Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control (PanelView 550) - Manual (Page 115)

Rockwell Automation Publication 7000-UM151E-EN-P - January 2013 115
Component Definition and Maintenance Chapter 3
Replacing a DC/DC Power Supply
Figure 88 - Replacing a DC/DC power supply
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 four (4) M6 (H.H.T.R.S.) so you can remove the DC/DC power
supply assembly from the low voltage panel (view 1).
4. Remove four (4) M4 (P.H.M.S.) and nylon shoulder washers from the
back of the mounting plate (view 2)
9 +5V_PWR (+5V,5A) +5V,5A/com1
10 DGND (com1) 0V/com1
11 EARTH earth ground
P4 – PWR (To
ACB)
PIN NO. LABEL DESCRIPTION ONLY
M4 (P.H.M.S.) and
nylon shoulder washer
Mounting Plate
Black Insulation
DC/DC
power supply
Part ID Label
M6 (H.H.T.R.S.)
VIEW “1”
VIEW “2”