RRI LAY OUT WITH ALL BUTTONS FOR SIGNALS,POINTS&ROUTES

RRI LAY OUT WITH ALL BUTTONS FOR SIGNALS POINTS & ROUTES

RRI LAYOUT WITH ALL BUTTONS FOR SIGNALS POINTS & ROUTES   SIGNAL BUTTON CIRCUIT Any button pressed, the concerned signal button relay will pick up providing all other buttons relays are dropped and no button remain pressed.   ROUTE BUTTON CIRCUIT Required route button is pressed to energize the route button relay POINT BUTTON CIRCUIT […]

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