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Offline dpg001  
#1 Posted : 28 October 2008 14:18:20(UTC)
dpg001


Joined: 22/09/2008(UTC)
Posts: 31
Location: Rugby,
Having seen positive feedback in the forums on the use of Viessmann decoders I decided to purchase a couple. I may be missing the point but I am struggling on how to coonnect these to the Central Station.

I am assuming that the digital feed to the decoders comes direct from the Central Station via a socket in the rear, if so which one. Or does it come via the track which is already powered via the Central Station.

I'm just not surfe and as I am new to this anyones experience or views would be appreciated. A track diagram if someone had one would be great.

David
Offline Sander van Wijk  
#2 Posted : 28 October 2008 15:40:00(UTC)
Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Hi David,

These decoders can simply be connected to the CS via the track.
Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
Offline dpg001  
#3 Posted : 28 October 2008 15:56:23(UTC)
dpg001


Joined: 22/09/2008(UTC)
Posts: 31
Location: Rugby,
Sandar,

My intention was to supply the power via a different transormer source. When connected to the treack do I assume you mean via the track feeder point (originally used by the Control Unit 6021). Is this possible or will the powered track interfere with the separately powered decoder.

Dsvid
Offline Sander van Wijk  
#4 Posted : 28 October 2008 16:23:29(UTC)
Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Hi David,

Sorry, I have misread your question the first time.
It is possible to connect the 5211 decoder to a different transfomer source. This needs to be a different transformer than the one used to supply your CS. If you want to do so, the data for the 5211 comes as a digital feed from the CS via the track (brown/red) and the power comes from a different transformer, connected to the other inputs brown/red E. These connections are depicted in figure 4 of this manual: http://www.viessmann-modell.com/pdf/5211.pdf

Where you tap the power feed from the track is afaik not of influence to the actual operation of the decoder. Assuming that enough power is available at any point of your layout. (The further away from the connection to the CS, the more likely it is that the connection is somewhat poor, which is why a lot of bigger layouts are equipped with multiple feeder tracks)
Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
Offline dpg001  
#5 Posted : 28 October 2008 16:35:28(UTC)
dpg001


Joined: 22/09/2008(UTC)
Posts: 31
Location: Rugby,
Sander,

That great. Yes I intend to use the transformer 6003 separate to the CS.My assumption therefore is that the red/brown 5211 connections will come from their equivalent on the track feed.

Thanks, I'll give it a go.

David
Offline frankie  
#6 Posted : 28 October 2008 17:20:20(UTC)
frankie


Joined: 27/10/2006(UTC)
Posts: 692
Location: Italy
You need the 5215 module to power the 5211 from a different transformer, can't plug them directly to them.
Alessandro
I have a CS1 Reloaded!
Offline fvri  
#7 Posted : 28 October 2008 17:28:06(UTC)
fvri


Joined: 07/10/2002(UTC)
Posts: 773
Location: Zwevezele,
Hi David,

Please pay attention to the scheme drawn in the pdf (posted by Sander: http://www.viessmann-modell.com/pdf/5211.pdf)!

Only use the E bus when connecting to a seperate Viessmann power module (article number: 5215, as mentioned by Frankie).

Best regards,
Frank
Offline Sander van Wijk  
#8 Posted : 28 October 2008 18:26:27(UTC)
Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by frankie
<br />You need the 5215 module to power the 5211 from a different transformer, can't plug them directly to them.


Are you sure? In that case figure 4 of the manual is incorrect as it explicitly mentiones that the red E bus and the matching brown bus should be connected to a 16V AC/DC transformer.... A 5215 could be used to achieve stronger pulses and is - indeed - advisable.

Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
Offline frankie  
#9 Posted : 28 October 2008 18:41:46(UTC)
frankie


Joined: 27/10/2006(UTC)
Posts: 692
Location: Italy
Well... in fact it say so on page 3, I should admit.
The following German text though still refers to the 5215, then it's just a translation typo?
My knowledge of German cannot tell the difference.
Alessandro
I have a CS1 Reloaded!
Offline dpg001  
#10 Posted : 29 October 2008 00:32:54(UTC)
dpg001


Joined: 22/09/2008(UTC)
Posts: 31
Location: Rugby,
My interpretation was that they could be directly connected to a transformer. The instructions that came with the decoder differs from that publicised. Nowhere on these instructions is there a mention of 5215. It just refers to a straight 16v AC/DC connection. Come the weekend I'll give it a go.
David
Offline mascagni  
#11 Posted : 29 October 2008 00:35:12(UTC)
mascagni


Joined: 25/07/2002(UTC)
Posts: 826
Location: Tallahassee, FL USA
You can attach a transformer that meets specification that is not the Viessmann 5215; have done it before.--MM
Michael Mascagni, Tallahassee
If I weren't a Mathematician, I'd be a Violinist.--Albert Einstein
Offline Bigdaddynz  
#12 Posted : 29 October 2008 03:17:05(UTC)
Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 18,763
Location: New Zealand
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by dpg001
<br />Sandar,

My intention was to supply the power via a different transormer source. When connected to the treack do I assume you mean via the track feeder point (originally used by the Control Unit 6021). Is this possible or will the powered track interfere with the separately powered decoder.

Dsvid


David, I did try to explain this for you in the other thread. Was that OK for your needs, or would it be better to draw a picture?
Offline Bigdaddynz  
#13 Posted : 29 October 2008 03:19:11(UTC)
Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 18,763
Location: New Zealand
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by frankie
<br />You need the 5215 module to power the 5211 from a different transformer, can't plug them directly to them.


Says who??? In that case my setup should not work.......as I have setup 5211's to work with a separate transformer and I'm not using the 5215 power module.....

Haven't had any problems in the 2 or years this has been running....
Offline dpg001  
#14 Posted : 29 October 2008 08:57:06(UTC)
dpg001


Joined: 22/09/2008(UTC)
Posts: 31
Location: Rugby,
It looks like the 5211's will connect straight to a standalone transformer. I'll giive it a go. As this will be my first venture into digital accessory control it's both exciting and a challange. I'll be using these decoders to control the turnout solenoids. The wires on the Marklin solenoids are 2 blue and one yellow. Does any one know which of these wires connects to where on the 5211 decoders. I should have included origionally included this.

David
Offline Sander van Wijk  
#15 Posted : 29 October 2008 09:01:57(UTC)
Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Hi David,

Simple, the outputs are grouped in sets of three. Connect the yellow wire to the middle of the three, and the other two on the left and right side of the yellow wire. If it turns out your turnout works opposite to what you expect. (It switches to "bend" when you select "straight" and the other way around; simply swap the blue wires)
Good luck!
Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
Offline Bigdaddynz  
#16 Posted : 29 October 2008 09:28:19(UTC)
Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 18,763
Location: New Zealand
I think you've made a good choice David, I have no regrets about buying Viessmann.
Offline frankie  
#17 Posted : 29 October 2008 10:45:04(UTC)
frankie


Joined: 27/10/2006(UTC)
Posts: 692
Location: Italy
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by Bigdaddynz
<br />
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by frankie
<br />You need the 5215 module to power the 5211 from a different transformer, can't plug them directly to them.


Says who??? In that case my setup should not work.......as I have setup 5211's to work with a separate transformer and I'm not using the 5215 power module.....

Haven't had any problems in the 2 or years this has been running....

I should admit I overlooked the instructions [:I] and thought the 5215 was the only way, it works great though wink
Alessandro
I have a CS1 Reloaded!
Offline Bigdaddynz  
#18 Posted : 29 October 2008 10:56:39(UTC)
Bigdaddynz

New Zealand   
Joined: 17/09/2006(UTC)
Posts: 18,763
Location: New Zealand
Having said that Frankie, I'm sure the 5215 has a purpose. It was just that when I was putting everything together, I couldn't figure out why I needed it!
Offline frankie  
#19 Posted : 29 October 2008 11:22:43(UTC)
frankie


Joined: 27/10/2006(UTC)
Posts: 692
Location: Italy
Going slightly off topic I wonder to ask if Aussies are so bad at driving biggrinbiggrinbiggrin:http://www.news.com.au/story/0,27574,24565196-421,00.html
Alessandro
I have a CS1 Reloaded!
Offline fvri  
#20 Posted : 29 October 2008 11:35:30(UTC)
fvri


Joined: 07/10/2002(UTC)
Posts: 773
Location: Zwevezele,
Correct the power module is not 'really' necessary but gives assurance the correct clean voltage is supplied when using a second transfo.

Frank
Offline mascagni  
#21 Posted : 29 October 2008 12:51:56(UTC)
mascagni


Joined: 25/07/2002(UTC)
Posts: 826
Location: Tallahassee, FL USA
BTW, As I recall, if you are using a 5211 and taking the power off the tracks, you have to connect two of the inputs. So, in some sense, it is not more complicated to wire for external power.--MM
Michael Mascagni, Tallahassee
If I weren't a Mathematician, I'd be a Violinist.--Albert Einstein
Offline Sander van Wijk  
#22 Posted : 29 October 2008 16:20:15(UTC)
Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by mascagni
<br />BTW, As I recall, if you are using a 5211 and taking the power off the tracks, you have to connect two of the inputs. So, in some sense, it is not more complicated to wire for external power.--MM


Correct. The only slight complication is that if a 5211 is located quite remotely, you'll need a rather long wire from the transformer to the 5211, whereas the track and therefore a possibility to draw current from the track, is always nearby. That's all... No real complications here.
Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
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