SiemensSimatic S7-1200 6ES7221-3AD30-0XB0

SIMATIC S7-1200, Digital input SB 1221, 4 DI, 5V DC 200kHz, Sourcing input SIMATIC S7-1200 Basic Controller - Flexible thanks to wide variety of communication options If you only have to extend your SIMATIC S7-1200 CPU with a few inputs or outputs, signal