Rockwell Automation PF700 PowerFlex 700 Drive Components Replacement - Frame 9 - Manual (Page 38)

38 Rockwell Automation Publication 20B-IN025B-EN-P - January 2011
Chapter 3 Component Replacement Procedures
T-Comm Board See Chapter 1 - Drive Components to locate the component detailed in these
instructions.
Remove Components
1. Read and follow the Safety Precautions on page 8 and Important Initial
Steps on page 10 .
2. Remove the Main Control Board:
a. Remove the HIM board from its slot (if used).
b. Disconnect the ribbon cable from the Main Control Board (connects
to J1on Power Interface Board).
c. Disconnect the wiring connector from the Main Control Board
(connects to 8-pin serial port in the lower-right corner of Main Control
Board panel).
d. Remove and save the grounding-wire screw (connects to PE on TB11).
e. Remove and save the two mounting screws for the Main Control Board.
f. Remove the Main Control Board.
3. Remove the 20-Comm-C Board (if used):
a. Disconnect the ribbon cable between the 20-Comm-C Board and T-
Comm board; disconnect only from the T-Comm board.
HIM Board slot
Mounting Screw
Optional 20-Comm-C Board Detail
Ribbon Cable Connector
Grounding-Wire Screw
Wiring Connector
Ribbon Cable Connection to T-Comm Board
Mounting Screws (4)
Mounting Screw