FP-DI-330 and cFP-DI-330
4
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You can use a 5–250 VDC 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.
If you are using the cFP-DI-330 in a
hazardous voltage
application, you must use the cFP-CB-1 connector block or a
suitable hazardous voltage cable. A hazardous voltage is a voltage
greater than 42.4 V
peak
or 60 VDC.
Caution
Ensure that hazardous voltage wiring is
performed only by qualified personnel adhering to local
electrical standards.
Caution
Do
not
mix circuits with hazardous voltages and
human-accessible circuits on the same module.
Caution
Cascading power between two modules defeats
isolation between those modules. Cascading power from
the network module defeats all isolation between
modules in the FieldPoint bank.
Table 1.
Terminal Assignments
Channel
Terminal Numbers
IN
a
IN
b
V
SUP
COM
0
1
2
17
18
1
3
4
19
20
2
5
6
21
22
3
7
8
23
24
4
9
10
25
26
5
11
12
27
28
6
13
14
29
30
7
15
16
31
32
