SIMATIC S7-400, digital output SM 422, isolated 32 DO; 24 V DC, 0.5 A with 0.15 ms output delay, diagnostics...
SIMATIC S7-400, digital output SM 422, isolated 16 DO; 5..230 V AC, 5 A relay...
SIMATIC S7-400, digital output SM 422, isolated 16 DO; 120/230 V AC, 2 A...
SIMATIC S7-400, digital output SM 422, isolated 32 DO; 24 V DC, 0.5 A...
SIMATIC S7-400, digital output SM 422, isolated 16 DO; 24 V DC, 2 A...