The Siemens 6AU1-121-3CA00-1AA0 is a SIMOTION Technology Module, classified as a PLC Expansion Module within the PLCs & HMIs category. It's designed to integrate into a SIMOTION automation system, handling motion-control tasks that a standard CPU alone doesn't cover — think coordinated axis moves or cam profiles on a packaging or machine-tool line.
Siemens 6AU1-121-3CA00-1AA0 SIMOTION Technology Module, PLC
MPN6AU1-121-3CA00-1AA0
Siemens SIMOTION Technology Module, 6AU1-121-3CA00-1AA0, PLC Expansion Module, 1.60 kgs.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 1.60 kgs |
Product details
Frequently asked questions
Will 6AU1-121-3CA00-1AA0 drop into a panel specified for 6ES7307-1KA01-0AA0?
No — the 6ES7307-1KA01-0AA0 is a power supply, not a technology module. They serve different functions and won't share a mounting footprint or backplane connection.
MPN
6AU1-121-3CA00-1AA0