6ES7221-1BF32-0XB0,SM1221 8DI,Germany Siemens digital input module,24VDC NPN PNP PLC expansion,S7-1200 input card
We supply brand new original sealed Siemens 6ES7221-1BF32-0XB0 SM1221 digital input module, Made in Germany. 8-channel DC24V digital input, compatible with Sink/Source(NPN/PNP) wiring, single channel 4mA input current, input filter delay adjustable 0.2~12.8ms by TIA Portal, optocoupler isolation between field circuit and internal bus, IP20 protection, standard DIN35 rail mounting, fully compatible with full S7-1200 CPU series(1211C/1212C/1214C/1215C/1217C). 12-month factory warranty, spot stock available, support global shipment & bulk wholesale order。