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I have a couple of YD8116 switching decoders connected to 22 Tortoise switch machines via YD6940 3 to 2 wire adapters.

At power on nearly all turnouts go to R (reverse) position even though when the layout was powered off they were in the N (normal) position.

I am using the YD7001 to power both YD8116s rather than separate power supplies. The really curious thing is that when I was using separate power supplies I don't recall them doing this!

The turnouts all operate properly when addressed via LocoNet and the feedback modules all correctly report the turnout positions via LocoNet.

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So my question is this: what determines the power on state of the turnouts when using the YD8116 and YD6940 when the YD8116 gets its power and track signal from the YD7001?

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On Tue, Apr 8, 2025 at 12:00 AM, Oldngrey wrote:

So my question is this: what determines the power on state of the turnouts when using the YD8116 and YD6940 when the YD8116 gets its power and track signal from the YD7001?

Basically "Aspect 0" but... there is an Update in Build 72 and higher that....



... has the "No Initialization" flag. Checking it, prevents the output to be switched to "default" on power-on.

From the same Update is this:


... right-clicking on the row-header allows to set the default-aspect. Note that also the "new" default will only switch if the "N Initialization" is unchecked.

Greets,
Karst

Karst,

I am glad I asked. I would never have found that option to set the default aspect to 16 which is where all of the turnouts show N aspect.

I tried it on one of the YD8116 modules and it worked.?

Thanks.

I've had to install the config software on my laptop as the main layout computer is too far from most of the modules. We do need a way of configuring non-booster modules that are scattered around the layout.