Was mounted on a Heidenhain EQI 1125.020-16 (ID 598 412-04) encoder
The Siemens SINAMICS SMI20 is a DRIVE-CLiQ motor feedback interface module used within SINAMICS drive systems for advanced motion control applications. It enables precise transmission of position, speed, and motor identification data between encoders or resolvers and the drive via the digital DRIVE-CLiQ communication protocol. This interface integrates power, signal, and electronic rating plate data into a single connection, simplifying wiring and commissioning. The SMI20 supports automatic device recognition and topology configuration, ensuring efficient setup and diagnostics. Designed for industrial environments, it delivers reliable communication, reduced installation complexity, and consistent performance in CNC, servo drive, and automation systems.