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Offline bobgiam  
#1 Posted : 24 July 2020 19:27:31(UTC)
bobgiam

United States   
Joined: 11/07/2020(UTC)
Posts: 1
Location: North Carolina, Asheville
I can not seem to finding regarding how to connect an ESU Ecos controller to Marklin C track. Is there a polarity issue?
Offline scraigen  
#2 Posted : 24 July 2020 20:03:59(UTC)
scraigen


Joined: 29/01/2009(UTC)
Posts: 232
Location: Sheffield,
As Märklin expects AC then polarity should not be an issue, I would put positive to the centre as that would allow other electrical items to use the rails as a common ground.
Must build something
Offline JohnjeanB  
#3 Posted : 24 July 2020 21:21:25(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 993
Location: Paris, France
Originally Posted by: bobgiam Go to Quoted Post
I can not seem to finding regarding how to connect an ESU Ecos controller to Marklin C track. Is there a polarity issue?

Hi
Yes sort of with some decoders. Many switch decoders must have their "polarity" respected and otherwise will not function.
Märklin C Track have spade connectors marked B and O
On the ECOS side look at §6 of manual http://www.esu.eu/uploads/tx_es..._edition_II_eBook_01.pdf
You have two 2-pole connectors with O and B markings. One of the connector is for programming track and the other one for the main track.

So for main track you pick the appropriate connector and connect B on ECOS with B on track and O on ECOS with O on C track

Note: all recent loco don't care about "polarity by older switch decoders do

Cheers
Jean

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latest vid
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thanks 4 users liked this useful post by JohnjeanB
Offline H0  
#4 Posted : 27 July 2020 10:16:35(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 13,785
Location: DE-NW
Hi!
Originally Posted by: bobgiam Go to Quoted Post
I can not seem to finding regarding how to connect an ESU Ecos controller to Marklin C track.
Try page 6 of the ECoS manual (page number may vary for different editions). Instructions for three-rail track apply to M track, C track, and K track.

Originally Posted by: bobgiam Go to Quoted Post
Is there a polarity issue?
Yes. The track current is not symmetric AC and polarity matters. Red or B have to go to the centre rail.

Regards
Tom
---
"In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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