Comeng Master Controller And Vicers Flashcards
In what scenario would you use manual notching?
Adverse weather conditions
What are the notches called on the master controller?
Off Shunt Series Series parallel Weak fields
How long does it take for the equipment to step up from the shunt notch?
20 seconds
How often are resistor grids removed until you’ve reached full series?
Every 5 seconds
What speed difference between axels will initiate the wheel slip system?
15km/h
What circuit breaker protects the master controller and reverser?
Control circuit breaker
Can the VM40 recorder be isolated?
No
How long after the vigilance system has flashed and made an audible sound will the emergency break initiate?
5 seconds
What happens if you hold the vigilance button for 5 seconds or more?
Emergency brake is applied
If the VICERS key switch is placed to isolate, can it be switched back to normal?
No
What piece of equipment initiates the emergency brake when the VICERS timing cycle is not acknowledged?
VAV (Vicers activation valve)
How do you reset a VICERS application valve?
Reduce brake pipe pressure to below 25KPA
Have speed at zero
Wait 10 seconds
Press the vigilance acknowledge button
What options does the VICERS key switch have?
Normal
Isolate
Test
What parameters need to be met to initiate a vicers system test?
Brake pipe fully charged to over 500KPA
Reverser in the off position
Trip lowered and set
BVICS open
How can you reset the trip?
Placing the brake controller handle into emergency
Depressing the manual reset button on top of the trip
Turn the red ec cock off then on
