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SoftDriveSinus and the AUX4 (Problem)
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Offline HGH  
#1 Posted : 08 August 2007 07:08:38(UTC)
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HGH


Joined: 11/02/2006(UTC)
Posts: 52
Location: Essen,
Hello @all,

I just want to report some news to you, which was discussed in a german forum recently.

<u>Basics:</u>
The locos whith the new SoftDriveSinus (SDS) have a spezial Funktion-Mapping (FM) to the AUX4-Pin of the 21-pin-mtc-connector as seen in lokprogrammer-screenshot of a 37772.

UserPostedImage
FFf = Funktion-Fahrt-forward
FFr = Funktion-Fahrt-reward
FSf = Funktion-Stand-fward
FSr = Funktion-Stand-reward

With this the AUX4-Pin is permanently connected to GND-potential.
If you change the FM at this point, the loco will not drive anymore.

<u>DecoderUpgrade:</u>
So be careful if you plan to upgrade a SDS-Loco with mfx-decoder by a mfx-sound-decoder. You have to do the FM also in the new decoder.

The settings can only by done by a CS or the ESU-LokProgrammer !!!

Some german guys also report, that an upgrade to an non-mfx-ESU Lokpilot V3 or ESU-Loksound V3.x will work too, if AUX4 is mapped.

Don't forget to disable the regulation-CVs in that case, because it will be done be the spezial driver-pcb in those locos.
UserPostedImage

At the end I ask myself, why the have done it with the AUX4?
The connection to GND had be also done very easely with a permanently hardware-connection. The AUX4 is not realy needed therefor.
with kind regards ... HGH
modell-railroading is fun
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Offline laalves  
#2 Posted : 08 August 2007 12:36:13(UTC)
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laalves


Joined: 10/02/2004(UTC)
Posts: 2,162
Location: Portugal
Very useful information, thanks!

It will save me some time in the future, that's for sure.

Have you checked other SDS loks, other than the 37772. When I get home, I will check the 39050.

Luis
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Offline jeehring  
#3 Posted : 08 August 2007 16:00:27(UTC)
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jeehring


Joined: 25/09/2003(UTC)
Posts: 2,786
Location: ,
Oh yes , very useful info
But , considering the facts , nothing abnormal , no malfunctioning of the system . It is a specificity of the new C-sinus driver .

Me too , I wonder why they have done like that...
Strange .
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Offline HGH  
#4 Posted : 08 August 2007 17:00:39(UTC)
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HGH


Joined: 11/02/2006(UTC)
Posts: 52
Location: Essen,
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by laalves
.... Have you checked other SDS loks, other than the 37772. When I get home, I will check the 39050....


Hi Luis @all,

I found it also in 26290 (4MFOR Package BR 290). This loco has also a SDS-Motor. That is not recently reported. Smile

Also the new 39121 (E10) might have it.

I think all new SDS-Locos will have it.

Some german guys report, that ESU/Maerklin has done it, to make the "Lok-Programmer" compatible to read/write mfx-decoders while programming without connecting the decoder to another loco.
... as I just did so in the last time. biggrin

My 37772-decoder was not readable bei the "Lok-Programmer". I had to connect the decoder to a 37900 to get a read-successconfused

Very strange !!!!
with kind regards ... HGH
modell-railroading is fun
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Offline Hemmerich  
#5 Posted : 08 August 2007 23:21:20(UTC)
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Hemmerich


Joined: 15/04/2003(UTC)
Posts: 2,734
Location: ,
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by laalves
<br />Very useful information, thanks!

It will save me some time in the future, that's for sure.

Have you checked other SDS loks, other than the 37772. When I get home, I will check the 39050.

Luis

Hi Luis,

this is nothing new (to me and others) and has technical and decoder programming reasons. When I did my C-Sine sound conversions I knew that I had to disable all load regulation parameters (I had an interesting discussion about this topic with Mr. Iten - rail4you - already years ago). wink

You'll find this configuration setting and related pcb/driver hardware in most to all compact and SDS locos, like Re4/4, BR01, BR05, E10.3/E10.12, etc. and as well in the BR103 (although this has a large C-Sine - and should make clear that this "feature" is not restricted to the SDS), but was not used in the HWZ and first BR290 and as well not (yet) in the BR182 "Porsche" (I had a longer conversation about this with Mr. Kern earlier this year; there will be some changes).

For the Schienenbus and the VT11.5 the AUX4 output is only configured for FS(r) and FF(r). An even more interesting mapping can be found with the VT08 - but you might like to look this up yourselves! biggrin
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Offline laalves  
#6 Posted : 09 August 2007 01:41:16(UTC)
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laalves


Joined: 10/02/2004(UTC)
Posts: 2,162
Location: Portugal
Lutz, I've worked with the mould industry and it is a fact that as the moulds get old, mating is a growing problems, and that's exactly the reason some moulded products get discontinued.

I wouldn't be surprised this issue to be a factor in the Märklin renewal policy as for any other mould dependent company. That's just just a fact of life. My 34880 has the flash marks, only less than the pics in this page.

Soemthing else: you mention the VT11.5 in your post, you meant SVT137, right?

Luis
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Offline Hemmerich  
#7 Posted : 14 August 2007 14:09:45(UTC)
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Hemmerich


Joined: 15/04/2003(UTC)
Posts: 2,734
Location: ,
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by laalves
Soemthing else: you mention the VT11.5 in your post, you meant SVT137, right?


Hi Luis,

well, to be really precise - I meant the VT04.501, #37772 (ok, German train type classifications are really sometimes difficult to understand - like our grammar)! biggrin

BTW about SVT137: I've converted my original SVT137 (#37770) from its original installed LoPi and signal horn to a full LokSound mfx (using kit #62450 and the rectangular 40x20 LS since the predecessor #61450 has been discontinued by ESU). wink

As you can imagine, neither any problem with AUX4 nor with programming the decoder. Cool
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Offline laalves  
#8 Posted : 14 August 2007 21:02:52(UTC)
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laalves


Joined: 10/02/2004(UTC)
Posts: 2,162
Location: Portugal
Yeah, I've done that particular conversion a few times for customers.

BTW, since I've been messing with my own 37606, converting it to SB-modellbau propulsion, I've also changed its programming and I could see that AUX3 is set to permanent ON in reverse and OFF in forward to trigger the pickup-up shoe change circuitry.

Also, loks such as the 37196 also make use of function mapping to activate the sound module, which means, care must be taken in exchanging decoders nowadays.... biggrin!

BTW, I've converted my 37606 because it didn't run nowhere nearly as good as the 37605/37609, which have ball-bearing mounted rotors, whereas the 37606 doesn't. That really disapointed me after purchase. However, after conversion, it now runs way better than any 37605 I've seen, smooth and silent.
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