Joined: 10/03/2012(UTC) Posts: 38
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Hello, When we use CS2 with 60174 booster,why booster feeding track side must isolate? I could not find logical explanation.If anyone has an idea,would you please help. Regards Bulent Edited by user 12 October 2013 15:05:45(UTC)
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Joined: 17/09/2006(UTC) Posts: 18,771 Location: New Zealand
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You have to isolate the track current from other sections feed by boosters from that feed by the CS2, otherwise you will blow up your boosters and CS2. They don't like current from another device being feed into their track outputs. However, they can stand momentary bridging of the track feed, such as when a loco pickup shoe goes over the point where the sections are isolated and momentarily bridges the sections.
If you are using 60174 boosters, you do not have to isolate the ground (brown) connection, it is OK to have that common between boosted sections.
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 4 users liked this useful post by Bigdaddynz
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Joined: 21/10/2004(UTC) Posts: 31,689 Location: United Kingdom
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60174 manual download in PDF 13MB. Copy and paste in new window. Quote:http://medienpdb.maerklin.de/product_files/1/pdf/60174_betrieb.pdf |
Large Marklinist 3- Rails Layout with CS2/MS2/Boosters/C-track/favorites Electric class E03/BR103, E18/E118, E94, Crocodiles/Steam BR01, BR03, BR05, BR23, BR44, BR50, Big Boy. |
 1 user liked this useful post by steventrain
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Joined: 10/03/2012(UTC) Posts: 38
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Thank you.I know the user manuel.Old digital system (6021+6017+transf.) do not require seperation.I want to learn scientific mechanism of seperation.
According to me; CS2 must organize all of electrical feeding.Seperation must not require.
Regards
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Joined: 25/09/2003(UTC) Posts: 2,786 Location: ,
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Originally Posted by: bulenty 
When we use CS2 with 60174 booster,why booster feeding track side must isolate
Regards
.... because there is a booster inside the CS2 already. 2 boosters cannot feed the same track section. If you need one more booster read messages above.... 
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 1 user liked this useful post by jeehring
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Joined: 17/09/2006(UTC) Posts: 18,771 Location: New Zealand
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Originally Posted by: bulenty  Old digital system (6021+6017+transf.) do not require seperation. Since when?? You still had to separate and isolate the track power feed (red) connection, but it was OK to have a common return (brown) with 6021/6015/6017
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 1 user liked this useful post by Bigdaddynz
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Joined: 10/03/2012(UTC) Posts: 38
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I only mean that actual electronic and computer technology, CS2 can recognize connected booster and organize feeding electricity itself.May be in the future Marklin will produce like this.
Now;ok we have to seperate as manuels.
Thanks
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Joined: 23/02/2005(UTC) Posts: 800
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Originally Posted by: bulenty  I only mean that actual electronic and computer technology, CS2 can recognize connected booster and organize feeding electricity itself.May be in the future Marklin will produce like this. Now;ok we have to seperate as manuels.
Of course, it would be possible to get exactly the same signal at the CS and booster outputs, that would allow to permanantly connect (short) their outputs (via the track without insulation ). But in that case, you will simply get an equivalent CS with an increased current capability. To get so, it would be cheaper to directly make such a central! Fred
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Joined: 16/02/2011(UTC) Posts: 124 Location: Bergamo - italy
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Technically speaking, everything is possible, but the circuitry would be much more complicated and, probably, will not solve each and every misconnection. Much easier, keeping in mind that the "red" wire shall be isolated , as it was with the analog system (brown, or common, shall be connected together, for improved digital signal quality). This configuration allows also a "selective" short circuit detection and a reduced short circuit current.
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 1 user liked this useful post by eroncelli
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Joined: 09/10/2016(UTC) Posts: 10 Location: Attiki, Amarousion
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Originally Posted by: Bigdaddynz  You have to isolate the track current from other sections feed by boosters from that feed by the CS2, otherwise you will blow up your boosters and CS2. They don't like current from another device being feed into their track outputs. However, they can stand momentary bridging of the track feed, such as when a loco pickup shoe goes over the point where the sections are isolated and momentarily bridges the sections.
If you are using 60174 boosters, you do not have to isolate the ground (brown) connection, it is OK to have that common between boosted sections. Dear M users based on this comment, I would like to describe a problem I face with M booster 60174. I recently installed one M booster 60174 having isolated Red in my layout. So layout is split in two sections. I have noticed that whenever a loco pickup shoe goes over the point of the isolated sections there is a momentary POWER CUT for the whole layout (at both sections). I suppose that this momentary power cut is due to bridging the 2 sections by the loco shoe and it last one second or half a second depending the speed of the loco... however it is quite annoying to have total power cut even for short time.... is this normal? do you always face the same issue or have made something wrong? thanks a lot
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Joined: 16/02/2004(UTC) Posts: 15,443 Location: DE-NW
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Hi! Originally Posted by: antazio  is this normal? This is not normal. This can be the result of swapping red and brown in one of the booster circuits (the CS2 has an internal booster). Do you use the same type of power supply for both CS2 and 60174? |
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: 09/10/2016(UTC) Posts: 10 Location: Attiki, Amarousion
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Originally Posted by: H0  Hi! Originally Posted by: antazio  is this normal? This is not normal. This can be the result of swapping red and brown in one of the booster circuits (the CS2 has an internal booster). Do you use the same type of power supply for both CS2 and 60174? Thanks for the immediate response... First of all the good news is that this is not normal as I was quite upset if I had to live with it. I use CS2 60215 along with power supply 60061 on both cases. So yes I use the same. I don't know how to check the swapping red and brown in booster circuits.
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Joined: 16/02/2004(UTC) Posts: 15,443 Location: DE-NW
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Originally Posted by: antazio  I don't know how to check the swapping red and brown in booster circuits. Make sure that both plugs (track connection of CS2 and 60174) are configured the same way. Make sure you turn both plugs the same way when comparing them (e.g. screws upwards and holes towards you). Do you have a continuity tester? With both plugs pulled out, you should have a connection between the two "brown", but no connection between red/red or any red/brown. |
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: 09/10/2016(UTC) Posts: 10 Location: Attiki, Amarousion
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Originally Posted by: H0  Originally Posted by: antazio  I don't know how to check the swapping red and brown in booster circuits. Make sure that both plugs (track connection of CS2 and 60174) are configured the same way. Make sure you turn both plugs the same way when comparing them (e.g. screws upwards and holes towards you). Do you have a continuity tester? With both plugs pulled out, you should have a connection between the two "brown", but no connection between red/red or any red/brown. Dear Tom than you very much for the advice, I will check it tonight and will let u know... I hope it works!!!!!
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Joined: 09/10/2016(UTC) Posts: 10 Location: Attiki, Amarousion
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It was polarity issue between booster and CS2. It perfectly works now...!!!! Many thanks Tom.
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 1 user liked this useful post by antazio
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