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FP-AI-112 and cFP-AI-112 4 ni.com
You can use an external power supply to power field devices.
Connect the positive lead of the external power supply to both
V terminals and the negative lead to both C terminals. Ensure that
the current through both V terminals can never exceed 2 A.
Install 2 A maximum, fast-acting fuses between the external power
supply and the V terminals. The wiring diagrams in this document
show fuses where appropriate.
Table 1 lists the terminal assignments for the signals associated
with each channel. The terminal assignments are the same for the
FP-TB-x terminal bases and the cFP-CB-x connector blocks.
Table 1. Terminal Assignments
Channel
Terminal Numbers
V
IN
V
SUP
COM
0 1 17 18
1 2 17 18
2 3 19 20
3 4 19 20
4 5 21 22
5 6 21 22
6 7 23 24
7 8 23 24
8 9 25 26
9 10 25 26
10 11 27 28
11 12 27 28
12 13 29 30
13 14 29 30
14 15 31 32
15 16 31 32