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Replacement procedure for dc/dc power supply – Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C-Frame) - ForGe Control User Manual

Page 347

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Rockwell Automation Publication 7000L-UM301D-EN-P - June 2014

347

Component Definition and Maintenance

Chapter 5

Replacement Procedure for DC/DC Power Supply

(Refer to

Figure 288

)

1.

With the drive energized, check that all output voltages are present.
(View 1)

2.

De-energize the drive, isolate and lock out the control power, and remove
all wire connections from the unit. (View 1)

3.

Remove quantity of four M6 (H.H.T.R.S.) that will allow the DC/DC
Power Supply Assembly to be removed from the Low Voltage Panel.
(View 1)

4.

Remove quantity of four M4 (P.H.M.S.) and Nylon Shoulder Washers
from the back of the Mounting Plate. (View 2)

5.

Replace old DC/DC Power Supply with the new one. NOTE: Make sure
the Black Insulation is between the DC/DC Power Supply and the
Mounting Plate. Repeat Steps 4, 3, 2, 1 in this order to replace unit.
(View 2)

6.

Ensure the ground wire of P4 plug is connected to the ground by M10
bolt.

Figure 288 - Replacement of DC/DC Power Supply

DC Power good indicator light

M6 (H.H.T.R.S.)

VIEW “1”

DC/DC

power supply

Part ID label

VIEW “2”

Black insulation

Mounting plate

M4 (P.H.M.S.) and

nylon shoulder washer