Article Number (Market Facing Number)：6ES72231QH320XB0 | 6ES72231QH320XB0
Product Description：SIMATIC S7-1200, Digital I/O SM 1223, 8 DI AC/8 DO RLY, 8 DI 120/230 V AC, 8 DO relay 2 A
Product family：SM 1223 digital input/output modules
Product Lifecycle (PLM)：PM300:Active Product