Relay Interlocking
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.
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
Duration: 5 days | Delegates: 6 | Venue: RT Training Solutions in Ipswich
Route Relay Interlocking
Designed for Signal Maintenance and Testing Staff who are required to maintain and fault find on Route Relay Interlockings.
Designed for Signal Maintenance and Testing Staff who are required to maintain and fault find on Route Relay Interlockings.
Objectives:
At the end of this course successful delegates will be able to:
- Understand the principles of a Route Relay Interlocking
- Carry out routine maintenance on a Route Relay Interlocking
- Recognise faults within the system and rectify them
- Replace Damaged Equipment
Entry Requirements:
Ideally the candidate will have attended Basic Signalling Two (BS2) and Relay Interlocking courses and have good diagram reading skills.
Course Summary:
- Overview of interlocking
- Push Button Interlocking
- Route interlocking
- Sectional route locking
- Aspect controls
- Route normalisation
- Indications
- Relay and circuit design exercises
- Routine maintenance
- Theory and practical assessments
Duration: 10 days | Delegates: 6 | Venue: RT Training Solutions in Ipswich
Solid State Interlocking Appreciation
Designed for Signal Maintenance and Testing Staff who require a general appreciation into SSI equipment and who have a basic understanding of railway signalling principles.

Designed for Signal Maintenance and Testing Staff who require a general appreciation into SSI equipment and who have a basic understanding of railway signalling principles.
Objectives:
At the end of this course successful delegates will have: General knowledge of SSI systems. This will include the principles of a Central Interlocking and an understanding of Trackside Functional Modules.
Entry Requirements:
Ideally the candidate would have attended the BS2 and Basic Diagram Reading courses.
Course Summary:
- Introduction
- The Central Interlocking equipment
- Technician’s Terminal theory and practical
- Data Link Module principles
- Signal and Points Modules principles
- Location wiring diagrams
- Interface between S2 Panel Multiplex and SSI systems
- Theory and practical assessments
Duration: 3 days | Delegates: 6 | Venue: RT Training Solutions in Ipswich
Solid State Interlocking Faulting & Maintenance
Designed for Signal Maintenance and Testing Staff who are required to maintain and fault find on Solid State Interlockings.
Designed for Signal Maintenance and Testing Staff who are required to maintain and fault find on Solid State Interlockings.
Objectives:
At the end of this course successful delegates will be able to:
- Carry out routine maintenance on SSI equipment
- Recognise faults shown on the Technicians Terminal and rectify them
- Understand and check input and output telegrams from the Central Interlocking
- Replace damaged or failed equipment
Entry Requirements:
Ideally the candidate would have attended a BS2 and an SSI Appreciation course.
Course Summary:
- Overview of system
- System components behaviour
- Location diagrams
Use of Technician’s Terminal:
- Fault symptoms
- Telegraph monitoring
- Apply controls
- Data logging and retrieval
- Use of data link interrogator
- Use of Go/No go test Set
- Fault Finding
- Component replacement
- Routine Maintenance
- Data Link Survey
Duration: 10 days | Delegates: 6 | Venue: RT Training Solutions in Ipswich















