Joined: 09/12/2010(UTC)
Posts: 38
Location: norway
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Hi, I've got a Mobile Station 1 and wondering how to hook up properly. I would like to continue using my turnouts analog. The user manual for MS indicates that a second transformer is needed- from the diagram this appears to be a seperate circuit alltogether, so can I use my old blue analog transformer to run the turnouts? Kind of worried to hook things wrong, the manual actually uses bomb icons to indicate bad setups  cheers Kaspar
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 Joined: 08/01/2006(UTC) Posts: 2,218 Location: Shady Shores, TX - USA
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Yes you can use your blue transformer to operate your turnouts, just be sure the circuits stay separated.
All yellow wires from turn out motors connect to the yellow output of the blue transformer then connect the blue wires to the switch button boxes, and the brown wire from the transform to the side of the switch box. They should be on there own circuit now unless
To be safe leave the MS1 and the MS transformer unplugged from the track and test the switches, If you want to be very safe use a multimeter and make sure you have no voltage to the track outer and center rails when switching the turnouts. As long as there is no voltage from loose wires or miss wired turn out motors then your ok.
I'm guessing that you have plastic c-track
Note: if you have metal M-track or K-track with lanterns on the turnouts, the light on the lantern ground is wired back to the track and would create a half circuit form the blue transformer to the MS1 and could damage it.
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DT
Now powered by ECoS II unit#2, RocRail
era - some time in the future when the space time continuum is disrupted and ICE 3 Trains run on the same rails as the Adler and BR18's. |
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Joined: 09/01/2007(UTC)
Posts: 589
Location: The Netherlands
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In my experience it's no problem to have a common ground (brown) for MS1/CS1 and another (blue or grey) trafo powering the turnouts, including light of it. As long as you ALWAYS have a separate dedicated power source to your MS1/CS1 and you have NO CONTACT FROM THE OTHER TRAFO with the center studs.
This goes for C, M and K track.
Regards, Henk |
C and M track; CS1R and 2 MS |
 1 user liked this useful post by hemau
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Joined: 23/08/2006(UTC) Posts: 2,597 Location: Beverly, MA
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Hi all,
It is part of the beauty of digital.
Dr D
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 Joined: 27/12/2009(UTC) Posts: 1,165 Location: Western Cape Cape Town
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Hi Darrin, Henk, Dr. D.....please help!!
I have a starter set (29539) with MS2, and 36VA transformer, with 2 feeder wires connected to the C track. The set has 2 turnouts with mechs and decoders already installed.
I also bought 2 "C to M" track pieces, to join up with my existing M track layout - with about 18 turnouts+lanterns, and 9 uncoupler tracks, using the 6647 grey trafo, and 7072 control boxes.
I want to have 1 digital layout, with a mix of C and M track, for a while anyway......
Am I right in assuming I must first disconnect all the the existing feeder track wires (red) from trafo 6647, but I can keep the brown wires connected?
And the yellow wires stay in the 6647 trafo?
What worries me is that I will now have 2 transformers connected to my digital layout...Is this "allowed"??
I haven't connected anything yet......I will rather wait for some "sure" answers!
Joe
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Joined: 23/08/2006(UTC) Posts: 2,597 Location: Beverly, MA
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Hi Joe,all,
>I have a starter set (29539) with MS2, and 36VA transformer, with 2 feeder wires connected to the C track. The set has 2 turnouts with mechs and decoders already installed.<
OK,....
>I also bought 2 "C to M" track pieces, to join up with my existing M track layout - with about 18 turnouts+lanterns, and 9 uncoupler tracks, using the 6647 grey trafo, and 7072 control boxes.<
What does the 6647 do?Feed the tracks and turnouts/uncouplers/lanterns?
>I want to have 1 digital layout, with a mix of C and M track, for a while anyway......
Am I right in assuming I must first disconnect all the the existing feeder track wires (red) from trafo 6647, but I can keep the brown wires connected?<
If that is what is feeding the tracks,yes.Common ground is what makes 3-rail layouts easier for wiring.
>And the yellow wires stay in the 6647 trafo?<
What are they wired for or to?I would use this(for now) to power your turnouts/uncouplers/lanterns.
>What worries me is that I will now have 2 transformers connected to my digital layout...Is this "allowed"??<
Yes and no,you need to power the MS2 and the tracks,depending on the power draw(#loks,etc.)you may need to get a booster and a separate transfo for the rest of your layout.
Dr D
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 Joined: 01/02/2004(UTC) Posts: 7,464 Location: Scotland
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Joe. Go easy here. Do not attach two transformers to your layout. Some where in the booklet that came with your starter set it says that experimenting is expensive. Why not just keep the M track completely separate from the C track digital section and when you are ready get more C track with digital turnouts which I believe is where you want to end up.
Joining everything together can be done but only if you know exactly what you are doing otherwise keep your two sections apart.
dave |
Take care I like Marklin and will defend the worlds greatest model rail manufacturer. |
1 user liked this useful post by David Dewar
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Joined: 16/02/2004(UTC)
Posts: 15,463
Location: DE-NW
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Originally Posted by: Joe Meiring  What worries me is that I will now have 2 transformers connected to my digital layout...Is this "allowed"?? This is "allowed". And more than just "allowed": it's the only easy way to operate analogue M track turnouts when driving with a Mobile Station. Common ground is fine, but keep external power away from 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  |
1 user liked this useful post by H0
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Joined: 09/01/2007(UTC)
Posts: 589
Location: The Netherlands
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Joe, no worries. I am operating M and C track and digital and old/fashion electromagnetic switch controlling for years with 2 transformers (a switching PS 90W from ESU for the CS1R and a 6647 for some k83 controlboxes).
As long as you keep power to centre studs and to switches separate and you use a single separate transformer or power supply for your MS there are no problems.
Connect your analog steered switches with a connecting box to the yellow output of the 6647, connect the brown to the ground (rail) of the track and to the controlbox for the switches. Blue wires from switches go to controlbox ofcourse.
Alternative is to control all switches with some k83´s. You can power them separate via the 6647 if you wish.
EDIT with a MS1 you can´t operate a k83. Sorry.
Regards, Henk |
C and M track; CS1R and 2 MS |
2 users liked this useful post by hemau
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Joined: 08/01/2006(UTC) Posts: 2,218 Location: Shady Shores, TX - USA
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Originally Posted by: Joe Meiring Hi Darrin, Henk, Dr. D.....please help!!
I have a starter set (29539) with MS2, and 36VA transformer, with 2 feeder wires connected to the C track. The set has 2 turnouts with mechs and decoders already installed.
I also bought 2 "C to M" track pieces, to join up with my existing M track layout - with about 18 turnouts+lanterns, and 9 uncoupler tracks, using the 6647 grey trafo, and 7072 control boxes.
I want to have 1 digital layout, with a mix of C and M track, for a while anyway......
Am I right in assuming I must first disconnect all the the existing feeder track wires (red) from trafo 6647, but I can keep the brown wires connected?
And the yellow wires stay in the 6647 trafo?
What worries me is that I will now have 2 transformers connected to my digital layout...Is this "allowed"??
I haven't connected anything yet......I will rather wait for some "sure" answers!
Joe http://medienpdb.maerkli...inweis_fremdspannung.pdfTo me I would be safe and not have any connection between that accessories and the track. |
DT
Now powered by ECoS II unit#2, RocRail
era - some time in the future when the space time continuum is disrupted and ICE 3 Trains run on the same rails as the Adler and BR18's. |
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Joined: 03/10/2010(UTC) Posts: 1,299 Location: Cape Town, South Africa
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Joe, when can I come and see your new kit ? Regards,  John
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2 users liked this useful post by Johnvr
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Joined: 09/12/2010(UTC)
Posts: 38
Location: norway
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Ok, thanks for all the comments. There seems to be some divergent opinions though... To clarify my question , I have an all-metal M layout. If I understand correctly the issue is to keep the centre rail away from the "blue trafo" power. However doesn't one run the risk of a short when ex a train derails in a turnout, bumping into the light fixture? Would such a short kill my MS?
If I were to pursue a completely separated circuit would removing the lightbulbs in my turnouts do the job?
Kaspar
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Joined: 09/01/2007(UTC)
Posts: 589
Location: The Netherlands
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Originally Posted by: Kaspar Ok, thanks for all the comments. There seems to be some divergent opinions though... To clarify my question , I have an all-metal M layout. If I understand correctly the issue is to keep the centre rail away from the "blue trafo" power. However doesn't one run the risk of a short when ex a train derails in a turnout, bumping into the light fixture? Would such a short kill my MS?
If I were to pursue a completely separated circuit would removing the lightbulbs in my turnouts do the job?
Kaspar That would be a great accident, and how would the slider keep contact with the centre studs and get at the same time in touch with the power of the lantern. I don´t see that happen (less likely than a failure in a nuclear power plant IMHO). |
C and M track; CS1R and 2 MS |
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Joined: 09/01/2007(UTC)
Posts: 589
Location: The Netherlands
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Originally Posted by: dntower85 Originally Posted by: Joe Meiring Hi Darrin, Henk, Dr. D.....please help!!
I have a starter set (29539) with MS2, and 36VA transformer, with 2 feeder wires connected to the C track. The set has 2 turnouts with mechs and decoders already installed.
I also bought 2 "C to M" track pieces, to join up with my existing M track layout - with about 18 turnouts+lanterns, and 9 uncoupler tracks, using the 6647 grey trafo, and 7072 control boxes.
I want to have 1 digital layout, with a mix of C and M track, for a while anyway......
Am I right in assuming I must first disconnect all the the existing feeder track wires (red) from trafo 6647, but I can keep the brown wires connected?
And the yellow wires stay in the 6647 trafo?
What worries me is that I will now have 2 transformers connected to my digital layout...Is this "allowed"??
I haven't connected anything yet......I will rather wait for some "sure" answers!
Joe http://medienpdb.maerkli...inweis_fremdspannung.pdfTo me I would be safe and not have any connection between that accessories and the track. This advice is not to have 2 or more controllers at the same time connected to the tracks. That was always a to be avoided situation also in the analog times to prevent volts transforming down and up again or have differnt phases conflicting, and it is fatal to digital equipment. But that is not what is discussed here, this is about steering of separate electromagnetic equipment. Regards, Henk. |
C and M track; CS1R and 2 MS |
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Joined: 25/07/2001(UTC)
Posts: 11,165
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The lantern housing is connected to the common ground, it's the yellow connection that is dangerous...
The integrated C-track decoders are connected to the MS1 (red-brown) track current, while old M solenoids are to be connected to yellow-brown via the 7072 switch button box. |
Juhan - "Webmaster", at your service...
He who asks a question is a fool for five minutes. He who does not ask a question remains a fool forever. [Old Chinese Proverb] |
1 user liked this useful post by Webmaster
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Joined: 23/08/2006(UTC) Posts: 2,597 Location: Beverly, MA
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hi Kaspar,all,
>Ok, thanks for all the comments. There seems to be some divergent opinions though... To clarify my question , I have an all-metal M layout. If I understand correctly the issue is to keep the centre rail away from the "blue trafo" power. However doesn't one run the risk of a short when ex a train derails in a turnout, bumping into the light fixture? Would such a short kill my MS?
If I were to pursue a completely separated circuit would removing the lightbulbs in my turnouts do the job?<
Separate ALL lights to it's own transformer(s).Turnouts,signals, whatever.An old 280 will do.
Dr D
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Joined: 16/02/2004(UTC)
Posts: 15,463
Location: DE-NW
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Originally Posted by: dntower85 http://medienpdb.maerklin.de/systems/hinweis_fremdspannung.pdf
To me I would be safe and not have any connection between that accessories and the track. Always do it like the M* instructions tell you. Here are the instructions for the Railroad Grade Crossing 74920: (copy URL into the address field) See page 13 for the line-up with MS and second transformer (common ground at the outer rails). The Caution leaflet only tells to keep external power away from the centre rail. It does not tell you not to use accessories. |
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 |
1 user liked this useful post by H0
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Joined: 29/05/2011(UTC)
Posts: 5
Location: Belgium
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Hi all,
I currently have a M-track railway and bought a Mobile Station 2. I tried to connect the turnout to a second transfo (the old one) to use them with 7272 switchboxes. The turnouts work just fine, the trains run, but the lights in the turnouts don't light... Does anyone know why and how to correct this??
thanks guys
Julian
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Joined: 16/02/2004(UTC)
Posts: 15,463
Location: DE-NW
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Hi! Originally Posted by: flappydaffy Does anyone know why and how to correct this? Electric current requires a closed circuit to flow. Did you connect the brown wire of the accessories transformer (the "old one") to the track? |
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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Joined: 29/05/2011(UTC)
Posts: 5
Location: Belgium
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Originally Posted by: H0 Hi! Originally Posted by: flappydaffy Does anyone know why and how to correct this? Electric current requires a closed circuit to flow. Did you connect the brown wire of the accessories transformer (the "old one") to the track? hi Tom Thanks for the idea. I didn't, the wiring sheme I was shown at my hobby shop didn't showed that connection so I just assumed it would be bad for the transformer... Won't this interfere with the current sent to the track by the new one? Should I use 2 feeding rails or kan I use just one? cheers julian
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Joined: 16/02/2004(UTC)
Posts: 15,463
Location: DE-NW
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Originally Posted by: flappydaffy Won't this interfere with the current sent to the track by the new one? No problem. But don't make any connection between the "old one" and the centre rail. See the 74920 manual (link posted above). Different solenoids, but same problem. Originally Posted by: flappydaffy Should I use 2 feeding rails or kan I use just one? Theoretically this doesn't make a difference. When the layout grows you'll need more than 1 feeder track anyway. |
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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Joined: 29/05/2011(UTC)
Posts: 5
Location: Belgium
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thanks TOM
it works great :)
cheers
julian
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