What module does PM stand for in Siemens PLC? The meaning of PM in Siemens PLC
Meaning of PM in Siemens PLC:Siemens PLC PM is called the load power supply, it has no backplane bus, is not connected to the CPU and expansion module of the PLC, its role is to supply power to the control circuit of the PLC.
IT SHOULD BE POWER MODULE, POWER MODULE, POWER SUPPLY TO CPU AND OTHER MODULES, GENERALLY 220V TO 24V, 5A/10A.