NI 9477 Operating Instructions and Specifications
12
ni.com
Specifications
The following specifications are typical for the range –40 to 70 °C
u
nless otherwise noted. All voltages are relative to COM
u
nless
otherwise noted.
Output Characteristics
N
u
mber of channels.......................... 32 digital o
u
tp
u
t channels
O
u
tp
u
t type ....................................... Sinking
Power-on o
u
tp
u
t state ....................... Channels off
O
u
tp
u
t voltage (
V
0
)
........................... I
0
· R
0
External power s
u
pply
voltage range..................................... 0–60 VDC
Contin
u
o
u
s o
u
tp
u
t c
u
rrent (
I
0
)
Per channel ................................... 1 A max, on
u
p to 20 channels
Mod
u
le
(s
u
m of all channels) .................. 20 A max
O
u
tp
u
t impedance (
R
0
) ..................... 0.065
Ω
max
Reversed-voltage protection ............. None
Short-circ
u
it protection..................... None
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