Discrete Input Module Model no:- IC697MDL653H Inputs per module :- 32 Isolation :- 1500 volts-any input to backplane, 500 volts between input groups Input voltage range :- -3 to +30 volts DC Input Current :- 10mA(typical) at rated voltage Input Impedance :- 2.6k ohm, typical Current required from 5V Bus :- 0.30 amp VME :- System designed to support the VME standard C.1