SIMATIC S7/PCS 7, SM 321 DIGITAL INPUT, 16 DI, DC 24/125V, 1 X 40-PIN FRONT CONNECTOR WITH WIRE BREAK DIAGNOSIS HARDWARE INTERRUPT DIAGNOSTICS
SIMATIC S7/PCS 7, SM 321 DIGITAL INPUT, 16 DI, DC 24/125V, 1 X 40-PIN FRONT CONNECTOR WITH WIRE BREAK DIAGNOSIS HARDWARE INTERRUPT DIAGNOSTICS