SIMATIC S7-1200, Digital input SB 1221, 4 DI, 24 V DC 200 kHz, Sourcing input6ES7221-3BD30-0XB0 : Signal Board SB 1221, 4 DI 24VDC 200KHzSKU: 6ES72213BD300XB0Add to WishlistProduct ConditionBrand NewReturn & Refund Policyas per PA terms & conditionsShipping Infocost extra at the time of delivery