National Instruments NI 9426 - Manual (Page 10)

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