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Rockwell Automation 1771-P3_P4_P5_P5E Power Supply Modules Installation Instructions User Manual

Page 10

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Power Supply Modules

10

Publication 1771ĆIN073A-EN-P - March 2002

!

ATTENTION

Turn the power supply off before inserting into the

chassis. Turn off power to the I/O chassis before
inserting into the chassis.

Failure to remove power from the backplane
could cause module damage, degradation of
performance, or injury.

Failure to remove power from the backplane
could cause injury or equipment damage due to
possible unexpected operation.

1. Turn off power to the I/O chassis

2. Turn the power supply module power switch OFF.

3. Identify the slot location of the chassis into which the power

supply will be installed.

4. Place the printed circuit board on the rear of the module into the

plastic tracks on the top and bottom of the I/O chassis which
guide the module into the chassis.

5. Do not force the module into the backplane connectors. Apply

firm, even pressure on the module to seat it properly.

6. Snap the chassis latch over the top of the module to secure its

position.

7. Make power connections as described in “Making Input Power

Connections” below.

Making Input Power Connections

When making input power connections, use 14AWG, 75

o

C copper

wire.

Connecting the 1771-P3 and -P4 Power Supplies

1. Remove the protective cover from the terminal block by

squeezing the prongs and lifting the protective cover.

2. Connect the L1 (high) line to the top (L1) connection on the

terminal block.

3. Connect the neutral (low) line to the middle (N) connection on

the terminal block.

4. Connect the bottom terminal labeled GND to the ground bus

(equipment ground).

5. Tighten terminal block screws to 7 pound–inches (0.5Nm).

6. Replace the protective cover on the terminal block.