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Siemens Traction > Cab Equipment > Flashcards

Cab Equipment Flashcards

1
Q

What safety equipment does a Siemens train have? (6)

A

First aid kit
ATWs
Emergency Track Circuit Jumper Cable
Red & Green Flags
Fire extinguisher
Switch stick

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2
Q

What is in the cabinet on RHS of rear cab wall?

A

Jumper cables
First aid kit
ATWs

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3
Q

Where is the fire extinguisher?

A

RHS under drivers desk

Trip CB in panel as well

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4
Q

Which cabs are first aid kits located in?

A

ALL

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5
Q

What is in the Circuit Breaker Panel? (7)

A

Circuit Breakers

Deadman Test Switch

BP Mode Key Switch & Selector switch

VICERS Isolation Key Switch

Door Loop Bypass

Safety Loop Bypass

Trip Cock Bypass

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6
Q

What does the Deadmans Test Switch do?

A

Used to activate Deadman’s Device test mode. Tricks train into thinking it’s moving.

Enables Driver to test Hand and Foot Pilot Valve during train prep

Is active for 60 seconds before automatically switching off

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7
Q

What happens when the Deadman’s Test Switch is activated?

A

Switch illuminates

Audible tone

Test takes 60 seconds and automatically turns off

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8
Q

What is the BP Mode Key Switch & Selector Switch for?

A

For rescue and recovery

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9
Q

How many positions does the BP Mode Selector Switch have?

What are they?

A

0 - Normal
1 - Pushed by other train - Rescued
2 - Pulling other train - Rescuing
3 - Pulled by other train - Rescued
4 - Pushing other train - Rescuing

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10
Q

What happens when BP Mode is activated?

A

Corresponding light will flash on the fault panel

Repeater light will flash towards opposing cab

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11
Q

What is the VICERS Isolation Key Switch for?

A

When VICERS fault light illuminates use blue VICERS key to turn switch to isolate

Once turned only maintenance staff can turn back with pink key

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12
Q

What happens when any of the Bypass Key Switches are turned to the ‘I’ position?

A

Safety System Isolation fault light will illuminate on fault panel

Can only be turned back to normal position by maintenance staff

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13
Q

What does the Door Loop Bypass Switch do?

A

Bypass door system in event of defect

When FDCL cannot be rectified

Allows train to obtain traction power irrespective of door positions

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14
Q

What does the Safety Loop Switch do?

A

Bypasses DEAD HOL

Deadman’s devices
Emergency Stop button (non-active
cabs)
Automatic coupler relay
Door close relay

Holding brake relay
Over speed relay
Low Main Res. pressure relay

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15
Q

Does the Safety Loop Switch Bypass everything when it is turned?

A

No

Lead ESB still works

EXAM QUESTION

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16
Q

What does the Trip Cock bypass switch do?

A

Enables driver to isolate Trip in event of defect

Trip has to be in RAISED Position when CB is tripped

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17
Q

What happens if Trip Cock or Safety Loop Bypass keys are isolated?

A

Secondary Safety Circuit Introduced:

MAD button illuminates above 0.2kph

MAD button is pressed to reset timing of the Secondary Safety Circuit

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18
Q

When Secondary Safety Circuit is introduced how often does MAD button flash and emit a tone?

A

45 Seconds - for safety circuit

30 if just using as a reminder

????? Cray cray

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19
Q

How long does the driver have to push the MAD button once it starts flashing?

A

10 Seconds

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20
Q

What happens when the Master Key Switch is turned on?

What is the one thing that won’t work?

A

Cab is activated

All Cab functions can be used - except Train Stable!

Trip lowers - but does not reset

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21
Q

What positions does the Master Selector switch have?

A

Reverse

Neutral

Forward

Set Speed

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22
Q

When do you use Neutral?

A

When stopped at signal
Cab unattended
To deactivate cab

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23
Q

What happens to marker lights when Neutral is selected?

A

They change to RED.

You have to put them manually to WHITE if required

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24
Q

What happens when you select FORWARD?

A

Marker lights automatically go to WHITE

Automatic Headlights are on

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25
Q

How fast will the FORWARD position allow you to go?

A

Up to 115kmh

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26
Q

What happens if the train goes too fast?

A

Over speed system will apply the emergency brake over 125kmh

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27
Q

What does the Set Speed position do?

A

Limits speed to 6kmh

Overspeed emergency brakes will activate at 8kmh

Automatic headlights are on

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28
Q

What positions does the MCH have?

A

EMERGENCY BRAKE - B7

BRAKE - B1-B6

0 (COAST)

DRIVE - D1-D7

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29
Q

What status must the train be in to operate the MCH?

A

Key in and on

Reverser NOT in NEUTRAL

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30
Q

What status does the train have to be in for the Master Key Switch to be turned on?

A

Selector Switch (Reverser) in NEUTRAL

MCH in FULL SERVICE (B6)

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31
Q

What braking does Emergency Brake use?

A

Friction brakes

ED brake and traction power are isolated

32
Q

When does holding brake apply?

A

0.2kmh

33
Q

What is Holding Brake Pressure?

A

110kPa

34
Q

What is Emergency Brake Pressure?

A

280kPa

35
Q

What is FULL SERVICE Brake Pressure?

A

189kPa

36
Q

If you release the Hand or Foot pilot valve what happens?

A

If the train is above 0.2kmh a tone will sound and emergency brakes will apply after 3 seconds

37
Q

What is VICERS comprised of?

A

Vigilance Control System:
- Task linking
- Acknowledgement button
- Audible buzzer
- Fault Indicator
- VAV

Event Recording:
- VM40 Event Recorder
- GPS Antenna

38
Q

How long will the VICERS acknowledgement button flash for?

How long will the audible buzzer sound for?

A

5 seconds

Another 5 seconds

then emergency brake applies

39
Q

What happens if you hold the acknowledgement button down too long?

A

After 5 seconds the emergency brakes will apply

40
Q

What positions does the VICERS Isolation Key Switch have?

A

Operate and Isolate

Test function is controlled by button on driver console

Self-test occurs on train start-up

41
Q

What happens if there is a VICERS fault?

A

VICERS Fault light illuminates

Must turn turn VICERS Isolation key to ISOLATE

Data is still recorded

Acknowledgement button will stop activating

42
Q

What Circuit Breakers are in the panel behind the fire extinguisher on A side of the cab?

A

GPO

Trip Cock Device

43
Q

How does the Trip raise and lower on a Siemens?

A

Automatically:
Key On - Lowered (but not reset)
Key Off - Raised

44
Q

How do you prevent trip from lowering?

A

Deactivate cab - CAB OFF - key OUT

Pull Trip cock device CB - then it will stay raised when cab is activated

45
Q

What are 2 positions of master key switch

A

On and off

46
Q

What is FULL SERVICE Brake Pressure?

A

189kPa

47
Q

What does the Duplex gauge display?

What colours?

A

Red - Main Res.

Black - BC

48
Q

What does the Overspeed Lamp Indicator show?

A

Illuminates when train has exceeded 119kmh

Emergency brakes come on at 125kmh

49
Q

What does the DDA (dis. Descrimination Act) button do?

A

Flashes white 5 times then remains steady

When you press button CCTV turns on

50
Q

When does the Cab Speaker automatically turn on?

A

When PEI is activated

51
Q

What does the General Fault Indicator do?

A

Flashes red when there is a train fault.

52
Q

What is the Auto Door Close Inhibit button for?

A

Assisting special needs passengers at door 1 and

Press button before you remove keys

Keeps doors open

53
Q

What does the uncouple button do?

A

Indicates cab is in coupled position.

Centre cabs are illuminated

Also flashes when low main res pressure is present - below 750 (850kPa during rescue)

54
Q

What does Train Stable button do? (2)

A

Shuts down computer systems

Lowers pantographs - 30 seconds

Key must be in OFF position

55
Q

How do park brakes apply? (3)

A

When key is in and on turn Park Brake Switch

When key is off park brakes will automatically apply

Main Res. pressure drops below 350

56
Q

What positions does the Saloon Light Switch have?

A

On and Emergency

57
Q

What does the MAD button do?

A

Tone every 30 seconds

Flashes yellow

58
Q

How does the Trip raise and lower?

A

Lowers - automatically when cab activated

Raises - automatically when cab deactivated

59
Q

When do you use Trip Reset switch?

A

Only when Trip is activated:

Trip test
SPAD
R1S3

60
Q

What does the Electric Brake Inhibit button do?

A

Temporarily disables ED braking and enables EP braking

Wheel Slip unit automatically switches from ED to EP and operates sanders - button lights up when this happens

61
Q

What does Critical Fault Light mean?

A

Unit must be taken out of service

62
Q

What are the three main reasons Critical Defect Light illuminates?

A

Friction brake failure

Both SIVs fail

Wheel slip fault affecting sanders

63
Q

What CBS can you check if Critical Fault light illuminates?

A

Friction Brake Monitoring
- motors and trailers

Static Inverter Monitoring
- MCB Trailer

64
Q

What could cause the maintenance fault Light to illuminate?

A

Traction - defective or isolated

SIV - only one operating

Saloon door isolated by door control unit

Brake not released (not SPB)

HVAC - defective

PA - System defective

CCTV - system defective

65
Q

What does Reduced Performance indicator light mean?

A

One or more motors not powering

66
Q

What does Compressor Fault indicator light mean?

A

MR pressure dropped below - 850-1000

67
Q

Local fault lights…
What does the Traction System indicator light mean?

A

Local traction motor has serious defect

Or

Train stable, HSCB, Light Control MCB has tripped

68
Q

What does the Safety System Isolation fault light mean?

A

A Bypass key Switch has been operated

69
Q

What does the Fault Acknowledge button do?

A

Press to acknowledge a fault

Will turn from flashing to steady

70
Q

In the MCB Panel on Rear cab wall what are the CBs that can trip and open safety loop?

A

SAFE CD

Safety loop
Auto coupler in centre cab
Friction Brake monitoring
Emergency Brake valves

Cab manned
Door Control train line

? Train stable, HSCB, Light Control

71
Q

Which are the only two that can be bypassed?

A

Friction Brake monitoring

Auto Coupler in Centre Cab

72
Q

What happens if TCU MCB trips?

A

Local motor is not available

(Reduced performance fault indicator in any cab

Traction system fault light on affected motor)

73
Q

What happens if Panto Control MCB trips?

A

Train lined

Can’t raise/lower any pantos from local cab

74
Q

What happens if Panto Motor MCB trips?

A

Local

Panto in local cab cannot be raised

75
Q

What are the Train Lined Fault Indicator Lights?

A

Safety Loop
Critical Defect
Maintenance Fault
Reduced Performance
Door System
Compressor Fault

76
Q

What are the Local Fault Indicator Lights

A

Brakes Bogie 1&2

Park Brake Bogie 1&2

Vigilance Failt

PA

HVAC 1&2

Traction System

CCTV

Siemens Traction (11 decks)

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