NI 9472/9474
18
ni.com
O
u
tp
u
t impedance (
R
0
)
Typical ........................................ 0.07
Ω
Maxim
u
m ................................... 0.13
Ω
Contin
u
o
u
s o
u
tp
u
t c
u
rrent (
I
0
), per channel
NI 9472....................................... 0.75 A max
NI 9474....................................... 1 A max
O
u
tp
u
t voltage (
V
0
)
........................... V
sup
– (
I
0
·
R
0
)
I/O protection
Voltage........................................ 30 VDC max
Reversed voltage ........................ None
Short-circ
u
it behavior
Short-circ
u
it trip time ................. 10
μ
s at 13 A
Current
Channel Behavior
Module Protection
0 to 1 A
Channel does not trip
Mod
u
le is not damaged
1 to 6 A
Channel does not trip
Mod
u
le may be damaged
6 to 13 A
Channel may trip
Mod
u
le may be damaged
>13 A
Channel trips
Mod
u
le is not damaged
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