6ES7221-1BH22-0XA0, Siemens, SIMATIC S7-200 EM 221, 16 digital inputs 24 V DC
6ES7221-1BH22-0XA0 Siemens SIMATIC S7-200 EM 221 is a digital input module for SIMATIC PLC S7-200: 16 digital inputs 24 V DC. Designed for expanding and servicing existing assemblies S7-200.