Railway Signalling Concepts – Page 30 – Information About Axle Counter,Track Structure Point & Crossing,Cable Schematics,CBTC Equipment,Overlaps,Core Plans,Earthing,ERTMS,Headway Calculation,Hot Axle Box Detectors,Interface Design,Level Crossing,Markers & boards,Bonding Plan Electrical Lockings,Route locking,Automatic Warning Systems AWS,Point Circuit,Equipment Treadle,Track Layout,Track Circuit Interrupters,Train Protection Warning System (TPWS),Slip Siding & Catch Siding.

Railway Signalling Principles of Interlocking and Standards

May 4, 2022June 7, 2022adminLeave a Comment

Railway Signalling Principles of Interlocking and Standards Interlocking: Means an arrangement of signals, points, and other appliances, operated from a panel or from a lever frame, so interconnected by mechanical locking or electrical locking or both that their operation must take place in the proper sequence to ensure safety. Essentials of Interlocking * It shall […]

Railway Signalling Concept of Overlap and Isolation | Overlaps | Block Over Lap (BOL) | Signal Over Lap (SOL)

May 4, 2022June 7, 2022admin2 Comments

Railway Signalling Concept of Overlap and Isolation | Overlaps | Block Over Lap (BOL) | Signal Over Lap (SOL) Concept of Overlap and Isolation:- Every stop signal by its indication to the driver controls the movement of train upto the next stop signal as the next stop signal will control the movement beyond it. Hence […]

Railway Signalling Site surveys

May 4, 2022June 7, 2022adminLeave a Comment

Railway Signalling Site surveys Site surveys-1 * Site surveys are to be conducted to assess the status of various equipment to list out the requirements for replacements/modifications/improvements to the system wherever necessary. * Survey to be requested in case new locations/cases/REBs are proposed * Survey is required where new track side equipment is proposed. Site […]

Network Rail Design Process |Correlation|Correlation waiver

May 4, 2022June 7, 2022admin1 Comment

Network Rail Design Process Source Records * Source Records are the documents necessary for producing any design. * The source record should show the state of the current infrastructure. * It may be in the form of CAD files, Data files, or Negatives(NR/L2/SIG/11201/Mod-A8). * There should be one “Master Record” which is on white paper with […]

RAILWAY SURELOCK POINTS

May 4, 2022June 8, 2022adminLeave a Comment

RAILWAY SURELOCK POINTS RAILWAY CLAMPLOCK GROUND LOCK CLAMPLOCK CONTROL CIRCUITS (L.H. TURNOUT) CLAMPLOCK ELECTRICAL CONNECTIONS CLAMPLOCK DETECTOR ELECTRICAL CONNECTIONS CLAMPLOCK DETECTION CIRCUIT (L.H. TURNOUT) * Normal detection: The BX feed enters the right hand unit on terminal ‘E’, passes through the right limit switch first and then through the left switch […]

Interface Design Railway

May 4, 2022June 8, 2022admin6 Comments

Interface Design Railway Hardware Microlok II Equipment consists of: 1. Card file 2. CPU PCB 3. Power Supply PCB 4. Vital Output PCB 5. Vital Input PCB 6. Non-vital Input/Output PCB 7. VCOR – Vital Cut Off Relay 8. Wiring hardware Card File Each card file consists of: 20 Slots to accommodate various PCBs […]