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Connecting Power
WARNING
Use #14 AWG 75°C copper wire to connect power. Follow these steps for each wire
(i.e. high side, low side and ground) to connect power:
1. Turn the screw counterclockwise to open the wiring terminal.
2. Insert the wire into the terminal.
3. Turn the screw clockwise to tighten the terminal on the wire.
Figure 7
IMPORTANT: The third
terminal from the top is
not used on the
1756-PA75 or 1756-PB75
power supply.
4. Tighten the terminals to a torque of 7 inch-pounds (0.8Nm).
If you connect or disconnect wiring while the field-side power is
on, an electrical arc can occur. This could cause an explosion in
hazardous location installations. Be sure that power is removed or
the area is nonhazardous before proceeding.
1756-PA75/B
1756-PB75/B
ControlLogix Power Supplies
43894
Publication 1756-IN596A-EN-P - December 2004
L1 - high side of line power
L2/N - low side of line power
+ – high side of line power
- – low side of line power
43632
11
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