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Mobile Station 2 - Master / Slave Problem
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Offline sjlauritsen  
#1 Posted : 22 December 2013 11:38:04(UTC)
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sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
Hi guys!

I have a question regarding the Mobile Station 2 and the master / slave connection.

Now I know, that the master / slave connection is only about the locomotive database, and that is where my problem lies. I have bought a VT95 railbus with sound and all the bells and whistles. It is a hottie. :-) I have put the railbus into my master MS2 and I want it on my other MS2. I go to the loco list and select the railbus from the master MS2. The slave MS2 now starts to transfer the locomotive from the master, 10%, 20%, 100% and then

"No such loco on the master (anymore)"

What!? It is there, but it just wont transfer.

Has anybody got any idea?

Best Regards - and a Merry Christmas
Søren from Denmark
Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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Offline sjlauritsen  
#2 Posted : 22 December 2013 12:01:34(UTC)
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sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
An update.

I have tried the following:

1. Deleting all locomotives from the slave MS2. It is completely empty. No luck.
2. Transfering another locomotive than the railbus. Works fine.
3. Cutting the power, and attaching the MS2's again. No luck.

All MS2's are of software version 1.83.
Søren from Denmark
Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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Online H0  
#3 Posted : 22 December 2013 12:05:45(UTC)
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H0


Joined: 16/02/2004(UTC)
Posts: 15,463
Location: DE-NW
Other things you can try:
  • Transfer the train with a loco card (if available)
  • Give both MSs a factory reset, cut power for 10 seconds and try again
  • Rename the VT in the master MS2 and try again


I never had this problem, so I don't know how to solve it.

Is it the Fleischmann rail-bus? I presume you use DCC.
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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Offline sjlauritsen  
#4 Posted : 22 December 2013 12:28:35(UTC)
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sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
Hi Tom

Originally Posted by: H0 Go to Quoted Post
I never had this problem, so I don't know how to solve it.

Thanks, I will try out your suggestions. The renaming part is a good idea. I do not know how the MS2 internal database works, but the loco did come from the slave originally, and was transferred to the master via loco card. Perhaps I have stumpled over some unforseen behaviour. So perhaps some odd solutions is the way to go. :-)

Originally Posted by: H0 Go to Quoted Post
Is it the Fleischmann rail-bus? I presume you use DCC.

Yup, it is the new Fleischmann 481376 railbus. It is such a nice model - and yes I run DCC. :-)

Søren from Denmark
Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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Offline sjlauritsen  
#5 Posted : 22 December 2013 12:38:01(UTC)
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sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
Originally Posted by: H0 Go to Quoted Post
[list]
  • Transfer the train with a loco card (if available)

    • Transfer the loco back into the slave using the loco card worked. A bit odd though.

    Before that I tried renaming the loco, and I tried changing the address of the loco. Neither worked.

    I assume the problem started because the loco originated from the slave, but I have no idea on how the MS2 is able to detect that, and how it can cause a problem.

    Oh well. :-) On experience richer.

    Søren from Denmark
    Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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    Offline jeehring  
    #6 Posted : 22 December 2013 12:45:43(UTC)
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    jeehring


    Joined: 25/09/2003(UTC)
    Posts: 2,786
    Location: ,
    Excepted if one of our contributor found a solution for you, it may be a matter of "internal code"...(this is wellknown)
    All MS2 s have an internal code, only Marklin can read this code.

    Marklin realized that sometimes - very rarely - the codes of 2 MS2 were incompatible
    ,( if my memory is good: because they were identical but I'm not sure. This prevents both MS2 functionning properly as a Master/Slave when they are connected together.
    I repeat, this happens very rarely.)
    Only one solution: send the MS2 back to Marklin. Preferably both MS2. It takes them 5 minutes or they send you a new MS2, which is even easier for them ...
    Or bring the last MS2 back to your dealer & ask another one : he should be able deal with Marklin...
    How it works with other loco ? Is the problem only with the railbus ? with other loco too ?
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    Offline sjlauritsen  
    #7 Posted : 22 December 2013 13:05:02(UTC)
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    sjlauritsen

    Denmark   
    Joined: 18/08/2007(UTC)
    Posts: 1,081
    Location: Denmark
    Originally Posted by: jeehring Go to Quoted Post
    Excepted if one of our contributor found a solution for you, it may be a matter of "internal code"...(this is wellknown)
    All MS2 s have an internal code, only Marklin can read this code.

    I would expect "code" to mean the MS2 address/id on the Can Bus itself. I am pretty sure, that this is not the case, since it does transfer all other kinds of locomotives. It just wont transfer the railbus. My feeling tells me that this has something to do with the fact, that the railbus originated on the slave-ms2 in the first place. I use my secondary MS2 for programming.

    I have compiled a list of steps to reproduce the problem and sent it to Märklin a long with all the data from the MS2's.

    At least then they will know something might be up.

    I will see if I can reproduce the problem with another locomotive, then we will know for sure if there is an error in the software. Or - if it is just me. :-)

    Søren from Denmark
    Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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    Offline jeehring  
    #8 Posted : 22 December 2013 14:54:43(UTC)
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    jeehring


    Joined: 25/09/2003(UTC)
    Posts: 2,786
    Location: ,
    Originally Posted by: sjlauritsen Go to Quoted Post
    Originally Posted by: jeehring Go to Quoted Post
    Excepted if one of our contributor found a solution for you, it may be a matter of "internal code"...(this is wellknown)
    All MS2 s have an internal code, only Marklin can read this code.

    I would expect "code" to mean the MS2 address/id on the Can Bus itself.


    Instead of "internal code" I should have said : "internal code number".
    I don't know any more about this "internal code number".

    Originally Posted by: sjlauritsen Go to Quoted Post
    Originally Posted by: jeehring Go to Quoted Post
    Excepted if one of our contributor found a solution for you, it may be a matter of "internal code"...(this is wellknown)
    All MS2 s have an internal code, only Marklin can read this code.

    ...(...)... I am pretty sure, that this is not the case, since it does transfer all other kinds of locomotives....(...)...

    You're right. This is surely not the case as when it happens the 2 MS2 both cannot say wether they are "Master" wheter they are "Slave"...
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    Offline sjlauritsen  
    #9 Posted : 22 December 2013 15:12:59(UTC)
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    sjlauritsen

    Denmark   
    Joined: 18/08/2007(UTC)
    Posts: 1,081
    Location: Denmark
    Originally Posted by: jeehring Go to Quoted Post
    You're right. This is surely not the case as when it happens the 2 MS2 both cannot say wether they are "Master" wheter they are "Slave"...

    Do any of you know how the MS2's negotiates who is the master and who is the slave?

    On my layout the same MS2 always wants to be the master - even though it is connected last.

    I kind of assumed that the first MS2 connected would be the master, and the additional connected MS2's would be the slaves.

    Søren from Denmark
    Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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    Online H0  
    #10 Posted : 22 December 2013 15:30:11(UTC)
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    H0


    Joined: 16/02/2004(UTC)
    Posts: 15,463
    Location: DE-NW
    Originally Posted by: sjlauritsen Go to Quoted Post
    Do any of you know how the MS2's negotiates who is the master and who is the slave?
    My thesis is that the MS2 with the lowest serial number will be the master. So far nobody else came with a better thesis.

    My MS2 with the green knob always gets the Master role - the MS2 with the red knob has a higher serial number.

    Check your serial numbers ...
    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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    Offline sjlauritsen  
    #11 Posted : 22 December 2013 16:00:00(UTC)
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    sjlauritsen

    Denmark   
    Joined: 18/08/2007(UTC)
    Posts: 1,081
    Location: Denmark
    Originally Posted by: H0 Go to Quoted Post
    My MS2 with the green knob always gets the Master role - the MS2 with the red knob has a higher serial number.
    Check your serial numbers ...

    I can live with that theory, my serial numbers shows the same tendency. The master is the lowest.
    Søren from Denmark
    Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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    Offline sjlauritsen  
    #12 Posted : 22 December 2013 22:05:31(UTC)
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    sjlauritsen

    Denmark   
    Joined: 18/08/2007(UTC)
    Posts: 1,081
    Location: Denmark
    I think I have stumpled upon another bug in the MS2 software.

    It seems that whenever it transfers a DCC loco from the master to the slave, it always sets the address of the transferred locomotive to 1. I have to manually correct the address on the slave before I can run the locomotive. This only happens with DCC locomotives, it works fine with MM2 locomotives.

    Have anyone else experienced that?
    Søren from Denmark
    Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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