5145 ,5146 contact track

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5145 ,5146 contact track - uses

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gwurster1		#1 Posted : 29 December 2024 18:27:08(UTC) Retweet
Joined: 19/03/2021(UTC) Posts: 2 Location: Pennsylvania, Reading		Can I use a 5145 like I would use a 5146 in an analog system. It would be for switch tracks? Thanks


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hermanvk		#2 Posted : 29 December 2024 20:40:50(UTC) Retweet
Joined: 15/11/2023(UTC) Posts: 56 Location: Alberta, Calgary		Originally Posted by: gwurster1 Can I use a 5145 like I would use a 5146 in an analog system. It would be for switch tracks? Thanks I found this: 5146 and 5145


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BenP		#3 Posted : 29 December 2024 22:20:31(UTC) Retweet
Joined: 04/02/2021(UTC) Posts: 477 Location: USA		5145 is half of a contact track. It is used in pairs for crossings. 5146 is a contact track that recognizes direction, called a circuit track. The ground sensing contact track looks like this. Like all analog use of contact tracks, their activation by a train needs to be momentarily. Stopping on one keeps the power flowing (see Jean's reply). Typically fine for crossings that are not stopping areas, but bad for solenoid-based switches and signals. Vintage analog typically uses switch/signal boxes instead of feedback track. (Digital control is another story) Edited by user 30 December 2024 14:35:28(UTC) \| Reason: Not specified
		Digital M track layout with vintage rolling stock and accessories controlled by CS3+Rocrail; small Z scale layout. https://youtube.com/play...0kgVYbh0CeDTF-bYXoD_2-V9


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JohnjeanB		#4 Posted : 29 December 2024 23:00:29(UTC) Retweet
Joined: 04/02/2011(UTC) Posts: 3,550 Location: Paris, France		Hi Originally Posted by: gwurster1 Can I use a 5145 like I would use a 5146 in an analog system. It would be for switch tracks? Thanks These contact tracks, when released in ealy 60s were really an innovation because the use of former contact tracks 5104 and 5105 was very dangerous for the solenoids (at the time without any protection microswitches) So solenoid destruction was almost guaranteed if a train stationned on these older contact tracks. 5145 and 5146 and 5213 were much less likely to cause a catastrophe (because on a 1.5 m long train, the odds to stop exactly where a 5 cm long slider is are minuscule. On the other hand, lighted trains (with multiple sliders) were causing tricky issues (forcing the user to disable the contact after initial pulse was generated. SHORT ANSWER: Yes you may use them without restrictions. They are perfect to throw turnouts or signals On newer digital systems with automation my preference goes to long streches of occupation detection and Märklin offers "events" on a CS3 is generating a pulse from the flanks (starting or ending) of the occupation. So no risk of burning anything, full protection for any "forgotten" car or wagon and serialization of all command pulses. Cheers Jean
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2 users liked this useful post by JohnjeanB		hermanvk, BenP
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