SIMATIC S7, analog input SM 331, isolated, 8 AI thermocouples/4 AI Pt100, for signals from the hazardous area, diagnostics-capable, PTB tested 1 x 20-pole
SIMATIC S7/PCS7, Digital output SM 322, 16 DO; 24 V DC / 0.5 A, diagnostics-capable, Wire break detection with 0 and 1 signal, 1 x 40-pole, Interface IM 153-2 required