Article: KB-12038
Hot Fix:
Troubleshoot unresponsive PLC-controlled conveyors with TopHat IOs (Walmart sites).
Skill required to complete this article: Controls and level is Beginner.

Question/Problem:

Site reported conveyance PLC-controlled lines not running and all electrical checkouts have been performed.

This has been identified as a well known fix for the MBP area at DC 6027 (Woodland, PA).

Environment:

Schneider Electric, PLC, Modicon M340, Control Expert, Proworx32, TopHat.

Answer/Solution:

1.- Power off the affected Control Panel.

2.- Identify the affected TopHat module(s).

3.- Leave the CP off for 5 mins solid.

4.- Have site reseat the comm adapter. Make sure it is reseated all the way in.

Site will need a small flathead screwdriver for removal.

Disassembly:

Assembly:

5.- Power up the CP and test.

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Published on 12/12/2023.
Last Modified on 12/12/2023.
Last Modified by Rodolfo Aguilar.
Article has been viewed 121 times.
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