© National Instruments Corp. 7 NI 9481 Operating Instructions and Specifications
Connecting the NI 9481The NI 9481 has a 10-terminal detachable screw-terminal connector
that provides connections for 4 electromechanical relay channels.
Figure 2. NI 9481 Terminal Assignments
03
0
1
2
3
4
5
6
7
8
9
CH0a
CH0b
CH1a
CH1b
CH2a
CH2b
CH3a
CH3b
NC
NC