Question about Marklin Semaphore Signals

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Question about Marklin Semaphore Signals - I'm trying to figure what's the difference between two sets.

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WetterauSüd		#1 Posted : 13 May 2024 05:01:18(UTC) Retweet
Joined: 14/04/2024(UTC) Posts: 5 Location: Huntsville, Alabama		Link: https://www.maerklin.de/...e-h0/accessories/signals I'm trying to understand the difference between two sets of Marklin semaphore signals They are: Group 1 -- 70391/70392/70411/70412 "Hauptsignal" Group 2 -- 70393/70394/70413/70414 "Formhauptsignal" These the differences I've noted: odd / even -- Narrow vs. Lattice Mast 300 series / 400 series -- single vs. dual signal on one mast Group 1 vs. Group 2 -- I can't figure this out. I've searched the web. I've no luck distinguishing "Formhauptsignal" from "Hauptsignal". I've used the optometrist method of switching between the top sheets of the pdf files -- can't see a differnece. My questions are these: Narrow vs. Lattice mast -- is this simply a design aesthetic? If not, when should one choose one over the other? single vs. dual signals -- what is the appropriate use-case for either these signals? What is the difference between Group1 & Group 2? Thanks,


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Kiko		#2 Posted : 13 May 2024 05:49:58(UTC) Retweet
Joined: 13/02/2017(UTC) Posts: 159 Location: Ottawa, ON		Originally Posted by: WetterauSüd Group 1 vs. Group 2 -- I can't figure this out. I've searched the web. I've no luck distinguishing "Formhauptsignal" from "Hauptsignal". I've used the optometrist method of switching between the top sheets of the pdf files -- can't see a differnece. My questions are these: Narrow vs. Lattice mast -- is this simply a design aesthetic? If not, when should one choose one over the other? single vs. dual signals -- what is the appropriate use-case for either these signals? What is the difference between Group1 & Group 2? Hello, Even though I only use Viessmann semaphores, which are a bit different, I took a look at these Marklin products and can offer my take. The only difference that I noticed between Group 1 and Group 2 is that Group 1 only specifies "MFX" vice Group 2 specifies all digital protocols (FX, MFX and DCC). There could be something else that I missed. As for your other questions: "Narrow vs. Lattice" -- cosmetic difference (Era and/or location). "Single vs. Dual" is more complex. Note: For this explanation I will use the following convention: 0 degrees = pointing up and 180 degrees = pointing down. A "single" arm semaphore is used to indicate "red" or "green" (i.e., stop or proceed). Display is as follows: (1) arm is at 90 degrees = stop. (2) arm is at 45 degrees = proceed. A "dual arm" semaphore can have either: (A) "interconnected arm movement" or (B) "independent arm movement". (A) If the arms are "interconnected", then the semaphore can indicate only two positions, either "red" or "yellow" (i.e. stop or proceed with caution). Display is as follows: (1) top arm is at 90 degrees and bottom arm at 0 degrees = stop. (2) top and bottom arms are both at 45 degrees = proceed with caution. (B) If the arms are "independent", then the semaphore can indicated three positions, either "red" or "yellow" or "green" (i.e., stop, proceed with caution, proceed). Display is as follows: (1) top arm is at 90 degrees and bottom arm at 0 degrees = stop. (2) top and bottom arms are both at 45 degrees = proceed with caution. (3) top arm is at 45 degrees and bottom arm at 0 degrees = proceed. As a side note for digital use: a "single arm" or "dual interconnected arm" semaphore requires one digital address to control its two aspects. However, a "dual independent" arm semaphore requires two digital addresses to control its three apsects. I hope this sheds some light. Again, I don't use Marklin semaphores, but the principle should be the same. Cheers, Andry
		Andry // Marklin HO K track; ECoS; TrainController Gold; Marklin & ESU decoders; Arduino controlled Switches, Semaphores & Accessories (DCC); Win 11 //

2 users liked this useful post by Kiko		dave55uk, Willem99
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kiwiAlan		#3 Posted : 13 May 2024 14:27:58(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,464 Location: ENGLAND, Didcot		You may like to peruse these manuals that Marklin published back in the days of analogue operation. This is the 0340 Signal Manual which has explanations of the signal aspects. This is an older version of the same manual, and is the one I remember perusing as a kid.


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WetterauSüd		#4 Posted : 13 May 2024 14:59:05(UTC) Retweet
Joined: 14/04/2024(UTC) Posts: 5 Location: Huntsville, Alabama		That's excellent information! Thank you both for the replies. As is typical, I found an answer after I asked my question. This video gives good information:

1 user liked this useful post by WetterauSüd		marklinist5999
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MALAVIKA		#5 Posted : 30 May 2024 14:10:58(UTC) Retweet
Joined: 06/01/2019(UTC) Posts: 30 Location: Maharashtra, Pune		I am from India and now 81 years , I am having difficulty with Marklin Signals Semaphore and the red and green light ones too when connectrd to the transformer through rhe 7072 Blue box the arme do not move. How do I test if they work and how do I clean them after opening up the top cover, I think they just need cleaning so every thing starts moving again. The lights are OK and glow. Most of my Marklin HO analog sets are more than 50 year old, all the engines are still running, Please help and advise. THank you


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