NI 9426 Operating Instructions and Specifications 10 ni.com
Input type.......................................... Sourcing
Digital logic levels
OFF state
Input voltage1.......................≥ (Vsup – 5 V)
Input current.........................≤150 μA from DI pin
ON state
Input voltage1.......................≤ (Vsup – 10 V)
Input current.........................≥ 330 μA from DI pin
Hysteresis
Input voltage........................ 1.9 V min
Input current.........................65 μA min
Input impedance................................30 kΩ ±5%
I/O protection (Vsup-to-channel)
Input voltage...............................30 V max
Reverse-biased voltage...............–30 V max
1 Vsup is the external power supply voltage.