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Rockwell Automation Publication 750-TG101A-EN-P - June 2022
Chapter 6 Frame 7 Renewal Kits Installation
Main Control Circuit Board
Replacement
Replacement kit catalog number: SK-RT-MCB1-PF755
Remove the Main Control Circuit Board
Follow these steps to remove the main control circuit board.
1. Review the
.
2. Turn off and lock-out incoming power. See
.
3. Access the drive interior:
• For IP00, NEMA/UL Open Type, IP21, NEMA/UL Type 1, and flange,
NEMA/UL Type 4X/12 back enclosures, remove the drive cover. See
.
• For IP54, NEMA/UL Type 12 enclosures, open the enclosure door.
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. Loosen the screw that secures the HIM cradle to the pod chassis, and
rotate the cradle up to a 90° horizontal position.
8. 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.
5
4
6
=
Control Pod Shown Separated from the Drive for Clarity Only.
7
M3 x 6.4 mm
T15 or F - 5 mm (0.19 in.)
0.45 N•m (4.0 lb•in)
