Search found 4 matches
- Thu Dec 01, 2005 5:33 pm
- Forum: Real Railway Discussion
- Topic: AHB
- Replies: 23
- Views: 2359
the time out is for the event of intermittant track circuit or treadle failures around the crossing,of for if the s+t are testing.when all track circuits and treadles have been normal for the time out period(2-3 min) the barriers will raise. if the normal sequence is carried out with a train approac...
- Wed Nov 30, 2005 7:18 pm
- Forum: Real Railway Discussion
- Topic: Dorset Coast area
- Replies: 6
- Views: 1240
- Wed Nov 30, 2005 7:13 pm
- Forum: Real Railway Discussion
- Topic: AHB
- Replies: 23
- Views: 2359
AHB crossings definitely do have a time out facility which can be 2-3 minutes. if a train stops after starting the sequence ,but before reaching the crossing,the barriers should stay down until the train has passed the crossing. in some places where a train may need to stop before the crossing(stati...
- Wed Nov 23, 2005 8:09 pm
- Forum: Real Railway Discussion
- Topic: 4-TC unit preserved
- Replies: 32
- Views: 2244