Designed for Signal Maintenance and Testing Staff who require a general appreciation into Relay Interlockings and who have a basic understanding of railway signalling principles.
OBJECTIVES:
At the end of this course successful delegates will have a general knowledge of a Relay Interlocking. This will include the principles of a Push Button Interlocking (PBI), Overlaps and other control circuits.
ENTRY REQUIREMENTS:
Ideally the candidate will have attended a BS2 course and have good diagram reading skills.
COURSE SUMMARY:
- Introduction
- The relay interlocking equipment
- Push buttons
- Route releasing
- Route holding and locking
- Aspect controls
- Relay and circuit designs
- Theory and practical assessments