Need help with Trigger Multiple Signal Rule

Apogee10

New member
http://img.photobucket.com/albums/v248/Apogee10/Crossing.jpg

I am using Trigger Multiple Signal Rule to protect the crossing shown above.

1. Prior to any train crossing triggers TA or TB signals SA and SB indicate "Track clear for next 2 Blocks" and trains pass the signals okay.

2. Train A crosses trigger TA and both signals indicate "Block ahead is occupied" and Train B stops at signal SB.

3. Train A clears triggers TA and TB and signals SA and SB indicate "Track clear for next 2 blocks".

4. Train B does not move. Message board indicates "XXXX awaiting track clearance".

The TMS rule is working exactly as it's supposed to. I simply don't know why Train B does't continue when given the all clear. The signals indicate the triggers are clear so I know that Train B hasn't stopped itself. I have moved signals, changed signals, moved triggers and nothing seems to solve the problem.

I need help

Thanks

Earl

Edit: I have solved my problem but I don't know exactly why. I simply kept changing signals until I found one that works. I am just learning some of the signals and it's obvious that my application takes a certain type signal.
 
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