Special modules
SIMATIC S7-1200 Battery Board BB 1297 for long-term buffering of the real time clock in the S7-12XX signal board receptacle.
SIMATIC S7-1200 SM1278 IO-Link module with 4xIO-Link Master.
SIMATIC S7-1200 SIM 1274 simulator module for SIMATIC CPU 1217C with input switches and configurable input types.
SIMATIC S7-1200 simulator module SIM 1274 with 8 input switches for DC 24V, intended for CPU 1211/1212.
SIMATIC S7-1200 SIM 1274 simulator module with 14 input switches for DC 24V, intended for CPU 1214/1215.
SIMATIC S7-1200 analog simulator SIM 1274 with 2 potentiometer inputs.