Joined: 07/01/2015(UTC) Posts: 733 Location: England, Suffolk
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I have 3 of these solenoids but don't know what they are for. Not semaphores, not warning signals, just the solenoid with and extra red cable, where does it go?  Thank you
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Joined: 04/02/2011(UTC) Posts: 3,578 Location: Paris, France
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Hi They are universal relays 7045 by Märklin Here is an extract of a Märklin notice on signals with a wiring diagram  I hope this helps Jean |
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Joined: 07/01/2015(UTC) Posts: 733 Location: England, Suffolk
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N and M identify the sockets on the back of the solenoid, correct ? What do I plug in these two sockets ?
But the L cable where does it go ? Into a device or in a 7072 and to do what ?
Thank you
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Joined: 16/05/2011(UTC) Posts: 1,489 Location: Lyon, France
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Hello, The relay establishes an electric circuit between LM or LN, depending on the coil position. You can use it to provide a light switch on/off for instance... Try to download the 0341 signal book here http://www.lctm.info/Sec...lioteca/Libros/index.php . There are a few examples of use of 7045 in it. A K84 (old 6084) is/was the same than 4 x 7045. Cheers Fabrice
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Joined: 15/12/2005(UTC) Posts: 3,597 Location: Spain
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I use one of them for the power to my alpine-station helix; When the train enters the helix going UP, a circuit-track changes the relay to power the helix with HIGH voltage. Another circuit track at the top of the helix, changes the relay to power the helix with LOW voltage for trains going down. On my previous layout I also used them as a kind of "1-bit memory"; Every second train would stop, wait and allow itself to be overtaken in a station. They are extremely rugged, and have no problem with having the coils powered continuously. It gets hot, but it doesn't break! Old-school vintage analogue! |
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Joined: 07/01/2015(UTC) Posts: 733 Location: England, Suffolk
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so this means that I could use the k83 with a 7045 to control the magnet of my 7051 crane ? Marklin's digital booklet says that I can control the 7051 with a k83 and a k84, which is similar to 4 x 7045, to control the magnet. Thank you for your support folks
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Joined: 04/02/2011(UTC) Posts: 3,578 Location: Paris, France
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Hi Yes, among other things you could control your 7051 magnet with it. Other applications are allow a bi-directional signaling, change the voltage when uphill or downhill Cheers Jean |
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Joined: 07/01/2015(UTC) Posts: 733 Location: England, Suffolk
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Operation succeeded!! The 7045 controls the magnet perfectly. In order to do this I have to use 3 of the four ports of the k83 One for the 7045 One for lowering/raising the hook One for the rotation of the crane
I enjoyed doing this experiment 🙂 Thank you for your support once again everybody
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