Type B Vital Relays - Alstom

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General Description 1.2.7. Terminals B relay plugboards contain contact terminals, coil terminals and test terminals as shown in Figure 1–5. There are two types of terminals, solder terminals and crimp terminals. Refer to Section 3, Installation, for installation supplies. 1.2.7.1. Contact Terminals There are two contact terminals per insulator, one on the top and one on the bottom as shown in Figure 1–9. Each terminal is completely insulated from the adjacent one, by either the insulator or the wall of plastic material that surrounds each insulator and terminal assembly. TOP TERMINAL (SOLDER TYPE) RELAY CONTACT END TOP TERMINAL (CRIMP TYPE) INSULATOR WIRE CONNECTOR END BOTTOM TERMINAL (SOLDER TYPE) BOTTOM TERMINAL (CRIMP TYPE) Figure 1–9. Insulator Separates One Contact Terminal From the Other The terminal slips into place from behind the plugboard. First, the wire is connected to the terminal; then the terminal is pushed into the proper slot in the plugboard. On B1 plugboards, there are slots for 18 contact terminals for circuits through relay contacts and 4 for circuits through the coils. On B2 plugboards, there are slots for 36 contact terminals and 4 coil terminals. P1457, Rev. Nov/07 1–10 <strong>Alstom</strong> Signaling Inc.
General Description 1.2.7.2. Test Terminals A current test terminal is provided on the plugboard directly under the relay, as shown in Figure 1–10, to allow the checking of current flow through the relay coils. NOTE Not all relay plugboards are equipped with a current and voltage test terminal. FRONT PLUGBOARD HALF NUT TO CABLE HARNESS B2 PLUGBOARD 1E 6E INSULATING BUSHING TERMINAL POST SPANNER NUT B1 PLUGBOARD 1E 3E CURRENT TEST TERMINALS COPPER STRAP CURRENT TEST TERMINAL TO RELAY COIL TERMINAL CIRCUIT SYMBOL Figure 1–10. Current Test Terminal A voltage test terminal is provided on the plugboard next to the current test terminal, as shown in Figure 1–11, to allow the checking of voltage across the relay coils. FRONT TO CABLE HARNESS 1E 6E B2 PLUGBOARD TO COIL TERMINAL B1 PLUGBOARD 1E 3E VOLTAGE TEST TERMINAL CIRCUIT SYMBOL VOLTAGE TEST TERMINAL Figure 1–11. Voltage Test Terminal P1457, Rev. Nov/07 1–11 <strong>Alstom</strong> Signaling Inc.
Page 1: Type B Vital Relays Copyright © 19
Page 5 and 6: LIST OF EFFECTIVE PAGES P1457, Type
Page 7 and 8: PREFACE NOTICE OF CONFIDENTIAL INFO
Page 9 and 10: ABOUT THE MANUAL This manual is int
Page 11 and 12: MANUAL SPECIAL NOTATIONS In the Als
Page 13 and 14: Topic TABLE OF CONTENTS Page 1. SEC
Page 15 and 16: Topic TABLE OF CONTENTS (CONT.) Pag
Page 17 and 18: Description LIST OF FIGURES (CONT.)
Page 19 and 20: Description LIST OF TABLES Page Tab
Page 21 and 22: General Description 1. SECTION 1 -
Page 23 and 24: General Description 1.2.2. Identifi
Page 25 and 26: General Description 1.2.3. Relay Pr
Page 27 and 28: General Description 1.2.4. Mounting
Page 29: General Description The registratio
Page 33 and 34: General Description 16 26 36 46 56
Page 35 and 36: General Description 1.2.10. Relay C
Page 37 and 38: Theory of Operation 2. SECTION 2 -
Page 39 and 40: Theory of Operation 2.2. RELAY CONT
Page 41 and 42: Theory of Operation 2.2.2.1. Contac
Page 43 and 44: Theory of Operation 2.2.2.3. Heavy-
Page 45 and 46: Theory of Operation 2.2.3. Coils A
Page 47 and 48: P1457, Rev. Nov/07 2-11 Alstom Sign
Page 49 and 50: Theory of Operation 2.3. BIASED-NEU
Page 51 and 52: Theory of Operation 2.4. DC LINE RE
Page 53 and 54: Theory of Operation S NO VOLTAGE N
Page 55 and 56: Theory of Operation R N NORMAL CONT
Page 57 and 58: Theory of Operation 2.4.4. Microchr
Page 59 and 60: Theory of Operation 2.4.4.2.2. Appl
Page 61 and 62: Theory of Operation Group Space- Fr
Page 63 and 64: Theory of Operation 2.4.4.3.1. Appl
Page 65 and 66: Theory of Operation 2.5. DC SPECIAL
Page 67 and 68: Theory of Operation (FRONT VIEW) 1E
Page 69 and 70: Theory of Operation 2.5.4. Switch-O
Page 71 and 72: Theory of Operation TRACK CIRCUIT E
Page 73 and 74: Theory of Operation 2.5.6. Code Rat
Page 75 and 76: Theory of Operation 2.5.7. Code-Fol
Page 77 and 78: Theory of Operation Figure 2-38. VT
Page 79 and 80: Theory of Operation Figure 2-41 sho
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Theory of Operation VANE CONTACTS P
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Theory of Operation EDDY CURRENT IN
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Theory of Operation In each snapsho
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Installation 3. SECTION 3 - INSTALL
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Installation Table 3-2. B Relay Ins
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Installation Table 3-2. B Relay Ins
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Installation Table 3-3. Microchron
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Installation Table 3-5. AC Microchr
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Installation Table 3-5. AC Microchr
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Preventive Maintenance 4. SECTION 4
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Preventive Maintenance 4.3. PREVENT
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Preventive Maintenance Table 4-2. T
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Preventive Maintenance Table 4-3. V
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Preventive Maintenance 4.5. ELECTRI
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Preventive Maintenance 4.5.1. AC Li
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Preventive Maintenance 4.5.3. Biase
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Preventive Maintenance 4.5.5. Code
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Preventive Maintenance 4.5.7. Micro
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Preventive Maintenance 4.5.9. Polar
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Preventive Maintenance 4.5.11. Swit
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Troubleshooting 5. SECTION 5 - TROU
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Troubleshooting Table 5-1. Troubles
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Troubleshooting DC RELAY DOES NOT R
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Troubleshooting AC VANE RELAY DOES
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Troubleshooting MICROCHRON II TIMER
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Corrective Maintenance 6. SECTION 6
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Corrective Maintenance Table 6-2. B
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Corrective Maintenance Table 6-2. B
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Corrective Maintenance Table 6-4. T
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Corrective Maintenance NOTE For det
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Corrective Maintenance 6.4.4. Curre
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Corrective Maintenance 6.5. MECHANI
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Corrective Maintenance Table 6-10.
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Corrective Maintenance 6.5.2. Mecha
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Corrective Maintenance 6.5.3. Micro
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Parts Catalog 7. SECTION 7 - PARTS
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Parts Catalog 7.4. B1 BIASED-NEUTRA
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Parts Catalog Table 7-2. B1 Neutral
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Parts Catalog 7.5. B1 CODE-RESPONSI
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Parts Catalog 46F Figure 7-3. B1 Co
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Parts Catalog Table 7-3. B1 Code-Re
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Parts Catalog Table 7-3. B1 Code-Re
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Parts Catalog 7.7. B1 ELECTRONICALL
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Parts Catalog Table 7-4. B1 Slow Pi
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Parts Catalog Table 7-5. B2 Neutral
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Parts Catalog 7.9. B2 BIASED-NEUTRA
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Parts Catalog Table 7-6. B2 Biased-
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Parts Catalog Table 7-7. B2 Vane Re
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Parts Catalog 7.11. B2 AC VANE RELA
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Parts Catalog Table 7-8. B2 Vane Re
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Parts Catalog Figure 7-10. B2 Code
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Parts Catalog Table 7-9. B2 Code Ra
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Parts Catalog Table 7-9. B2 Code Ra
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Parts Catalog FRONT VIEW 1 2 3 4 5
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Parts Catalog Table 7-10. B2 Microc
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Parts Catalog 7.14. B2 AC MICROCHRO
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Parts Catalog Table 7-11. B2 AC Mic
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Parts Catalog 7.15. TYPE VTB POLAR-
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Parts Catalog Table 7-12. VTB Polar
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Parts Catalog Table 7-12. VTB Polar
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P1457, Rev. Nov/07 7-51 Alstom Sign
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P1457, Rev. Nov/07 7-53 Alstom Sign
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Parts Catalog MARKED END OF MAGNET
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Parts Catalog NOTE 1 When ordering
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Parts Catalog , 3B 31 E 25A 25B 30
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Parts Catalog Table 7-16. B Relay P
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Parts Catalog Table 7-16. B Relay P
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Parts Catalog 7.18. B RELAY REGISTR
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Parts Catalog Table 7-17. B Relay R
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Relay Engineering Data (ED) sheet L
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Glossary B. APPENDIX B - GLOSSARY B
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Glossary Overpressure - • Dead We
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Tools and Kits C. APPENDIX C - TOOL
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Tools and Kits 1 A B AAR CRIMP TOOL
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Tools and Kits C.3. SHOP TEST RACK
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Tools and Kits The vane relay test
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FOR QUESTIONS AND INQUIRIES, CONTAC
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Type B Vital Relays - Alstom

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