Type B Vital Relays - Alstom

Description
LIST OF FIGURES (CONT.)
Page
Figure 2–27. Type S1/4 Half-Wave Rectifier for Power-Transfer Relay ................... 2–30
Figure 2–28. Power-Transfer Relay Wiring .............................................................. 2–31
Figure 2–29. Lamp-Control Relay Wiring ................................................................. 2–32
Figure 2–30. Switch-Overload Relay Wiring............................................................. 2–33
Figure 2–31. Code-Responsive Relay De-energized ............................................... 2–34
Figure 2–32. Code-Responsive Relay Energized..................................................... 2–35
Figure 2–33. Code-Responsive Relay Wiring .......................................................... 2–36
Figure 2–34. Code Rate Transmitter Relay Operation ............................................. 2–37
Figure 2–35. Code Rate Transmitter Relay Wiring................................................... 2–38
Figure 2–36. VTB Plugboard.................................................................................... 2–39
Figure 2–37. Polar-Biased Single Armature Relay................................................... 2–40
Figure 2–38. VTB Relay Energized.......................................................................... 2–41
Figure 2–39. VTB Relay, Two Armatures De-energized .......................................... 2–41
Figure 2–40. VTB Relay, Two Armatures Energized................................................ 2–42
Figure 2–41. VTB Relay Wiring................................................................................ 2–43
Figure 2–42. Vane Relay Structure .......................................................................... 2–44
Figure 2–43. Vane Relay Components .................................................................... 2–45
Figure 2–44. Magnet Movement Drags the Metal Disc ............................................ 2–46
Figure 2–45. Eddy Current Induction by Permanent Magnet ................................... 2–47
Figure 2–46. Local and Track Current Cycles .......................................................... 2–48
Figure 2–47. Parallel Hookup of Windings ............................................................... 2–49
Figure 2–48. Series Hookup of Windings ................................................................. 2–50
Figure 2–49. AC Vane Relay.................................................................................... 2–50
Figure 4–1. Spanner Nut Wrench............................................................................... 4–3
Figure 5–1. DC Relay Does Not Pick ......................................................................... 5–4
Figure 5–2. DC Relay Does Not Release................................................................... 5–5
Figure 5–3. AC Vane Relay Does Not Pick ................................................................ 5–6
Figure 5–4. AC Vane Relay Does Not Release.......................................................... 5–7
Figure 5–5. Microchron II Timer Relay (AC or DC) Does Not Pick............................. 5–9
Figure 5–6. Microchron II Timer Relay (AC or DC) Does Not Release..................... 5–10
Figure 7–1. B1 Neutral Relays ................................................................................... 7–2
Figure 7–2. B1 Biased-Neutral Relays ....................................................................... 7–3
Figure 7–3. B1 Code-Responsive Relay .................................................................... 7–7
Figure 7–4. B1 Slow Pickup, Slow-Release and Quick Crossover........................... 7–14
Figure 7–5. B1 Electronically Driven Highway Crossing Relay and Flasher Module 7–15
Figure 7–6. B2 Neutral Relay ................................................................................... 7–18
Figure 7–7. B2 Biased-Neutral Relay ....................................................................... 7–21
Figure 7–8. B2 AC Vane Relay, 2F-2B, Two Position .............................................. 7–24
Figure 7–9. B2 AC Vane Relay, 4F-4B, Two Position .............................................. 7–27
Figure 7–10. B2 Code Rate Transmitter Relay ........................................................ 7–30
Figure 7–11. B2 Microchron II Timer Relay (DC) ..................................................... 7–36
P1457, Rev. Nov/07 v Alstom Signaling Inc.