Remove and Install the Main Control Circuit Board (Standard) for Frames 8...15

Replace a main control circuit board with kit catalog number SK-RM-MCB1-PF755. Follow these steps to remove and install the main control circuit board.
  1. Review the product advisories in Before You Begin.
  2. Remove power from the system.
  3. Open the enclosure door.
  5. Loosen the screw that secures the human interface module (HIM) cradle to the pod chassis, and rotate the cradle up to a 90° horizontal position.
  6. Disconnect the terminal block (A) for the HIM wire harness from the connector on the main control board.
    How to open the human interface module (HIM) cradle on a standard control pod and disconnect the HIM wire harness from the back side of the cradle
  7. TIP: The control pod chassis is shown removed from the enclosure for clarity only.
  8. Disconnect the HIM plug-in terminal block (B) for the mini-DIN connector on the control board.
  9. Disconnect any Ethernet cables from the Ethernet ports (C) on the bottom of the main control board.
  10. Disconnect the plug-in terminal block TB1 (D) on the bottom of the main control board.
    example of the control pod Ethernet ports, terminal block TB1, and mini-DIN connector location on the standard main control circuit board
  11. Record any settings made on these main control board selectors or jumpers (E):
    • Control selector
    • Embedded
      EtherNet/IP™
       address selectors
    • Safety enable jumper
    • Hardware enable jumper
  12. Loosen the three captive thumb screws that secure the main control board to the pod chassis and remove the board.
    example of how to remove the standard main control circuit board from the control pod
    TIP: The HIM cradle is not shown for clarity only.
  13. Install the main control circuit board in the reverse order of removal.
  14. Make any necessary changes to the settings on these main control board selectors or jumpers:
    • Control selector
    • Embedded
      EtherNet/IP™
       address selectors
    • Safety enable jumper
    • Hardware enable jumper
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