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Virtual Signal Masts for End-Blocks


 

Running JMRI 5.11 and have created a number of Signal Masts, each using DCC Signal Heads (I use NCE Light-Its). I am wondering if I have setup something wrong, or if someone can some provide some guidance on the following situation.?
?
I have a turnout which either continues the mainline, or if thrown diverges to an end track. I setup two rules for my signal mast (Signal-A). The first from Signal-A to Signal-B (both on the mainline) and based on the turnout being set to Closed.?
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For the second rule, it is Signal-A to Virtual-A where the turnout is Thrown.?
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Virtual-A is defined as a Virtual Signal Mast as it is at the end of a track line. However, Signal-A is always at a Stop state because Virtual-A is never set to a state unless I manually set it to Clear. When I do this, and if the Turnout is Thrown, then Signal-A correctly changes to Clear. But otherwise Signal-A is not in the correct state because it is linked to Virtual-A and Virtual- is unset.?
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Am I using the Virtual Signal in the right way for these situations where the track ends??


 

Which signal system are you using for the signal masts? ?Have you created the signal mast logic (SML) from Signal-A to Virtual-A?

Dave Sand



----- Original message -----
Subject: [jmriusers] Virtual Signal Masts for End-Blocks
Date: Thursday, April 10, 2025 9:21 PM

Running JMRI 5.11 and have created a number of Signal Masts, each using DCC Signal Heads (I use NCE Light-Its). I am wondering if I have setup something wrong, or if someone can some provide some guidance on the following situation.?
?
I have a turnout which either continues the mainline, or if thrown diverges to an end track. I setup two rules for my signal mast (Signal-A). The first from Signal-A to Signal-B (both on the mainline) and based on the turnout being set to Closed.?
?
For the second rule, it is Signal-A to Virtual-A where the turnout is Thrown.?
?
Virtual-A is defined as a Virtual Signal Mast as it is at the end of a track line. However, Signal-A is always at a Stop state because Virtual-A is never set to a state unless I manually set it to Clear. When I do this, and if the Turnout is Thrown, then Signal-A correctly changes to Clear. But otherwise Signal-A is not in the correct state because it is linked to Virtual-A and Virtual- is unset.?
?
Am I using the Virtual Signal in the right way for these situations where the track ends??


 

All my spurs are terminated with virtual dwarf masts. All are set to stop and saved. My SML is auto-generated. The mast at the turnout throat rightly displays approach when the turnout is aligned to the ?spur.
--
Ken
NYNH&H, Old Colony Division, Cape Cod Branch (1949-1959)
Loconet * JMRI 5.11.4 * OSX,Win10,Ubuntu
Blog: ?
Youtube:


 

A signal mast that is only a SML destination mast will automatically display Stop.

Dave Sand


----- Original message -----
From: "Ken Heywood via groups.io" <kheywood=[email protected]>
Subject: Re: [jmriusers] Virtual Signal Masts for End-Blocks
Date: Friday, April 11, 2025 3:13 AM

All my spurs are terminated with virtual dwarf masts. All are set to stop and saved. My SML is auto-generated. The mast at the turnout throat rightly displays approach when the turnout is aligned to the ?spur.
--
Ken
NYNH&H, Old Colony Division, Cape Cod Branch (1949-1959)
Loconet * JMRI 5.11.4 * OSX,Win10,Ubuntu
Blog: ?
Youtube: