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7039/7041 signal automatic and manual usage HELP? - use7039 semaphore signal for automatic and manual operation same time?
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Offline ddcullen  
#1 Posted : 03 November 2022 16:03:38(UTC)
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ddcullen

United States   
Joined: 02/11/2022(UTC)
Posts: 2
Location: newport, RI
Confused
I have a medium complex analogue M-Track layout. trying to set up automatic locomotive control with 7039/7041 semaphore signals with 5146/5147 switch tracks - HOWEVER - i still want to use 7072 control boxes for manual override of the 7039/7041 when desired (ie. when i wish to be able to manually restore power to a prescribed dead-zone thrown by 5146/5147 when a train doesn't cross over the far 5146/5147 switching track to 'clear' it.)

- question: can the 7039/7041 be set up to use both the switching tracks AND control boxes simultaneously?

Thanks - David
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Offline Martti Mäntylä  
#2 Posted : 03 November 2022 21:06:45(UTC)
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Martti Mäntylä

Finland   
Joined: 15/11/2018(UTC)
Posts: 398
Location: Uusimaa, Helsinki
I don't see any reason why this would not be possible. Just add branching wires from the red and green control wires to a switchbox, in addition to the wires going to the switch tracks. The semaphores do not care how they get the control signal, or whether there are multiple sources for it.
- Martti M.
Era III analog & digital (Rocrail, CAN Digital Bahn, Gleisbox/MS2, K83/K84), C & M tracks, some Spur 1
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thanks 3 users liked this useful post by Martti Mäntylä
Offline owidgie  
#3 Posted : 08 November 2022 02:46:17(UTC)
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owidgie

United States   
Joined: 03/06/2007(UTC)
Posts: 150
I am trying to do the same thing, but the problem is that I can turn Signal #2 to green with a control box and it will also turn signal #1 red.

I need to control only a single signal with a control box position. Since I am using circuit tracks, any input from a control box activates the signal behind it.

I tried a 4001 diode with no luck. Am I over driving the diode with analog power?

Thanks

Rick
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Offline Michael4  
#4 Posted : 08 November 2022 09:53:02(UTC)
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Michael4

United Kingdom   
Joined: 02/02/2017(UTC)
Posts: 643
Location: England, South Coast
Have you considered using 7045 (the remote switch) to break the circuit to the signal you don't want to change?
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Offline hxmiesa  
#5 Posted : 08 November 2022 14:23:03(UTC)
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hxmiesa

Spain   
Joined: 15/12/2005(UTC)
Posts: 3,522
Location: Spain
Originally Posted by: owidgie Go to Quoted Post
I tried a 4001 diode with no luck. Am I over driving the diode with analog power?

No overdrive, but you need 2 diodes!
-One coming from the 7072 and the other from the track-contact. Both going to the signal.
That is per solenoid, so you would need 4 diodes, if you want to control both red AND green from both the 7072 AND 2 contact-tracks.
Best regards
Henrik Hoexbroe ("The Dane In Spain")
http://hoexbroe.tripod.com
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Offline BenP  
#6 Posted : 08 November 2022 14:44:46(UTC)
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BenP

United States   
Joined: 04/02/2021(UTC)
Posts: 344
Location: Michigan, Ann Arbor
Originally Posted by: ddcullen Go to Quoted Post
Confused
I have a medium complex analogue M-Track layout. trying to set up automatic locomotive control with 7039/7041 semaphore signals with 5146/5147 switch tracks - HOWEVER - i still want to use 7072 control boxes for manual override of the 7039/7041 when desired (ie. when i wish to be able to manually restore power to a prescribed dead-zone thrown by 5146/5147 when a train doesn't cross over the far 5146/5147 switching track to 'clear' it.)

- question: can the 7039/7041 be set up to use both the switching tracks AND control boxes simultaneously?

Thanks - David


Add a power feeder track to the blocked section that becomes live (interrupting red wire) when turning on using push-button switch (permanent type, like 7210 switch; not pulse type).
Later adddition: you should only use the switch for track power (red wire; can be 0V); not to share with accessories permanent power (yellow wire).

j38_001_b45dbd5f-dbdf-470d-9e84-582756c78acf.jpg

Edited by user 08 November 2022 23:39:31(UTC)  | Reason: Not specified

Digital M (+ some K) track layout with mostly vintage rolling stock and accessories, and small Z scale layout.
https://youtube.com/play...0kgVYbh0CeDTF-bYXoD_2-V9
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Offline ddcullen  
#7 Posted : 08 November 2022 22:09:08(UTC)
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ddcullen

United States   
Joined: 02/11/2022(UTC)
Posts: 2
Location: newport, RI
Originally Posted by: BenP Go to Quoted Post
Originally Posted by: ddcullen Go to Quoted Post
Confused
I have a medium complex analogue M-Track layout. trying to set up automatic locomotive control with 7039/7041 semaphore signals with 5146/5147 switch tracks - HOWEVER - i still want to use 7072 control boxes for manual override of the 7039/7041 when desired (ie. when i wish to be able to manually restore power to a prescribed dead-zone thrown by 5146/5147 when a train doesn't cross over the far 5146/5147 switching track to 'clear' it.)

- question: can the 7039/7041 be set up to use both the switching tracks AND control boxes simultaneously?

Thanks - David

663A9C83-CFD3-4080-A466-1DC60FA27647.jpeg
Add a power feeder track to the blocked section that becomes live (interrupting red wire) when turning on using push-button switch (permanent type, like 7210 switch; not pulse type).
j38_001_b45dbd5f-dbdf-470d-9e84-582756c78acf.jpg


Ahhhhh…. I like this idea! Thx. Very slick! My layout…
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Offline owidgie  
#8 Posted : 08 November 2022 22:50:42(UTC)
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owidgie

United States   
Joined: 03/06/2007(UTC)
Posts: 150
Originally Posted by: hxmiesa Go to Quoted Post
Originally Posted by: owidgie Go to Quoted Post
I tried a 4001 diode with no luck. Am I over driving the diode with analog power?

No overdrive, but you need 2 diodes!
-One coming from the 7072 and the other from the track-contact. Both going to the signal.
That is per solenoid, so you would need 4 diodes, if you want to control both red AND green from both the 7072 AND 2 contact-tracks.



Hi Henrik, in this very crude diagram, where exactly and what direction do I insert the diodes? Electronics are my weakness! BigGrin

Thanks

Rick

Paint Blank copy.png
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Offline hxmiesa  
#9 Posted : 09 November 2022 10:32:57(UTC)
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hxmiesa

Spain   
Joined: 15/12/2005(UTC)
Posts: 3,522
Location: Spain
Originally Posted by: owidgie Go to Quoted Post
Hi Henrik, in this very crude diagram, where exactly and what direction do I insert the diodes? Electronics are my weakness! BigGrin

diodes.png

Best regards
Henrik Hoexbroe ("The Dane In Spain")
http://hoexbroe.tripod.com
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Offline owidgie  
#10 Posted : 09 November 2022 18:54:11(UTC)
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owidgie

United States   
Joined: 03/06/2007(UTC)
Posts: 150
PERFECT!!!


Thank you very much!!

ThumpUp

Rick
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