Issue:
It is not configurable to be used with RS232.
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When I try to change the Serial Port on the Momentum CPU from RS485 to RS232, the configuration is grayed out in Control Expert (Unity Pro).
Product Line:
Momentum PLC
Momentum PLC
Environment:
Control Expert v14.0 and above
Unity Pro XL V13
Control Expert v14.0 and above
Unity Pro XL V13
Cause:
The serial port can not be changed from RS485 to RS232.
The serial port can not be changed from RS485 to RS232.
Resolution:
Serial Channel 1 on the Momentum CPU modules 171 CBU 78090, 171 CBU 98090 and 171 CBU 98091 is a static RS485 port.It is not configurable to be used with RS232.
If this FAQ did not solve your issue, you can chat with us at chat with us or e-mail us at customer.services@se.com to create a case with our Technical Support Team.
If you are not located in North America, please contact your local Customer Care Center for assistance:
Support | Schneider Electric Global (se.com)
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