Configuring The Rs485/Rs232 Cm01 Communications Signal Board - Siemens SIMATIC S7 System Manual

PLC device configuration
6.1 Configuring the operation of the PLC system
6.1.14

Configuring the RS485/RS232 CM01 communications signal board

Click the CM01 communications signal board node of the system block (Page 133) dialog to
configure options for an RS485/RS232 CM01 communications signal board that you have
selected in the top section.
Note
The CPU models CPU CR20s, CPU CR30s, CPU CR40s, and CPU CR60s do not support
the use of expansion modules or signal boards.
CM01 signal board type configuration
You configure the CM01 signal board type from the dropdown list, choosing one of the
following options:
● RS485
● RS232
Address
Click the scroll buttons to enter the desired port address (1-126), for the RS485 or RS232
port: The default port address is 2.
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System Manual, V2.3, 07/2017, A5E03822230-AF
S7-200 SMART