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

Page 131

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Rockwell Automation Publication 7000A-UM200C-EN-P - June 2014

131

Component Definition and Maintenance

Chapter 3

Replacement Procedure for DC/DC Power Supply

(Refer to

Figure 109

).

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.

Ensure the Black Insulation is between the DC/DC Power Supply and
the Mounting Plate. Repeat steps 4 through 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.

8

-15V_PWR (-
15V,1A)

-15V, 1A/com1

9

+5V_PWR
(+5V,5A)

+5V, 10A/com1

10

DGND (com1)

0V/com1

11

EARTH

earth ground

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