Rockwell Automation 20B PowerFlex 700 Drive Components Replacement - Frame 8 - Manual (Page 38)

38 Rockwell Automation Publication 20B-IN024C-EN-P - June 2012
Chapter 3 Component Replacement Procedures
3. Remove the 20-Comm-x board (if used):
a. Disconnect the ribbon cable between the 20-Comm-x Board and
T-Comm board; disconnect only from the T-Comm board.
b. Remove and save the four mounting screws.
4. If the 20-Comm-x board is not used, remove the screw securing the
T-Comm grounding tab.
5. Place the tip of a flathead screwdriver between the T-Comm grounding tab
and screw mount.
Gently pry up until the grounding tab is in an upright position or about 90
degrees from the screw mount.
6. If needed, use the same flathead screwdriver tip to pry the seven locking
tabs away from the T-Comm board.
7. Remove the T-Comm board from the main control board.
T-Comm grounding tab screw T-Comm grounding tab flat T-Comm grounding tab upright
T-Comm Board Locking Tab Locations
Five locking tabs are on the back side of the main control board (above); two are on the front side in the area between
the optional HIM and 20-Comm-x board slots (upper right).
NOTE: Use a flathead screwdriver tip to pry the locking tabs away from the T-Comm Board (lower right).