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         Block Signalling Laboratory


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Block Signalling Laboratory


Officer Incharge : Smt K Rajani Devi
Supervisor Incharge: Shri B U M K Sridhar 

Description:
Block Signalling Lab has various types of block instruments being used on Indian Railways. Both Table top miniature models, actual Instruments & Various parts of the equipments give clear idea including inaccessible parts. Digital Flexi charts depict detailed circuits of these Block Instruments and related accessories.

This lab has the following equipments:

  • Single Line
    • >> Token Instruments - Neale's Ball and Tablet Token instrument
    • >> Tokenless Instruments
      •     i. Push button type: In 3 versions (36 relay, 40 relay, and all Q style relay versions)
      •     ii. Frequency Modulation (Handle) Type: Daido Type

  • Double line block instruments of makes:
    • >> SGE (London)
    • >> Byculla Work shop (Central Railway)
    • >> Howrah Work shop (Eastern Railway)
    • >> Podanur work shop (Southern Railway)

  • Block Working through Axle Counters :
    • >> With Optic Fibre using existing Block Instruments.
    • >> With Separate Block Panels.

  • Intermediate block signalling with Auto TOL feature.


Source : Indian Railways Divisional Portal CMS Team Last Reviewed on: 16-06-2016  

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