It is used as an interface between the power circuits of the locomotives and the analogical inputs of the central computer. It converts electrical signal from the locomotive`s circuits to galvanic isolated, unified low level signals.
Inputs: U11= 0...500Vac U21= 0...140Vdc I11 = 0...7,5Aac I21 = 0...7,5Aac I31 = 0...20Adc Outputs: U12= 0...10Vdc U22= 0...10Vdc I12= 0...20mAdc I22= 0...20mAdc I32= 0...20mAdc