©
National Instruments Corp.
17
NI 9472/9474
Typically, when a system is in sleep mode, yo
u
cannot
comm
u
nicate with the mod
u
les. In sleep mode, the system
cons
u
mes minimal power and may dissipate less heat than it does
in normal mode. Refer to the
section for more
information abo
u
t power cons
u
mption and thermal dissipation.
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. The specifications are the same for the NI 9472
and the NI 9474
u
nless otherwise noted.
Output Characteristics
N
u
mber of channels.......................... 8 digital o
u
tp
u
t channels
O
u
tp
u
t type ....................................... So
u
rcing
Power-on o
u
tp
u
t state ....................... Channels off
External power s
u
pply voltage range (
V
sup
)
NI 9472....................................... 6–30 VDC
NI 9474....................................... 5–30 VDC
