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Rockwell Automation Publication 20P-TG004C-EN-P - September 2021
91
Access Procedures
Chapter 3
Overvoltage Clipping Circuit
Board Removal and
Installation
Remove the Overvoltage Clipping Circuit Board
1.
Read the General Safety Precautions on page
.
2.
Remove power from the drive. See Remove Power from the Drive on page
.
3.
Open the control panel. See Open the Control Panel on page
4.
Disconnect the wires from connectors XCD, X1UVW1 and XUVW on
the overvoltage clipping board.
5.
Disconnect the resistor wires from connectors XR-1…XR-6 on the
overvoltage clipping board. Note: On older boards, these connections are
soldered directly to the board. In this case, unsolder the connections.
6.
Remove the seven hexalobular screws and washers that secure the
overvoltage clipping board to the drive frame and remove the board.
IMPORTANT
Mark all connections and wires before removal to avoid incorrect
wiring during reassembly.
XCD
X1UVW1
XUVW
F31
F21
F11
XCD
X1UVW1
XUVW
F31
F21
F11
XR-5
XR-4
XR-3
XR-2
XR-1
C5gn
C4blu
C7gn
C7blu
XR-6
T15
Tightening torque:
1.0…1.2 N
•
m
(9…10.5 lb
•
in)
6
4
5
Newer overvoltage clipping board
Older overvoltage clipping board