SIPLUS CMS1200 SM1281 Condition Monitoring for SIMATIC S7-1200. 4 IEPE vibration channels and 1 digital input for speed measurement. The SIMATIC S7-1200 Basic Controller is flexible due to its various communication options. The Condition Monitoring module SM 1281 is used for monitoring the condition of equipment such as motors, generators, pumps, fans, centrifuges, and compressors. This allows for early detection of mechanical damage, enabling planned maintenance instead of spontaneous repairs.