1:ON）

bit5: Zero tracking (0: OFF 1: ON)

bit4: Suppression type (0: Cut off 1:Slope)

bit3: Fault alarm action (0: Non-Latching 1:Latching)

bit2: Gas alarm action (0: Non-Latching 1:Latching)

bit0-1: Alarm type (0: H-HH 1: L-LL 2: L-H)

10 Full scale Magnification corrected integer number

Actual full scale is multipled decimal point code by status.

11 1st alarm point

Magnification corrected integer number

Actual 1st alarm point is multipled decimal point code by

status.

12 2nd alarm point


Actual 2nd alarm point is multipled decimal point code by

status.

13 3200 portitioned

concentration value Relative value when full scale is assumed 3200

14 3200 portitioned


15 3200 portitioned


45

4-4-2 Basic Data (Large)

Writing data map


GD-70D-ET

Writing Area

GD-70D-ET

Data 0～15

Concentration

Alarm status…etc

The same as Basic Data (Small)

( Refer to 4-1-1 Basic Data: Small)

16 Year / Month High byte: Year (The last 2 digits） Low byte: Month

17 Day / Hour High byte: Day Low byte: Hour

18 Minute / Second High byte: Minute Low byte: second

19 Alarm delay time Unit: 10 millisecond

20 Digit Magnification corrected integer number

Actual digit is multipled decimal point code by status.

21 Zero suppression

value


Actualzero suppression value is multipled decimal point

code by status

22～27 Gas name ASCII Character string


28～34 (Reserved)

35～39 (Reserved)

Command

Data 40

Command execution

status (GD-70D-ET)

0: Normal condition

1: On processing

41 Command execution

result

Command 1 (setting alteration)

Success: bit ON Failure: bit OFF

bit12: Sensitivity correction

bit11: Date and time

bit10: Zero tracking

bit9: Zero suppression type

bit8: Zero suppression value

bit7: Alarm delay time

bit6: Fault alarm action

bit5: Gas alarm action

bit4: 2nd Alarm

bit3: 1st Alarm

bit2: Alarm type

bit1: Subnet mask

bit0: IP address

Command 2～

0: Failure

1: Success

46

Reading data map


GD-70D-ET

Reading Area

GD-70D-ET

Setting

Data 0

IP address

(High 16 bits) Anterior half of IP address

1 IP address

(Low 16 bits) Posterior half of IP address

2 Subnet mask

(High 16 bits) Anterior half of subnet mask

3 Subnet mask

(Low 16 bits) Posterior half of subnet mask

4 Flag

bit3: Fault alarm action (0: Non-Latching 1: Latching)

bit2: Gas alarm action (0: Non-Latching 1: Latching)

bit0-1: Alarm type (0: H-HH 1: L-LL 2: L-H)

5 1st Alarm point


Actual 1st alarm point is multipled decimal point code by

status of address 0.

6 2nd Alarm point


Actual 2nd alarm point is multipled decimal point code by

status of address 0.

7 Year / Month High byte: Year (The last 2 digits） Low byte: Month

8 Day / Hour High byte: Day Low byte: Hour

9 Minute / Second High byte: Minute Low byte: second

10 Alarm delay time Unit: 10 millisecond

11 Zero suppression

value


Actual zero suppression value is multipled decimal point

code by status of address 0.

12～15 (Reserved)

Command

Data 16

Command execution

status (PLC)

0: Normal condition

1: Excute processing

17 Command code

(Refer to 4-5 command)

18 Parameter

19～21 (Reserved)

47

4-4-3 Optional Data

Writing data map

Address

Basic Data

(Small)

Address

Basic Data

(Large)

Content Description

GD-70D-ET

Writing Area

GD-70D-ET

Data 16～25 42～51 TAG No.

ASCII Character string


26～35 52～61 Device name ASCII Character string


36～45 62～71 Installed location ASCII Character string


46～50 72～76 Customer code ASCII Character string


51～55 77～81 Sensor model ASCII Character string


56～65 82～91 Sensor serial No. ASCII Character string


66～67 92～93 Sensor unit type ASCII Character string

Left-align 3 characters

68～85 94～111 (Reserved)

Command

Data 86 112

Command execution

status (GD-70D-ET)

0: Normal condition

1: Complete processing

87 113 Command execution

result

Command 1 (setting alteration)


bit3: Customer code

bit2: installed location

bit1: device name

bit0: TAG No.

Command 2～ (Reserved)

0: Failure

1: Success

Reading data map

Address

Basic Data

(Small)

Address

Basic Data

(Large)

Content Description

GD-70D-ET

Reading Area

GD-70D-ET

Setting

Data

0～9 22～31 TAG No. ASCII Character string


10～19 32～41 Device name ASCII Character string


20～29 42～51 Installed location ASCII Character string


30～34 52～56 Customer code ASCII Character string


35～49 57～71 (Reserved)

Command

Data 50 72

Command

Execution status

(PLC)

0: Normal condition

1: Excute processing

51 73 Command code (Refer to 4-5 Command )

52 74 Parameter

53～55 75～77 (Reserved)

48

4-5 Command

Write to Basic Data (Large) and GD-70D-ET setting data, command execute status (PLC),

command code, parameter of Optional Data, and then execute all sorts of functions.

4-5-1 How to issue command 1 (Setting alteration)

Check [Command execution status (PLC)] = 0 (Normal condition)

↓

[GD-70D-ET setting data] ← Set data to desirable contents (Plurally contents are settable)

[Command data] ← Set 1 (Setting alteration)

[Parameter] ← Set bit values of desirable contents which are turned on.

(Plurally bit values are settable)

↓

[Command execution status (PLC)] ← Set 1 (Execute processings)

↓

[Command execution status (GD-70D-ET)] = Check 1 (Complete processings)

↓

[Command execution status (PLC)] ← Set 0 (Normal condition)

Success to setting alteration:

[Command execution result] = Bits of desirable contents are ON.

Failure to setting alteration:

[Command execution result] = Bits of desirable contents are OFF.

CAUTION

Do not alter values of [GD-70D-ET setting data], [Command code], [Parameter] at the period

between commands are issued and processings are completed.

49

4-5-2 How to issue command 2～9 (Basic Data (Large) only)

[Command execution status (PLC)] = Check 0 (Normal condition)

↓

[GD-70D-ET seting data] ← Set data to desirable contents (Plurally contents are settable)

[Command code] ← Set 2～9

[Parameter] ← Set 0 (Unused) (Command 2～9)

↓

[Command execution status (PLC)] ← Set 1 (Execute processing)

↓

[Command execution status (GD-70D-ET)] = Check 1 (Complete processing)

↓


Success to setting alteration: [Command execution result] = 1

Failure to setting alteration: [Command execution result] = 0

CAUTION



50

4-5-3 How to issue command 10 (Set concentration value of alarm test)

(Basic Data (Large) only)


↓

[GD-70D-ET setting data] ← Set data to desirable contents (Plurally contents are settable)

[Command code] ← Set 10 (Set concentration values of alarm test)

[Parameter] ← Set concentration value of alarm test

↓

[Command execution status (PLC)] ← Set 1 (Execution processing)

↓


↓

[Command executionstatus (PLC)] ← Set 0 (Normal condition)



CAUTION



51

4-5-4 Command related data to Basic data (Large)


GD-70D-ET

Writing Area

40 Command Execution

Status (GD-70D-ET)

0: Normal condition

1: On processing


Result

Command 1 (Setting alteration)

Success: bit ON failure: bit OFF

bit12: Sensitivity correction

bit11: Date and time

bit10: Zero tracking

bit9: Zero suppression type

bit8: Zero suppression value

bit7: Alarm delay time

bit6: Fault alarm action

bit5: Gas alarm action

bit4: 2nd alarm point

bit3: 1st alarm point

bit2: Alarm type

bit1: Subnet mask

bit0: IP address

Command 2～

0: Failure

1: Success


GD-70D-ET

Reading Area

0～15 All sorts of Setting Data


Status (PLC)

0: Normal condition

1: Execute processing

17 Command Set command code

18 Parameter Depending on command

(Refer to command code table below)

Command code table of Basic Data (Large)

Command code Content Parameter

1 Setting Alteration Setting flag

(Refer to table below)

2 Buzzer Stop Unused

3 Inhibit ON Unused

4 Inihibit OFF Unused

5 Start the Maintenance Mode Unused

6 Finish the Maintenance Mode Unused

7 Execute Zero Calibration Unused

8 Start the Alarm Test Mode Unused

9 Finish the Alarm Test Mode Unused

10 Set Concentration Value

of Alarm Test

Test concentration

value

52

Parameter (Setting flag) of command 1 (Setting alteration)

Plurally contents are alterable. (Plurally bits are turned on at the same time.)

Parameter (Bit) Content

Bit15 (Reserved)

Bit14 (Reserved)

Bit13 (Reserved)

Bit12 Sensitive correction

Bit11 Date and time

Bit10 Zero tracking

Bit9 Zero suppression type

Bit8 Zero suppression value

Bit7 Alarm delay time

Bit6 Fault alarm action

Bit5 Gas alarm action

Bit4 2nd alarm point

Bit3 1st alarm point

Bit2 Alarm type

Bit1 Subnet mask

Bit0 IP address

53

4-5-5 Command related data to Optional Data

Address

Basic

Data

(Small)

Address

Basic

Data

(Large)

Content Description

GD-70D-ET

Eriting Area

86 102

Command

Execution Status

(GD-70D-ET)

0: Normal condition

1: On processing

87 103 Command

Execution Result

Command 1 (Setting alteration)


bit3: Customer code

bit2: Installed location

bit1: Device name

bit0: TAG No.

Command 2～ (Reserved)

0: NG

1: OK

Address

Basic

Data

(Small)

Address

Basic

Data

(Large)

Content Description

GD-70D-ET

Reading Area

0～49 22～71 All sorts of Setting

Data

50 72

Command

execution status

(PLC)

0: Normal condition

1: On processing

17 73 Command Set command code

18 74 Parameter Depending on command

(Refer to command code table below)

Command code of Optional Data

Command code Content Parameter

1 Setting Alteration Setting flag (Refer to table below)

Parameter (Setting flag) of command code 1 (Setting alteration)

Parameter (Bit) Content

Bit15 (Reserved)

Bit14 (Reserved)

Bit13 (Reserved)

Bit12 (Reserved)

Bit11 (Reserved)

Bit10 (Reserved)

Bit9 (Reserved)

Bit8 (Reserved)

Bit7 (Reserved)

Bit6 (Reserved)

Bit5 (Reserved)

Bit4 (Reserved)

Bit3 Customer code

Bit2 Installed location

Bit1 Device name

Bit0 TAG No

54

4-5-6 How to alter alarm points setting.

Set 1st alarm point to 500, 2nd alarm point to1000.

Address

[GD-70D-ET setting data (1st alarm point)] : Basic Data (Large) GD-70D-ET Reading area address 5

[Command execution status (PLC)] : Basic Data (Large) GD-70D-ET Reading area address 16

[Command code] : Basic Data (Large) GD-70D-ET Reading area address 17

[Parameter] : Basic Data (Large) GD-70D-ET Reading area address 18

[Command execution status (GD-70D-ET)] : Basic Data (Large) GD-70D-ET Writing area address 40

[Command execution result] : Basic Data (Large) GD-70D-ET Writing area address 41

[Command execution status (PLC)] = Check 0 (Normal condition).

↓

[GD-70D-ET setting data] ← 500

[Command code] ← Set 1 (Setting alteration)

[Parameter] ← 0x0018

Setting flag: Values that are turned on 1st alarm point (bit3) and 2nd alarm point (bit4)

↓

[Command execution status (PLC)] ← Set 1 (Complete processing)

↓


↓



1st alarm point (bit3) and 2nd alarm point (bit4) are ON.


1st alarm point (bit3) and 2nd alarm point (bit4) are OFF.

55

4-5-7 How to operate inhibit

Address

[Command execution status (PLC)] : Basic Data (Large) GD-70D-ET Reading area address 16

[Command code] : Basic Data (Large) GD-70D-ET Reading area address 17

[Parameter] : Basic Data (Large) GD-70D-ET Reading area address 18

[Command execution status (GD-70D-ET)] : Basic Data (Large) GD-70D-ET Writing area address 40

[Command execution result] : Basic Data (Large) GD-70D-ET Writing area address 41


↓

[Command code] ← Set 3 (Inhibit on)

(Inhibit off: 4)

[Parameter] ← 0 (Parameter unsed)

↓

[Command execution status (PLC)] ← Set 1 (execute processing)

↓


↓




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