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16
ControlLogix Redundant Power Supply
Connect Power
ATTENTION
We recommend using #14 AWG (2.08 sq. mm) 75°C copper stranded wire to
connect power to each redundant power supply. The diagrams below show how to
connect power to the redundant power supply. Tighten the connection terminals to
a torque of 7 inch-pounds (0.79Nm).
Figure 15
1756-PA75R/A
(AC source wiring)
42662
1756-PB75R/A
(DC source wiring)
42662
IMPORTANT
Publication 1756-IN573C-EN-P - October 2003
Turn off power lines before connecting power; failure to do so
could cause injury to personnel and/or equipment. This
equipment must be provided with a disconnect on each
ungrounded conductor.
L1
Screws
L2/N
Screws
DC+
DC–
For recommendations on how to route the wiring in your
redundant power supply application, see page 17.
IMPORTANT: Tighten the screws on
(GND)
Do not use unmarked terminals.
(GND)
either side of the plug
to make sure it is
completely mated to
the power supply
through the life of the
product.
• If you are using AC source
wiring, only connect wires to
L1, L2/N and GND.
• If you are using DC source
wiring, only connect wires to
DC+, DC- and GND.
The DC source wiring to the
1756-PB75R supply must not
exceed 10 meters (32.8 feet).
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