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Metro > Siemens Traction > Flashcards

Siemens Traction Flashcards

1
Q

How are Siemens EMUs arranged?

A

DMA-T-DMB

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2
Q

List of roof mounted equipment on a motor car?
PASH

A
  • Panto
  • Antenna
  • Surge Arrester
  • HVAC x 2
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3
Q

List of roof mounted equipment on a Trailer car?

A

HVAC x 2

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4
Q

What is located at number 1?

A

Electrical isolate

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5
Q

What is located at number 2?

A

Towing cock

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6
Q

What is located at number 3?

A

MR to Coupler

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7
Q

What differentiates the DMA car from the DMB car?

A
  • DMA has PA CB
  • DMB has CCTV Recorder CB
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8
Q

What kind of key does the Siemens use?

A

D

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9
Q

How are the saloon doors numbered on a Siemens?

A

1 to 4 in a clockwise direction from number 1 end

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10
Q

Where is the wheelchair access on a Siemens?

A

1 & 4 doors

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11
Q

Where are the PEI’s located?

A

Right hand side of 1&2 doors of each car.

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12
Q

What lighting is available in the Saloon?

A

Normal & emergency

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13
Q

Where is the T-car fault panel located?

A

Right hand side of door 2 at 2 end.

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14
Q

Where are the pantos located on a Siemens?

A

2 end of the DM cars.

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15
Q

What does the traction inverter do?

A

Converts 1500v DC to 3 phase variable AC current

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16
Q

What does the Static inverter provide 400v AC to?

bathg

A

B - battery charger
A - Air compressor
T- Traction Control Unit
H - HVAC
G - GPO

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17
Q

What powers the Safety Loop?

A

Battery Charger

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18
Q

Where are the batteries located?

A

B-side of T-car

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19
Q

What happens if you lose 1 static Inverter?

A

AC will run at 50%

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20
Q

How are the Pantos on the Siemens powered?

A

Electro-Mechanical
(Battery power pushes them up)

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21
Q

What is the most important thing when raising the pantos?

A

Wait until all buzzers have stopped sounding then press Panto up button

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22
Q

Two ways to lower pantos on Siemens?

A

Stable and Panto down

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23
Q

Where is the Panto crank handle on Siemens?

A

2 cabinet behind door 2, A side of motor cars.

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24
Q

When will the blue door light extinguish upon pressing door open button?

A

When 1 or more passengers have pressed the open door button on passenger door.

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25
Q

If the passenger door on Siemens has an obstruction, how many time and for how long will it attempt to close?

A

3 times at 3 second intervals

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26
Q

After how long will the Doors Auto Close Feature close the doors?

A

60 seconds

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27
Q

What doors does the Auto Door Close Inhibit work on?

A

Doors 1&4

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28
Q

When must the Auto Door Close Inhibit be pressed?

A

Before assisting passengers with special needs

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29
Q

Where are the DERs located?

A

Left hand side of every door

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30
Q

At what speed can the DERs be operated?

A

Any speed

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31
Q

What causes Auto Application of the Emergency Brake?

SpEOCMTVS

A
  • Semi-permanent Coupler fails
  • Electric Coupler
  • Overspeed
  • Critical Fault in Brake Unit
  • MR falls below 600
  • Trip
  • Vicers
  • Safety Loop Short Circuit
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32
Q

Tripping circuit breakers that cause Emergency Brake in Siemens?

FACES

A
  • Friction Brake & Monitoring
  • Auto Coupler Control (Leading Centre Cab)
  • Cab/Train Manned
  • Emy Brake Valve
  • Safety Loop
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33
Q

How is the trip operated?

A

Electrically

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34
Q

What is the compressed Air supplied to in the Siemens?

MAAPSW

A
  • Main Res
  • Aux Res
  • Air Suspension Res
  • Park Brake
  • Service Brake
  • Whistle
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35
Q

Where is the Main Res Located?

A

Number 2 end of every car

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36
Q

What is the kPa of the Compressor Governor?

A

850 kPa

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37
Q

What is the Main Reservoir Pressure?

A

850 to 1000 kPa

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38
Q

What are the safety valves set to between the Compressor and the Air Dryers?

A

1100 kPa

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39
Q

What are the safety valves set to between the Air Dryers and Main Reservoir?

A

1050 kPa

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40
Q

What equipment and associated plumbing is the Air Suspension System made up of?

LAS

A
  • Levelling Valves
  • Air Bags
  • Surge Reservoirs
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41
Q

How many & where are the Levelling Valves located on the DM car?

A

1 on each bogie

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42
Q

How many & where are the Levelling Valves located on the T car?

A

2 on number 1 bogie & 1 on number 2 bogie.

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43
Q

How many & where are the Surge Reservoirs located?

A

2 on each car

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44
Q

What 4 things is the Brake Sytem comprised of?

SHEP

A
  • Service Brake
  • Holding Brake
  • Emergency Brake
  • Park Brake
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45
Q

What speed does the ED brake begin to fade out and become just EP braking?

A

10 km/h

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46
Q

What brakes are only on Motor cars?

A

Electro-Dynamic braking

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47
Q

When wheel slide happens, what braking will take over for the remainder of the braking?

A

Electro-Pneumatic Braking

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48
Q

What braking is fitted to Trailers?

A

EP braking

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49
Q

What is the pressure of Holding Brake?

A

110 kPa

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50
Q

What is the threshold of Holding Brake?

A

0.2 km/h

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51
Q

What is the brake pressures for B1 & B6

A

57 & 189 kPa

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52
Q

Emergency Brake pressure?

A

280 kPa

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53
Q

Where are the Park Brakes fitted?

A

3 & 7 on EVERY car

54
Q

What are the two isolating cocks in the Brake Module?

A

Air Suspension IC & Bogie IC

A over B

55
Q

What does the Emergency Brake Magnet Valve do?

A

It applies the emergency brake when safety loop is de-energised?

56
Q

When does the red light in the sander illuminate?

A

When sand levels fall below 20%

57
Q

What equipment does the braking system consist of?

Big Bears Always Poo Backwards

A
  • BCU
  • Brake Module
  • Associated isolating Cocks
  • Parking Brake Cylinders
  • Brake Cylinders
58
Q

Does the T-car BCU interface with a TCU?

A

No, as no ED is available on Trailer cars.

59
Q

What is located at number 5?

A

Surge Reservoirs

60
Q

What is located at number 7?

A

Auxiliary Reservoir 1

61
Q

What is located at number 6?

A

Air Suspension Reservoir 1

62
Q

What is located at number 8?

A

Resistor Grids

63
Q

What is located at number 9?

A

Traction Container

64
Q

What is located at number 10?

A

Traction Control unit

65
Q

What is located at number 11?

A

Traction Inverter

66
Q

What is located at number 12?

A

HSCB and Ground Switch

67
Q

What is located at number 13?

A

Brake Control Unit

68
Q

What is located at number 14?

A

Sanders I.C.

69
Q

What is located at number 15?

A

Brake Module 2

70
Q

What is located at number 16?

A

Air Suspension 2 I.C.

71
Q

What is located at number 17?

A

Bogie 2 I.C.

72
Q

What is located at number 18?

A

Sander

73
Q

What is located at number 19?

A

Manual Park Brake Release 2

74
Q

What is located at number 20?

A

MR Pipe to T Car

75
Q

What is located at number 21?

A

Surge Reservoirs 2

76
Q

What is located at number 22?

A

Air Suspension Reservoir 2

77
Q

What is located at number 23?

A

Auxiliary Reservoir 2

78
Q

What is located at number 25?

A

Brake Module 1

79
Q

What is located at number 26?

A

Air Suspension 1 I.C.

80
Q

What is located at number 27?

A

Bogie 1 I.C.

81
Q

What is located at number 28?

A

TU1 I.C.

82
Q

What does the Towing Cock do?

A

Reduces pressure to 700 kPa from MR between Siemens & Comeng when performing rescue.

83
Q

What is the coupler type on Siemens train?

A

Dellner

84
Q

What Reservoirs are at number 1 end of both Siemens cars?

AAS

A
  • Aux Reservoir
  • Air Suspension Reservoir
  • Surge Reservoir
85
Q

What Reservoirs are at number 2 end of both Siemens cars?

MAAS

A
  • Main Reservoir
  • Auxiliary Reservoir
  • Air Suspension Reservoir
  • Surge Reservoir
86
Q

What does the Static Inverter do on a Siemens?

A

Converts 1500v DC to 400v AC & 240v AC Single Phase (to the GPO)

87
Q

Where are first aid kits on Siemens?

A

In every motor car.

88
Q

What are the controls of the Master Selector?

A
  • Reverse
  • Neutral
  • Forward
  • Set Speed
89
Q

When does the overspeed trip the Emergency Brake?

A

125 km/h

90
Q

When you drop the Hand or Foot valve, how long will you get a tone before Emergency Brake comes on?

A

3 seconds

91
Q

What are the 3 main causes for getting a ‘Critical Defect’ light?

MSWs

A
  • Major Fault Friction Brake System
  • SIVs fail (both)
  • Wheel slip affecting operation of Sanders
92
Q

If the ‘Fault Acknowledge Button’ is flashing due to a known fault, what must always be done?

A

It needs to be pressed to make the light go steady, so if there is another fault it will flash again.

93
Q

What do “FACES” actually do? (Not what each letter means)

A

They are all Micro Circuit Breakers that open the safety loop.

94
Q

What are the 5 modes of the Mode Key Switch?

A

0: Normal
1: Pushed
2: Pulling
3: Pulled
4: Pushing

95
Q

When does the PEI time out on a Siemens?

A

150 Seconds

96
Q

How many times will the DDA (disabled discrimination act) flash when pressed by customer?

A

5

97
Q

Does the Master key switch being placed to off apply the Emergency Brake?

A

Yes

98
Q

What purpose do the HSCB serve?

A

Safely disconnects the traction equipment from Overhead line in the event of overload of current, traction faults or short circuits.

99
Q

How do you isolate a saloon door on a Siemens train?

A

Manual isolating switch operated by triangle key.

100
Q

What force applies the Emergency Brake on a Siemens Train?

A

Electro-Pneumatic Brake (Friction)

101
Q

What wheels on a Siemens have Park Brake Cylinders fitted?

A

3 & 7

102
Q

Safety loop de-energises if park brake is applied over what speed?

A

5 km/h

103
Q

On a Siemens train, what purpose does the Pressure Limiting Valve serve?

A

Adjusts Pre-Control pressure to the Relay Valve

104
Q

When is the sanding system utilised?

A

When the Brake Control Unit senses wheel slip.

105
Q

What are the train lined fault lights on a Siemens train?

SCMRDC

A
  • Safety Loop
  • Critical Defect
  • Maintenance Fault
  • Reduced Performance
  • Door System
  • Compressor fault
106
Q

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

GT

A
  • GPO
  • Trip Cock Device
107
Q

What’s the best way to find no 1 end B side on a Siemens motor card?

A

The trip

108
Q

What’s the best way to find B side on a Siemens Motor Car?

A

Sander by itself

109
Q

What’s the best way to find no 1 end A side on a Siemens trailer car?

A

Sander and Air Compressor beside each other.

110
Q

What’s the best way to find no 2 end on a Siemens Trailer car?

A

Transition Coupler

111
Q

What’s the best way to find no 2 end on a Siemens tralier?

A

Transition Coupler

112
Q

What’s the best way to find no 1 end B side on a Siemens Trailer car?

A

Sander and Brake Module - No Transition Coupler

113
Q

What’s the best way to find no 1 end A side on a Siemens Motor car?

A

No cocks or equipment

114
Q

What’s the best way to find no 2 end A side on a Siemens Motor car?

A

Sander and brake module

115
Q

What is located at 10?

A

POTS System

116
Q

What is located at 11?

A

Static Inverter Container

117
Q

What is located at 14?

A

Auxiliary Equipment

118
Q

What is located at 15?

A

Brake Control Unit

119
Q

What is located at 27?

A

Battery Container

120
Q

Where is the whistle IC?

A

Cabinet on the left of drivers seat on the B-side of the motor car.

121
Q

What are the ‘train lined’ fault lights?

SCMRDC

A
  • Safety loop
  • Critical Defect
  • Maintenance Fault
  • Reduced Performance
  • Door Systems
  • Compressor Fault
122
Q

What are the Bypass Switches in the Circuit Breaker cabinet (clear door) in a Siemens?

DSTDBpV

A
  • Door Loop Bypass
  • Safety Loop Bypass
  • Trip Bypass
  • Deadman’s test
  • Brake pipe in rescue mode
  • Vicers isolate
123
Q

After how long will the Memory Aid button emit a tone and flash when in secondary Circuit?

A

45 seconds

124
Q

If the Memory Aid has flashed and emitted tone for 45 seconds in secondary circuit after how long will emy brakes engage?

A

10 seconds

125
Q

What will be bypassed if you turn the Safety Loop Bypass Key Switch?

HBCMOVE

A

Hand & Foot
BCU Monitoring
Coupler fail relay
MR pressure Relay
Overspeed Relay
Vicers
Emy stop button (active cab)

126
Q

Local Fault lights

Get in your head in case

A

Brakes
Brakes
Park brakes
Park brakes
Vigilance fault
PA
HVAC 1
HVAC 2
Traction system
CCTV

127
Q

When will the uncouple button flash due to low pressure in Main Res?

A

850 kPa ⬇️

128
Q

What pressure ⬇️ do you receive a compressor fault lights?

A

650 kPa

129
Q

What pressure does the safety loop open?

A

600 kPa

130
Q

When Main Res pressure falls to what, will the park brakes come on due to pressure not being able to hold them off?

A

350 kPa

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