ABB ControlMaster CM10 Manual page 12

Universal process controllers, 1/8, 1/4, 1/2 din and fieldmount

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ControlMaster CM10, CM15, CM30, CM50, CMF160 and CMF310

Universal process controllers and indicator,

...Communication

MODBUS TCP Setup Note. After changing any of the TCP parameters it is advisable to power-cycle the instrument to

Implementation

Port

Connections

Client Authority

Client 1 (to 3) IP

ensure changes are applied.

Select the MODBUS TCP operation mode:



Off – MODBUS TCP disabled



Server – instrument acts as a MODBUS slave

Displays the TCP/IP port used by the MODBUS TCP network (fixed at 502).

Select the maximum number of simultaneous TCP/IP connections permitted – minimum 1,

maximum 3.

Select the number of authorized TCP/IP connections permitted:

Selected from:



Unrestricted – any MODBUS TCP client device is permitted to poll the instrument



1 (to 3) – Only the MODBUS TCP client device whose IP address is entered in the

authorized Client 1 (to 3) IP parameter (below) is permitted to poll the instrument.

Enter the IP address(es) of the MODBUS TCP Client (MODBUS Master) device(s) permitted to poll

the instrument for data.

Note. Displayed only if the Client Authority parameter (above) is not set to Unrestricted.

DIN and fieldmount

4 Communication Level

IM/CM/C–EN Rev. H

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