6ES7221-1BH32-0XB0,SM1221 16DI,S7-1200 digital input module,24VDC NPN PNP input card,Siemens PLC expansion module
We supply brand new original sealed Siemens 6ES7221-1BH32-0XB0 SM1221 digital input module, 16-channel DC24V universal input supporting Sink/Source(NPN/PNP) wiring, per channel 4mA input current, input filter delay adjustable 0.2~12.8ms in groups of 4 channels, optoelectronic isolation between field and internal bus, IP20 protection, standard DIN35 rail installation, fully compatible with all S7-1200 CPU series, programmed by TIA Portal, 12-month factory warranty, spot goods support global shipment and bulk order cooperation。