Signalling MOD Design Process

Signalling MOD Design Process

Signalling MOD Design Process Design Modification 1. Modifications are only used once installation has commenced. i.e on issue of installation copy. 2. Modification sheets are issued with the following aims: a. Expediency of issue b. Clarity of modification 3. Modification process requires strict configuration control of all modifications made to issued sheets. 4. This is […]

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Railway SCS to Relay Rack Interface – JNUP Thales 

Railway SCS to Relay Rack Interface – JNUP Thales  SCS Electronics Rack/Relay Rack Interface * SELTRAC Overview * SCS Electronics Rack Overview * SCS/Relay Rack Interface * ACE/Relay Rack Interface * Reference Documents SELTRAC OVERVIEW   SCS ELECTRONICS RACK OVERVIEW   * Each SCS contains two computers known as ‘INTERSIG A’ and ‘INTERSIG B’. * […]

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FOUR FOOT POINT MACHINE

Prototype RS Indicator|Point Selection Schematic|Four Foot Points Machine

Prototype RS Indicator|Point Selection Schematic|Four Foot Points Machine •Route secure indicators are mounted at the side of the track and use LEDs to display a route indication to the train operator. •They are not used in normal operations. •They are used after a failure:  to permit failed trains that cannot communicate with the VCC […]

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