Siemens – 7MJ1221-8BC – Vibration / Sensor / Signal Module

The Siemens 7MJ1221-8BC is a functional module intended for vibration measurement, displacement sensing, or sensor signal interfacing in industrial automation systems. It is often used in motion control, monitoring, or diagnostic setups. This unit has been used (specify condition) and is suitable as a replacement or spare part for compatible systems.