©
National Instruments Corp.
19
NI 9478 Operating Instructions and Specifications
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.......................... 16 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 (
V
sup
)........................... 0–50 VDC
Contin
u
o
u
s o
u
tp
u
t c
u
rrent (
I
0
)
1
, per channel
All channels on........................... 1.2 A max
Fo
u
r channels on ........................ 2.5 A max
One channel on........................... 5 A max
1
section for more information abo
u
t safe
operating c
u
rrent.
