NI 9426 Operating Instructions and Specifications
10
ni.com
Inp
u
t type .......................................... So
u
rcing
Digital logic levels
OFF state
Inp
u
t voltage
1
.......................≥ (
V
sup
– 5 V)
Inp
u
t c
u
rrent
.........................≤
150
μ
A from DI pin
ON state
Inp
u
t voltage
1
.......................≤ (
V
sup
– 10 V)
Inp
u
t c
u
rrent
.........................≥
330
μ
A from DI pin
Hysteresis
Inp
u
t voltage ........................ 1.9 V min
Inp
u
t c
u
rrent......................... 65
μ
A min
Inp
u
t impedance................................ 30 k
Ω
±5%
I/O protection (V
s
u
p
-to-channel)
Inp
u
t voltage............................... 30 V max
Reverse-biased voltage ............... –30 V max
1
V
s
u
p
is the external power s
u
pply voltage.
