vacon nxac drives

optcimodbus tcp option

user manual

®

NCDrive / NCIPConfig interface-Parameter -Slow rate actual

Values

-Trends -Fault history

-

-

-

Ethernet switch

PLC or Programmable Controller

Real-Time Control-Start/Stop, Direction,...-Reference-Feedback

PLC or Programmable ControllerPLC or Programmable Controller

-

Master

-Start/Stop, Direction, ..-Reference-Feedback

Ethernet switch

!NOTE

http://www.vacon.com/

Modbus / TCP request

M

O

D

B

U

S

C

L

I

E

N

T

Transaction ID

Protocol ID

Unit identifier

Lenght field

Function

Data (variable length)

Modbus / TCP response

Transaction ID

Protocol ID

Unit identifier

Lenght field

Function

Data (variable length)

M

O

D

B

U

S

S

E

R

V

E

R

Modbus / TCP request

M

O

D

B

U

S

C

L

I

E

N

T

Transaction ID

Protocol ID

Unit identifier

Lenght field

Function

Data (variable length)

Modbus / TCP response

Transaction ID

Protocol ID

Unit identifier

Lenght field

Function

Data (variable length)

M

O

D

B

U

S

S

E

R

V

E

R

Document ID:

Rev. B

Manual authoring:documentation@vacon.com

Vacon Plc.Runsorintie 765380 VaasaFinland

Subject to change without prior notice© 2015 Vacon Plc. Sales code: DOC-OPTCI+DLUK

Find your nearest Vacon office on the Internet at:

www.vacon.com