 Joined: 12/02/2025(UTC) Posts: 13 Location: pohjanmaa
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  Have a new problem how do I program this where do I find the address ? Where does the red cable with the yellow end go? cant find who made this decorder? I would be grateful if anyone could help. The address nr 15 doesn't work
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 Joined: 01/04/2022(UTC) Posts: 4 Location: Tjæreby
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It looks like a Viessmann 5231 decoder. The red cable with the Yellow plug is for power. It can be connected either to to digital power (like the other red cable) or to a seperate power supply. The botten at the end is for programming decoder address. Pres once for MM address, and twice for DCC address. Then send a command to the selected address, and this will be the new address. You should be able to find trhe documentation at www.viessmann-modell.de. Henning
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 Joined: 04/02/2011(UTC) Posts: 3,555 Location: Paris, France
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Hi Jesperdog (Funny kinda first name)
I don't know this type of decoder obviously made for Märklin / Trix turnouts
So in high probability
- brown wire is for the digital O feed
- red wire is for the digital B feed ("Hot")
- red wire with yellow sleeve is for the separate power feed (or the B feed if ignored)
The protocol is:
- self learning so has to be on the programming track for address setting
- probably in both MM2 and DCC with the protocl setting done when inserting the address
Programming
- after powerup and reset, activate one command from your central station and the decoder will memorise
- in DCC program the addtess with CV1= address
All these are assumptions based on competition and Märklin products
Cheers
Jean |
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Joined: 04/02/2011(UTC) Posts: 3,555 Location: Paris, France
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Joined: 12/02/2025(UTC) Posts: 13 Location: pohjanmaa
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Thanks to you all guys this will help me a lot !
My name is Thomas I had a dog named jesper , so now i'm jesperdog on Internet
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 1 user liked this useful post by jesperdog
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