SIMATIC S7-1200, Digital I/O SM 1223, 8 DI/8 DO, 8 DI 24 V DC, Sink/Source, 8 DO, transistor 0.5 A6ES7223-1BH32-0XB0 : Digital I/O SM 1223, 8 DI / 8 DOSKU: 6ES72231BH320XB0Programming support? (optional)0/500Quantity*Add to WishlistProduct ConditionBrand NewReturn & Refund Policyas per PA terms & conditionsShipping Infocost extra at the time of delivery