©
National Instruments Corp.
11
NI 9481 Operating Instructions and Specifications
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
Specifications
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.
Output Characteristics
N
u
mber of channels.......................... 4 electromechanical relay
channels
Relay type ......................................... Single pole single throw
(SPST)
Power-on o
u
tp
u
t state ....................... Channels off
