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Chapter 2 Installation Series 780S Instruction Manual
2-6 IM-78S-B
DC Power Wiring
The DC power wire size must be 26 to 16 AWG with the wire
stripped 1/4 inch (6 mm). Connect 18 to 30 VDC (625 mA load,
maximum) to the terminals marked PWR+ and PWR– on the terminal
block. Torque all connections to 4.43 to 5.31 in-lbs (0.5 to 0.6 Nm).
All EEx installations must use an approved EEx fitting at both cable
entries into the enclosure. If conduit seals are used, they must be in-
stalled within 18 inches of the enclosure.
1
2
15
16
DC Power (+)
DC Power (–)
NEMA 4X Enclosures
Figure 2-6. DC Input Power Connections
DC Power (+)
DC Power (–)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Hazardous-Area Enclosures
Figure 2-7. DC Input Power Connections
Warning!
All wiring procedures
must be performed with
the power Off.