GM4000A™ Switch Machine - Alstom

DrawingsTypical Neutral Switch Repeater Relay Circuit CrossoverPoint detector contacts are shown in positionfor right hand point normally closed.NO INDICATION IN HAND THROWTo verify indication for left handpoint normally closed, connect ameter to TB2 and or TB3 as follows:energy endTB-31shunt2point detectorendTB-21shunt2TB-11power2powerRH pointnormallyclosedCRWP1LH pointnormallyclosedCNWP1relay endTB-31shunt2point detectorendTB-21shunt2TB-11power2powerNWP / CNWP (TB2-5 / TB2-7)RWP / CRWP (TB3-6 / TB3-8)CNWP1 / NWP1 (TB2-7 / TB2-5)RWP1 / CRWP1 (TB3-6 / TB3-8)To verify indication for right handpoint normally closed, connect ameter to TB2 and or TB3 as follows:3shunt43shunt434controlRWP1RWPCRWPNWP1NWPCNWP3shunt43shunt434controlRWP / CRWP (TB2-5 / TB2-7)NWP / CNWP (TB3-6 / TB3-8)CRWP1 / RWP1 (TB2-7 / TB2-5)NWP1 / CNWP1 (TB3-6 / TB3-8)5indicate65indicate656hand thrCNWPNWPCRWPRWP5indicate65indicate656hand thr7indicate87indicate878auxNote 1DC+DC+7indicate87indicate878auxWhen using shuntcontacts connectthe bold wires as shown9motor limit109motor limit109latch out10NWP1CNWP1CWP1RWP1CRWP1CWP19motor limit109motor limit109latch out1011aux12right11hand crk12left11aux12DC-DC-11aux12right11hand crk12left11aux12Note 1: A fuse is requiredfor short circuit protectionon the positive energy usedfor indication. Fuse: 10 amp,type SC, Form 1, class J orequivalent.Figure A-18. Typical Neutral Switch Repeater Relay Circuit Crossover, No Indication in Hand ThrowP2496, Rev. 6, Jul/11 A-19 Alstom Signaling Inc.