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Standardisation of S & T Drawings

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Officer Incharge : Shri Suresh Helchel,  LS2

Supervisor Incharge

Assisted by : Shri Katta Jeevan Nehamiah, IB-2

Shri CHBS Srinivas Kumar, IB-3
Shri M Arun Kumar, IB-4
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 Token instrument
    • >> Tokenless Instruments
      •     i. Push button type
      •     ii. Frequency Modulation (Handle) Type: Daido Type

  • Double line block instruments of makes:
    • Byculla Work shop (Central Railway)
    • Podanur work shop (Southern Railway)

  • Block Working through Axle Counters :
    • UFSBI with panel for S/L (Deltron make)
    • UFSBI with Token Block Instrument (Deltron make)
    • SSBPAC S/L (Efftronics make)
    • SSBPAC D/L (Efftronics make)
    • Axle Counter Block Working (CEL make)

  • Intermediate block signalling with Auto TOL feature.
  • Automatic Block Signalling.

Source : Indian Railways Divisional Portal CMS Team Last Reviewed on: 27-04-2023  

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