UWC system warnings for SSI areas

1. UWC system warnings for SSI areas Run SLIDE SHOW. After this slide, the presentation advances automatically; manually advancing will bypass the animations.

2. Single line

3. Connection 1/6 LOC

4. Connection 2/6 LOCATION CASE Data Link test points

5. Connection 3/6 LOCATION CASE The UWC warning system decodes telegrams from the SSI Data Link, to see when track circuits are occupied. Data Link test points Warningsystem

6. Connection 4/6

7. Connection 5/6 Red STOP Green Clear IF NO LIGHT – PHONE CROSSING OPERATOR

8. Connection 6/6 Red STOP Green Clear IF NO LIGHT – PHONE CROSSING OPERATOR The warning light for the crossing user is controlled by the system.

9. Single line description The system will light the red warning lamp when any of track sections AB to AD are occupied.

10. Single line animation Track item State Indication Track AB Occupied Clear Track AC Occupied Clear Track AD Occupied Clear Track AE Clear Occupied

11. Single line end

12. Single line 2 train description If a second train occupies the approach track circuits, the system will not cancel its warning.

13. Single line 2 train animation Track item State Indication Track AB Clear Occupied Track AC Clear Occupied Track AD Clear Occupied Track AE Clear Occupied

14. Single line 2 train end

15. Diverging jct description The system can also see points detection from the SSI telegrams. If the points are reverse, no warning will be given of a train approaching the junction.

16. Diverging jct reverse Track item State Indication Track AB Clear Track AC Clear Track AD Clear Track AE Clear Points 1001 Detected Reverse

17. Diverging jct rev-norm Track item State Indication Track AB Clear Track AC Clear Track AD Clear Track AE Clear Points 1001 Out of correspondence

18. Diverging jct (normal) animation Track item State Indication Track AB Occupied Clear Track AC Occupied Clear Track AD Occupied Clear Track AE Occupied Clear Points 1001 Detected Normal

19. Diverging jct norm-rev Track item State Indication Track AB Clear Track AC Clear Track AD Clear Track AE Clear Points 1001 Out of correspondence

20. Diverging jct (reverse) animation Track item State Indication Track AB Occupied Clear Track AC Occupied Clear Track AD Clear Track AE Clear Points 1001 Detected Reverse

21. Diverging jct end

22. Station description The system can also see a signal’s state and proving from the SSI telegrams. If signal 101 is red, no warning will be generated unless AC becomes occupied (due to a SPAD).

23. Station animation Track item State Lit lamp Track AB Occupied Clear Signal 101 █ Yellow █ Red Track AC Occupied Clear Track AD Occupied Clear Track AE Occupied Clear

24. Station end

25. The End End of presentation