Rockwell Automation Publication 750-TG101A-EN-P - June 2022
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Chapter 4 Frames 1…5 Renewal Kits Installation
Main Control Circuit Board
Replacement, Frames 2…5
Replacement kit catalog number: SK-RT-MCB1-PF755, SK-RT-MCB1-PF755-XT
Remove the Main Control Circuit Board, Frames 2…5
Follow these steps to remove the main control circuit board.
1. Review the
.
2. Turn off and lock-out incoming power. See
.
3. Remove the appropriate cover from the drive:
• For IP20, NEMA/UL Open Type, IP20, NEMA/UL Type 1, and flange,
NEMA/UL Type 4X/12 back enclosures, remove the power terminal
cover. See
Remove the Power Terminal Cover, Frames 1…5 on page 35
• For IP54, NEMA/UL Type 12 enclosures, remove the drive cover. See
Remove the IP54, NEMA/UL Type 12 Cover, Frames 2…5 on page 37
4. If used, disconnect the DPI cable from the connector on the bottom of
the HIM cradle.
5. Disconnect any cables from the Ethernet connectors on the bottom of the
main control board in the control pod.
6. If used, disconnect the plug-in terminal block (TB1) on the bottom of the
main control board.
7. If an option module is installed, disconnect any I/O wiring terminal
blocks and remove the option module (not shown in this image).
If a cable is not connected to the DPI port on the HIM cradle, be sure to leave the
protective cover installed.
=
Control Pod Shown Separated
from the Drive for Clarity Only.
5
6
4
