spare part SIMATIC S7-200 CN, Digital I/O EM 223, only for S7-22X CPU, 16 DI 24 V DC, sink/source, 16 DO relay, 2 A/channel this S7-200 CN product only has CE approval
6ES7223-1PH22-0XA0 Siemens S7-200, DIGITAL I/O EM 223, 8DI 24V DC, 8DO RELAY simatic s7-200, digital i/o em 223, for s7-22x cpu only, 8di 24v dc, sink/source, 8do relay, 2a/point
6ES7223-1BH32-0XB0 - SIMATIC S7-1200, Digital I/O SM 1223.
SIMATIC S7-1200, Digital I/O SM 1223, 8 DI/8 DO, 8 DI 24 V DC, Sink/Source, 8 DO, transistor 0.5 A.