Siemens 6ES7 223-1BL22-0XA0 EM223 is a 24 V DC digital input/output module designed for SIMATIC S7-200 PLCs, providing 16 digital inputs and 16 digital outputs in a single EM223 unit. The inputs accept 24 V DC signals with compatibility for sink- or source-type configurations, while the outputs are 24 V DC and rated at up to 0.75 A per channel, enabling direct control of sensors and actuators. Used to expand the digital I/O capacity of S7-200 CPUs, EM223 supports 24 VDC signaling across all channels for compact automation tasks and is commonly paired with CPU models in the S7-200 family.
