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5 replies

Will not run-Ground Plane Problem?

B BReeceOGR Forum Member

On the upper loop, I have a GP 35 (6-38865). It will Power up (?), head light and cab lights come on and that is all.  No sound, no bell, no smoke. Lights are not flickering. The VL Big Boy runs great on this loop as does a VL Hudson, not the GP 35 (legacy) I have reloaded the module.

 

There is a Ground Plane problem on the lower loop, the GP 35 acts the same on it, VL Hudson has flickering lights but will fire up and work somewhat.

 

Could the Ground Plane stop the engine from firing up?

 

I am working on the Ground Plane without much success but will keep at it. Yes, I have read numerous comments about Ground plane on the forum as well as watched Mike Reagan video. 

 

To say this Ground Plane is a problem for me is an understatement

 

Appreciate any and all comments

 

Brent

Last edited by BReece
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Pine Creek RailroadPine Creek RailroadOGR Forum Member

BReece,

    Try Grounding both outside rails for your best Legacy signal.  If you are running DSC with Legacy, run one legacy base line to the opposite outside rail of your DCS set up, then run your legacy base connection to every outside black TIU channel connection, if this does not clean up your signal problem, it maybe that your engine has a problem of it's own.

PCRR/Dave

Last edited by Pine Creek Railroad
winrose46winrose46OGR Forum Member

Make sure the ground plane wire is solidly connected to an earth ground (eg water pipe that goes outside).  Also note that engines do not respond in the same way regarding a degraded signal as a result of an insufficient ground. That was what drove me to distraction. Going from the least sensitive to most sensitive: tmcc engines without cruise, tmcc engines with cruise, long steamers, long diesels, short diesels and short steamers - then Legacy engines.  Legacy engines have the most sensitivity to the signal because Legacy engines need complete data packets before responding.  For me the largest difference between DCS and Legacy, is that for DCS when a signal is lost the engine will continue at the last commanded speed. TMCC/Legacy will stop when they encounter a degraded signal.  When running multiple trains on the same track, Legacy trains might stop if a signal is degraded and might cause a collision.

R rtraincollectorOGR Forum Member

Brent maybe you need to start over with the bottom loop get all going fine there with all your engines then try hooking up your upper level as it could be something you wired wrong and just don't see it. 

 

I remember on one of the forums I go to and not sure which that a person had one legacy system and accidentally had the grounds reverse on the two different loops. Can't remember all the problems but seems like it kinda ran on one loop but not the other.   

 

Basically if your only using one unit make sure your in phase with your ground 

Last edited by rtraincollector

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