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Peter Claesson		#1 Posted : 05 February 2019 22:00:21(UTC) Retweet
Joined: 02/03/2018(UTC) Posts: 5 Location: Forsheda Småland		Hi all. Anyone heard of that the S88 connection can fail in a CS2? I've installed a 60880 feedback module and no response from it. I have also tried a feedback module from LDT and same result. Can my CS2 be broken? It has worked before! Thankful for any help.
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rbw993		#2 Posted : 06 February 2019 03:45:29(UTC) Retweet
Joined: 19/08/2008(UTC) Posts: 956		I believe you need a 60883 Link to connect the 60880 to the CS2. Then you must configure the 60883 in the CS2 setup menu to identify the bus (1 or 2) to which the 60880 is attached. The 60883 is bus 0 by default. Regards, Roger My mistake - I was thinking of the 60881 Edited by user 06 February 2019 16:34:51(UTC)  | Reason: Not specified
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PMPeter		#3 Posted : 06 February 2019 04:13:24(UTC) Retweet
Joined: 04/04/2013(UTC) Posts: 1,275 Location: Port Moody, BC		Originally Posted by: rbw993 I believe you need a 60883 Link to connect the 60880 to the CS2. Then you must configure the 60883 in the CS2 setup menu to identify the bus (1 or 2) to which the 60880 is attached. The 60883 is bus 0 by default. Regards, Roger I connect my Maerklin S88 decoders directly to my CS2 with no 60883. I believe you are thinking about the CS3. Peter
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PMPeter		#4 Posted : 06 February 2019 04:16:23(UTC) Retweet
Joined: 04/04/2013(UTC) Posts: 1,275 Location: Port Moody, BC		Originally Posted by: Peter Claesson Hi all. Anyone heard of that the S88 connection can fail in a CS2? I've installed a 60880 feedback module and no response from it. I have also tried a feedback module from LDT and same result. Can my CS2 be broken? It has worked before! Thankful for any help. Make sure that you have not lost the reference (O; brown wire; ground; or whatever you want to call it) connection to the inverted T terminal of the 60880. Peter
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clapcott		#5 Posted : 06 February 2019 05:29:03(UTC) Retweet
Joined: 12/12/2005(UTC) Posts: 2,435 Location: Wellington, New_Zealand		Originally Posted by: Peter Claesson Hi all. Anyone heard of that the S88 connection can fail in a CS2? I've installed a 60880 feedback module and no response from it. I have also tried a feedback module from LDT and same result. Can my CS2 be broken? It has worked before! Possible but unlikely. As mentioned check the return reference. The next most common thing to check is the cable. - installed in the correct port - installed up the correct way - wire in cable head/plug broken I am presuming that you have set up a "dot" on the layout board for the sensors to display. And have tested by jumpering a wire to from a port directly to the "T"
		Peter
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Peter Claesson		#6 Posted : 06 February 2019 07:04:12(UTC) Retweet
Joined: 02/03/2018(UTC) Posts: 5 Location: Forsheda Småland		I have never connected any wire to the T port before. It have been working fine. How do i connect that, from track?
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PMPeter		#7 Posted : 06 February 2019 07:18:29(UTC) Retweet
Joined: 04/04/2013(UTC) Posts: 1,275 Location: Port Moody, BC		Originally Posted by: Peter Claesson I have never connected any wire to the T port before. It have been working fine. How do i connect that, from track? Based on your question I am assuming you do not have a red (B) and brown (O) wire power bus providing power drops to your layout every 2 metres. If you did you could provide an O connection between any point on that bus to the T port. If you have no distribution bus and you are using C track you can connect a reference wire from any of the O spade connectors below the track to the T port of the S88 decoder. If you have K track you could solder a wire to one of the rail joiners and connect that wire to the T port. Without that reference connection your S88 will not work properly. Peter
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PeFu		#8 Posted : 06 February 2019 07:26:35(UTC) Retweet
Joined: 30/08/2002(UTC) Posts: 1,209		Originally Posted by: Peter Claesson Hi all. Anyone heard of that the S88 connection can fail in a CS2? ... I have also tried a feedback module from LDT and same result. Which LDT unit?
		Andreasburg-Mattiasberg Bahn is inspired by Swiss railways |Forum Thread |Track Plan |Youtube | C and K track | CS2 | TrainController Gold V10
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Peter Claesson		#9 Posted : 06 February 2019 10:05:20(UTC) Retweet
Joined: 02/03/2018(UTC) Posts: 5 Location: Forsheda Småland		Originally Posted by: PeFu Originally Posted by: Peter Claesson Hi all. Anyone heard of that the S88 connection can fail in a CS2? ... I have also tried a feedback module from LDT and same result. Which LDT unit? RM-88-N
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PMPeter		#10 Posted : 06 February 2019 16:11:20(UTC) Retweet
Joined: 04/04/2013(UTC) Posts: 1,275 Location: Port Moody, BC		It doesn't matter whether it is a LDT or Maerklin S88 decoder, the first S88 decoder in the chain needs to have the reference wire connected to the T terminal/port. I was thinking that if you have a CS2 and are using S88 decoders you surely have other decoders on the layout for switches, signals, lights, etc. that require B and O power connections. If that is the case you can take the reference wire from anywhere where you have an O connection. Peter
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Peter Claesson		#11 Posted : 06 February 2019 22:43:22(UTC) Retweet
Joined: 02/03/2018(UTC) Posts: 5 Location: Forsheda Småland		Anyone know i can get my cs2 checken in Sweden. Nothing of the above seems to help.
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PeFu		#12 Posted : 07 February 2019 00:39:17(UTC) Retweet
Joined: 30/08/2002(UTC) Posts: 1,209		Originally Posted by: Peter Claesson Anyone know i can get my cs2 checken in Sweden. Nothing of the above seems to help. Is your LDT module connected as follows? Are your modules connected via ethernet/patch cable, or via standard S88 cable? It could make sense to try the more reliable ethernet/patch cable variant. To connect the modules to CS2, you need the following items from https://tams-online.de: 1 x S88-15 (Short 15 cm Wire) 1 x S88-A-SL (Adapter)
		Andreasburg-Mattiasberg Bahn is inspired by Swiss railways |Forum Thread |Track Plan |Youtube | C and K track | CS2 | TrainController Gold V10
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PeFu		#13 Posted : 07 February 2019 00:56:15(UTC) Retweet
Joined: 30/08/2002(UTC) Posts: 1,209		Originally Posted by: PMPeter It doesn't matter whether it is a LDT or Maerklin S88 decoder, the first S88 decoder in the chain needs to have the reference wire connected to the T terminal/port. Actually, wiring could be different depending on module type, see below: Using these modules, wiring is the same no matter if it’s the first or last module in the chain.
		Andreasburg-Mattiasberg Bahn is inspired by Swiss railways |Forum Thread |Track Plan |Youtube | C and K track | CS2 | TrainController Gold V10
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PMPeter		#14 Posted : 07 February 2019 04:25:00(UTC) Retweet
Joined: 04/04/2013(UTC) Posts: 1,275 Location: Port Moody, BC		True. If it is a LDT Opto version you need to connect the B (red) to the T terminal. However, he had already replied that it was the standard LDT RM-88-N version, not the Opto, so the O wire connection is the correct connection for either the Maerklin or LDT decoder. The point I am trying to make is that you need to connect the appropriate wire (whether O or B) to the T port/terminal usually at the first decoder module regardless of the manufacturer. You cannot leave it disconnected and expect the S88 to work correctly.
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PeFu		#15 Posted : 07 February 2019 07:20:51(UTC) Retweet
Joined: 30/08/2002(UTC) Posts: 1,209		Originally Posted by: PMPeter True. If it is a LDT Opto version you need to connect the B (red) to the T terminal. However, he had already replied that it was the standard LDT RM-88-N version No he didn’t, and that’s why I asked the question of LDT model... However, it seems like we have the same view on how the S88’s should be connected, and that is the only real important thing here. But I don’t understand how the setup can have worked, without the ”T” connection?
		Andreasburg-Mattiasberg Bahn is inspired by Swiss railways |Forum Thread |Track Plan |Youtube | C and K track | CS2 | TrainController Gold V10
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PMPeter		#16 Posted : 07 February 2019 15:17:14(UTC) Retweet
Joined: 04/04/2013(UTC) Posts: 1,275 Location: Port Moody, BC		Originally Posted by: PeFu Originally Posted by: PMPeter True. If it is a LDT Opto version you need to connect the B (red) to the T terminal. However, he had already replied that it was the standard LDT RM-88-N version No he didn’t, and that’s why I asked the question of LDT model... However, it seems like we have the same view on how the S88’s should be connected, and that is the only real important thing here. But I don’t understand how the setup can have worked, without the ”T” connection? Please refer to his answer in Post #9.
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Peter Claesson		#17 Posted : 07 February 2019 16:18:41(UTC) Retweet
Joined: 02/03/2018(UTC) Posts: 5 Location: Forsheda Småland		Thanks for your input guys, tried a lot yeterday. Still no response. I think i have to send my CS2 and get it checked.
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siroljuk		#18 Posted : 07 February 2019 16:53:05(UTC) Retweet
Joined: 29/10/2010(UTC) Posts: 377		Originally Posted by: Peter Claesson Hi all. Anyone heard of that the S88 connection can fail in a CS2? What version of CS2 you have.In older Hardware-versions there was not galvanic isolation and s88may stop working for quite simple reason. In my older CS2 was that oldest version and in that S88 stopped working. Reason was that something was burned and Märklin Service changed the whole main board inside. Regards Jukka
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French_Fabrice		#19 Posted : 07 February 2019 21:01:29(UTC) Retweet
Joined: 16/05/2011(UTC) Posts: 1,476 Location: Lyon, France		Hello, Just a shot in the dark: -Are you sure the ribbon cable is correctly inserted in the CS2 ? Last time I did it, I shifted one pin, so nothing run Good luck Fabrice
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Elsleuth1		#20 Posted : 27 August 2019 21:10:31(UTC) Retweet
Joined: 23/04/2014(UTC) Posts: 104		A question in the same vein. I have a CS2 with 16 S88s and 5 trains running automatically at the same time. All has worked perfectly for 6 months. Yesterday all the yellow dots on the CS2 track layout suddenly turned yellow at the same time. Why? What would cause this? This morning same thing. Everything working perfectly, suddenly all S88s turned yellow causing my signals to all turn green. Ideas?
		WWW
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Elsleuth1		#21 Posted : 27 August 2019 22:03:46(UTC) Retweet
Joined: 23/04/2014(UTC) Posts: 104		I cleaned and organized my wiring to the CS2 paying particular attention to the S88 connection pins. Seems to work now.
		WWW
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kiwiAlan		#22 Posted : 27 August 2019 23:45:11(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,109 Location: ENGLAND, Didcot		Originally Posted by: Elsleuth1 A question in the same vein. I have a CS2 with 16 S88s and 5 trains running automatically at the same time. All has worked perfectly for 6 months. Yesterday all the yellow dots on the CS2 track layout suddenly turned yellow at the same time. Why? What would cause this? This morning same thing. Everything working perfectly, suddenly all S88s turned yellow causing my signals to all turn green. Ideas? How long is the wires from the s88's to the tracks where the detection is taking place? I'm thinking that someone with a radio telephone or ham radio started transmitting while nearby, and the signal got into your wiring. Keeping wiring short will help reduce this possibility.
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Elsleuth1		#23 Posted : 28 August 2019 02:55:23(UTC) Retweet
Joined: 23/04/2014(UTC) Posts: 104		About 8 feet.
		WWW
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Elsleuth1		#24 Posted : 04 September 2019 17:23:02(UTC) Retweet
Joined: 23/04/2014(UTC) Posts: 104		It is happening again. All S88s on the CS2 track layout suddenly turned yellow at the same time. Why? Checked the T to ground. Cleaned all terminals. Still all S88s are yellow. Edited by user 05 September 2019 02:05:16(UTC)  | Reason: Not specified
		WWW
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