SM 1221 DI

SM 1221 16DI 24VDC SIMATIC S7-1200 6ES7221-1BH32-0XB0

SIMATIC S7-1200, Digital input SM 1221, 16 DI, 24 V DC, Sink/Source

SM 1221 8DI 24VDC SIMATIC S7-1200 6ES7221-1BF32-0XB0

SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source