Wiring power for TMCC ARC Module 6-14181.

John R (Bob) KeltyOGR Forum Member DIGITAL SUBSCRIBER

I have a TMCC Action recorder module 6-14181

The manual says not to ground the U terminal of the input power connection but I want to know why not? It works fine on a wall transformer but I would rather use another transformer I already have in place that has U connected to outside rail (ground for my entire layout). Any schematic available that I could view so I can figure out why I shouldn't ground the U input would help a lot. Thanks.

Text quoted from the manual:

1. Attach a wire to the Common/Ground/U terminal on your transformer and connect it to the

POWER/U terminal on the ARC.
Note! Do not connect this terminal to the outside rail.

10/3/2211:48 AM

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