4000 Switch Machine - Alstom

Typical Polarized Switch Repeater Relay Circuit CrossoverPoint detector contacts are shown in positionfor right hand point normally closed.INDICATION IN HAND THROWenergy endTB-31shunt2point detectorendTB-21shunt23TB-11power2power3RH pointnormallyclosedWP1ANWP1LH pointnormallyclosedWP1NWP1relay endTB-31shunt2point detectorendTB-21shunt23TB-11power2power3To verify indication for left handpoint normally closed, connect ameter to TB2 and or TB3 as follows:WP / NWPNWP1 / WP1NWP1 / WP1A(TB2-6 / TB2-8)(TB2-7 / TB2-5)(TB3-7 / TB3-5)shuntshunt344NWPWP344shuntcontrolshuntcontrol45indicate65indicate6756hand thr745indicate65indicate6756hand thr7To verify indication for right handpoint normally closed, connect ameter to TB2 and or TB3 as follows:NWP / WPNWP1 / WP1ANWP1 / WP1(TB2-6 / TB2-8)(TB2-7 / TB2-5)(TB3-7 / TB3-5)7indicate88auxNote 1DC+DC+7indicate88auxindicate899motor limit109latch out10WPWP1NWPWP1Aindicate899motor limit109latch out10When using shuntcontacts connectthe bold wires as shownmotor limit10right11hand crk12left11aux12DC-DC-motor limit10right11hand crk12left11aux12Note 1: A fuse is required for shortcircuit protection on the positive energyused for indication. Fuse: 10 amp,type SC, Form 1, class J or equivalent.P2444, Rev. Jan/07 A-15 / A-16 Blank ALSTOM Signaling Inc.