EOL lifecycle — what it means for procurement
The 6ES7378-2AC00-0AC0: Quantities are lot-specific and confirmed at RFQ; no stock-holding claim is made here.
What the EXM378-3 does in an S7-300 rack
This is an expansion module (Erweiterungsbaugruppe) for the Siemens S7-300 PLC family, classified under PLC Expansion Modules. It extends the I/O capacity of the base rack, allowing additional digital or analog channels beyond the CPU's built-in count.