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Problem with three-way turnout - Problem with märklin 24630 three-way turnout in TrainController
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Offline tgj  
#1 Posted : 02 April 2025 16:32:03(UTC)
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tgj

Denmark   
Joined: 02/03/2025(UTC)
Posts: 12
Location: Rinkenæs, 6300 Gråsten
The Märklin 24630 three-way turnout, which uses two digital addresses (one for each motor), operates correctly via the Central Station 3 (CS3), but does not respond correctly when controlled through TrainController Gold via network. It will only operate the left turnout.

I have configured two different consecutive addresses in TrainController.

I have tested both addresses in TrainController with two standard turnouts, and they work fine.

Thorben
Thorben Jensen - Denmark
CS3+, Märklin HO
TC Gold Version 10.0 B3, 64 bit
Windows 11 Home
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Offline JohnjeanB  
#2 Posted : 02 April 2025 18:36:48(UTC)
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JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,550
Location: Paris, France
Hi Torben
Here a Rocrail user with a CS3 and plenty of 3 way switches (24630 in C Track).
I don't know TC gold but here is the little I know
- Märklin is a must-comply-with even for TC Gold (TC Gold must handle this kind of switches perfectly).
- the order of solénoïds are imposed by the CS3 so if the CS3 drives correctly the 3-way switches, then you are fine (nothing to change on the CS3, the address of the 3 Way decoder
- it all has to do with the way you declare the 3 Way switch on TC Gold (address left, address right) and possibly inverting the logical way (straight becomes deviated and vice-versa

So you are almost there
Cheers
Jean
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Offline tgj  
#3 Posted : 03 April 2025 04:06:09(UTC)
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tgj

Denmark   
Joined: 02/03/2025(UTC)
Posts: 12
Location: Rinkenæs, 6300 Gråsten
Hi Jean,

Thank you very much for your reply and insights – it's reassuring to hear that others have this working with the CS3.

Yes, both solenoids work perfectly when operated directly from the CS3, so the hardware and addresses seem to be fine. In TrainController Gold, I’ve configured the three-way turnout using two consecutive addresses (e.g. 11 and 12), and verified that both addresses do work when assigned to standard turnouts – they activate correctly.

However, when I assign them to the three-way turnout object in TC, only the left branch reacts. The right solenoid doesn’t respond at all. I’ve tried inverting the logic and reconfiguring the turnout object, but no success yet.

Do you (or anyone else) know if TC Gold has a specific way to define three-way turnouts that differs from using two standard turnout definitions?

Thanks again for your help!

Best regards,
Thorben Jensen
Thorben Jensen - Denmark
CS3+, Märklin HO
TC Gold Version 10.0 B3, 64 bit
Windows 11 Home
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Offline blid  
#4 Posted : 03 April 2025 14:39:18(UTC)
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blid

Sweden   
Joined: 02/01/2012(UTC)
Posts: 244
Location: Stockholm, Sweden
For what it’s worth. I had a CS2 and TC version 9 and earlier. As I recall the order of the two turnouts (of the 3-way) in the CS2 was changed compared to the CS1. Don’t know about the CS3.
Here is a screenshot of the connection back in 2013 with CS2 and an earlier version of TC:

TC 3-way.jpg
Note. Address 2 lower than Address.
OneGauge Marklin and MTH, ESU ECoS 2.1 on LGB tracks. MTH 3-rail 0-gauge, DCS on GarGraves tracks. Z: Rokuhan tracks, analog or DCC+TC Gold.
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Offline tgj  
#5 Posted : 03 April 2025 16:00:15(UTC)
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tgj

Denmark   
Joined: 02/03/2025(UTC)
Posts: 12
Location: Rinkenæs, 6300 Gråsten
Hi Blid,

Thanks a lot for the insight and the screenshot — really helpful!

I’ll definitely try your suggestion and let you know how it goes. I noticed you’ve set the Switch Time to 500 msec — was that setting necessary for things to work properly, or just something you found useful?

Interesting point about the order of the two turnouts changing between CS1 and CS2. I’m using a CS3+, so I’ll keep an eye out in case something similar applies there.

Thanks again for sharing!

Best regards,
Thorben
Thorben Jensen - Denmark
CS3+, Märklin HO
TC Gold Version 10.0 B3, 64 bit
Windows 11 Home
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Offline blid  
#6 Posted : 03 April 2025 17:25:59(UTC)
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blid

Sweden   
Joined: 02/01/2012(UTC)
Posts: 244
Location: Stockholm, Sweden
My previous example was wired for CS1. Here is an example from 2016 when wired for CS2:

CS2 TC 3-way.jpg

Later on I draw the 3-ways as a left turnout immediately followed by a right turnout. I think that had to do with my monitoring of the turnout position (and turnout motor behavior) rather than the 3-way symbol not working OK.
OneGauge Marklin and MTH, ESU ECoS 2.1 on LGB tracks. MTH 3-rail 0-gauge, DCS on GarGraves tracks. Z: Rokuhan tracks, analog or DCC+TC Gold.
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Offline tgj  
#7 Posted : 03 April 2025 18:20:15(UTC)
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tgj

Denmark   
Joined: 02/03/2025(UTC)
Posts: 12
Location: Rinkenæs, 6300 Gråsten
Originally Posted by: blid Go to Quoted Post
My previous example was wired for CS1. Here is an example from 2016 when wired for CS2:

CS2 TC 3-way.jpg

Later on I draw the 3-ways as a left turnout immediately followed by a right turnout. I think that had to do with my monitoring of the turnout position (and turnout motor behavior) rather than the 3-way symbol not working OK.


That sounds like a good idea!

Did you also have a problem with the three way turnout? (I hope it's not only me).

I will test it soon.

Thorben
Thorben Jensen - Denmark
CS3+, Märklin HO
TC Gold Version 10.0 B3, 64 bit
Windows 11 Home
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Offline blid  
#8 Posted : 03 April 2025 21:24:05(UTC)
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blid

Sweden   
Joined: 02/01/2012(UTC)
Posts: 244
Location: Stockholm, Sweden
I didn’t have a problem with 3-way turnouts when defined as such in the CS2 and TC. The problem I had were the Marklin C-track turnout motors. I monitored them with s88 sensors as suggested by Littfinski, LDT. When I split the 3-ways it was easier to mark the turnout motors that didn’t work. After some years any many replaced motors I realized that I should have just bridged the micro switches in the motors.
OneGauge Marklin and MTH, ESU ECoS 2.1 on LGB tracks. MTH 3-rail 0-gauge, DCS on GarGraves tracks. Z: Rokuhan tracks, analog or DCC+TC Gold.
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thanks 1 user liked this useful post by blid
Offline blid  
#9 Posted : 03 April 2025 21:43:07(UTC)
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blid

Sweden   
Joined: 02/01/2012(UTC)
Posts: 244
Location: Stockholm, Sweden
I forgot. An advantage with the 3-ways, when defined as such, is that the controller sends a straight command when turning the other. You won’t end up with turn left and turn right at the same time.
OneGauge Marklin and MTH, ESU ECoS 2.1 on LGB tracks. MTH 3-rail 0-gauge, DCS on GarGraves tracks. Z: Rokuhan tracks, analog or DCC+TC Gold.
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thanks 1 user liked this useful post by blid
Offline blid  
#10 Posted : 04 April 2025 11:01:45(UTC)
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blid

Sweden   
Joined: 02/01/2012(UTC)
Posts: 244
Location: Stockholm, Sweden
After sending my latest post I noticed an error in my second example. The TC default is for 3-way turnouts where the right turnout is before the left turnout. Marklin C-track is the other way round. It is also recommended that the other turnout is straight when one is thrown. This is what I suggest:

CS2 TC M 3-way.jpg

For a right turn the left turnout MUST be straight. It was missing in example 2.
OneGauge Marklin and MTH, ESU ECoS 2.1 on LGB tracks. MTH 3-rail 0-gauge, DCS on GarGraves tracks. Z: Rokuhan tracks, analog or DCC+TC Gold.
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thanks 1 user liked this useful post by blid
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