SIMATIC S7-400, digital output SM 422, isolated 32 DO, 24 V DC, 0.5 A with 0.15 ms output delay, diagnostics.
6ES7422-7BL00-0AB0 – SIMATIC S7-400, Digital output SM 422, 32 DO, 24 V DC, 0.5 A with 0.15 ms output delay
SIMATIC S7-400, digital output SM 422, isolated 32 DO, 24 V DC, 0.5 A with 0.15 ms output delay, diagnostics