Siemens 6ES7972-0AA01-XA0, RS485 interface module, PLC Expansion Module, 0.25 kg.
| Parameter | Value |
|---|---|
| Weight | 0.25 kgs |
The Siemens 6ES7972-0AA01-XA0 is an RS485 interface module, classified under PLC Expansion Modules within the PLCs & HMIs category. It provides a serial communication link for Siemens automation systems, allowing a controller to talk to drives, remote I/O, or operator panels over a standard RS485 bus.
The peer 6ES7307-1KA01-0AA0 is a different module (a power supply, not an RS485 interface) and will not drop into the same slot or function. The 6ES7972-0AA01-XA0 is the correct RS485 communication module for the S7-300 family; there is no direct second-source substitute listed. Source this exact order code.
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