RI (Relay Interlocking)
RT Training Solutions 91 Dales Road, IpswichDesigned 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











