BLOCK SIGNALLING LAB
Officer Incharge : Shri M Raj Kumar, LS-1
Supervisor Incharge : Shri B U M K Sridhar, IB-1
Assisted by : Shri Katta Jeevan Nehamiah, IB-2
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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: In 2 versions (36 relay and all Q style relay versions)
- 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 D (Efftronics make)
- SSBPAC D/L D (Efftronics make)
- Axle Counter Block Working (CEL make)
- Intermediate block signalling with Auto TOL feature.
- Automatic Block Signalling.
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