PM5320 and PM5340 meter not communicating

Issue
PM5320 and PM5340 meter not communicating. The Meter doesn't communicate with Modscan tool or ION Setup.

Product Line
PM5320
PM5340

Environment
Ethernet Communications

Resolution
As per Modbus TCP/IP standards unit id for standalone meter will be 255.  The unit id of PM5320 and PM5340 meter is 255 and it cannot be changed.

Note: The Slave Id of PM5320 and PM5340 cannot be changed.