The Point Control Circuit

Railway Point Control Circuit & Point Indication Circuit

Railway Point Control Circuit & Point Indication Circuit Railway Point Control Circuit & Point Indication Circuit:– Fig 3.2 shows the point control circuit for an ‘N’ style frame. The differences here are the RC and NC lever bands which are used for the energization of the respective Reverse and Normal point auxiliary valves. Note that these lever […]

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Railway Point Detection Circuits 

Railway Point Detection Circuits  ‘V’ Style Frame Chairlock Point Circuits The Point Control, Lever Lock and Indication circuits for Chairlocks are identical to the Four  Foot point circuits already discussed. Detection Unlike Four Foot points, a Chairlock layout uses two separate and independent detection units, one for each rail switch. Each unit proves that its corresponding […]

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Utilising a JR

Railway ‘V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking

Railway ‘V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking This section shows two complete point circuits demonstrating insufficient track locking. Utilising an extra track circuit   V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking   Abbreviations   Electrical Supplies BX100   –   Live side of single-phase 100V AC feed NX100  […]

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Left-hand Turnout, Double Ended, WL At Both Ends

Railway Right-hand & Left-hand Turnout Point Circuits

Right-hand Turnout, Single End, Without WL Right-hand Turnout, Single End, With WL   Right-Hand Turnout, Double Ended, Without WL   Right-hand Turnout, Double Ended, WL At ‘A’ End   Right-hand Turnout, Double Ended, WL At ‘B’ End   Left-hand Turnout, Single End, Without WL Left-hand Turnout, Single End, With WL   Left-hand Turnout, Double Ended, […]

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