Siemens Traction Flashcards
1
Q
How are Siemens EMUs arranged?
A
DMA-T-DMB
2
Q
List of roof mounted equipment on a motor car?
PASH
A
- Panto
- Antenna
- Surge Arrester
- HVAC x 2
3
Q
List of roof mounted equipment on a Trailer car?
A
HVAC x 2
4
Q
What is located at number 1?
A
Electrical isolate
5
Q
What is located at number 2?
A
Towing cock
6
Q
What is located at number 3?
A
MR to Coupler
7
Q
What differentiates the DMA car from the DMB car?
A
- DMA has PA CB
- DMB has CCTV Recorder CB
8
Q
What kind of key does the Siemens use?
A
D
9
Q
How are the saloon doors numbered on a Siemens?
A
1 to 4 in a clockwise direction from number 1 end
10
Q
Where is the wheelchair access on a Siemens?
A
1 & 4 doors
11
Q
Where are the PEI’s located?
A
Right hand side of 1&2 doors of each car.
12
Q
What lighting is available in the Saloon?
A
Normal & emergency
13
Q
Where is the T-car fault panel located?
A
Right hand side of door 2 at 2 end.
14
Q
Where are the pantos located on a Siemens?
A
2 end of the DM cars.
15
Q
What does the traction inverter do?
A
Converts 1500v DC to 3 phase variable AC current
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
17
Q
What powers the Safety Loop?
A
Battery Charger
18
Q
Where are the batteries located?
A
B-side of T-car
19
Q
What happens if you lose 1 static Inverter?
A
AC will run at 50%
20
Q
How are the Pantos on the Siemens powered?
A
Electro-Mechanical
(Battery power pushes them up)
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
22
Q
Two ways to lower pantos on Siemens?
A
Stable and Panto down
23
Q
Where is the Panto crank handle on Siemens?
A
2 cabinet behind door 2, A side of motor cars.
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.
25
If the passenger door on Siemens has an obstruction, how many time and for how long will it attempt to close?
3 times at 3 second intervals
26
After how long will the Doors Auto Close Feature close the doors?
60 seconds
27
What doors does the Auto Door Close Inhibit work on?
Doors 1&4
28
When must the Auto Door Close Inhibit be pressed?
Before assisting passengers with special needs
29
Where are the DERs located?
Left hand side of every door
30
At what speed can the DERs be operated?
Any speed
31
What causes Auto Application of the Emergency Brake?
SpEOCMTVS
- Semi-permanent Coupler fails
- Electric Coupler
- Overspeed
- Critical Fault in Brake Unit
- MR falls below 600
- Trip
- Vicers
- Safety Loop Short Circuit
32
Tripping circuit breakers that cause Emergency Brake in Siemens?
FACES
- Friction Brake & Monitoring
- Auto Coupler Control (Leading Centre Cab)
- Cab/Train Manned
- Emy Brake Valve
- Safety Loop
33
How is the trip operated?
Electrically
34
What is the compressed Air supplied to in the Siemens?
MAAPSW
- Main Res
- Aux Res
- Air Suspension Res
- Park Brake
- Service Brake
- Whistle
35
Where is the Main Res Located?
Number 2 end of every car
36
What is the kPa of the Compressor Governor?
850 kPa
37
What is the Main Reservoir Pressure?
850 to 1000 kPa
38
What are the safety valves set to between the Compressor and the Air Dryers?
1100 kPa
39
What are the safety valves set to between the Air Dryers and Main Reservoir?
1050 kPa
40
What equipment and associated plumbing is the Air Suspension System made up of?
LAS
- Levelling Valves
- Air Bags
- Surge Reservoirs
41
How many & where are the Levelling Valves located on the DM car?
1 on each bogie
42
How many & where are the Levelling Valves located on the T car?
2 on number 1 bogie & 1 on number 2 bogie.
43
How many & where are the Surge Reservoirs located?
2 on each car
44
What 4 things is the Brake Sytem comprised of?
SHEP
- Service Brake
- Holding Brake
- Emergency Brake
- Park Brake
45
What speed does the ED brake begin to fade out and become just EP braking?
10 km/h
46
What brakes are only on Motor cars?
Electro-Dynamic braking
47
When wheel slide happens, what braking will take over for the remainder of the braking?
Electro-Pneumatic Braking
48
What braking is fitted to Trailers?
EP braking
49
What is the pressure of Holding Brake?
110 kPa
50
What is the threshold of Holding Brake?
0.2 km/h
51
What is the brake pressures for B1 & B6
57 & 189 kPa
52
Emergency Brake pressure?
280 kPa
53
Where are the Park Brakes fitted?
3 & 7 on EVERY car
54
What are the two isolating cocks in the Brake Module?
Air Suspension IC & Bogie IC
A over B
55
What does the Emergency Brake Magnet Valve do?
It applies the emergency brake when safety loop is de-energised?
56
When does the red light in the sander illuminate?
When sand levels fall below 20%
57
What equipment does the braking system consist of?
Big Bears Always Poo Backwards
- BCU
- Brake Module
- Associated isolating Cocks
- Parking Brake Cylinders
- Brake Cylinders
58
Does the T-car BCU interface with a TCU?
No, as no ED is available on Trailer cars.
59
What is located at number 5?
Surge Reservoirs
60
What is located at number 7?
Auxiliary Reservoir 1
61
What is located at number 6?
Air Suspension Reservoir 1
62
What is located at number 8?
Resistor Grids
63
What is located at number 9?
Traction Container
64
What is located at number 10?
Traction Control unit
65
What is located at number 11?
Traction Inverter
66
What is located at number 12?
HSCB and Ground Switch
67
What is located at number 13?
Brake Control Unit
68
What is located at number 14?
Sanders I.C.
69
What is located at number 15?
Brake Module 2
70
What is located at number 16?
Air Suspension 2 I.C.
71
What is located at number 17?
Bogie 2 I.C.
72
What is located at number 18?
Sander
73
What is located at number 19?
Manual Park Brake Release 2
74
What is located at number 20?
MR Pipe to T Car
75
What is located at number 21?
Surge Reservoirs 2
76
What is located at number 22?
Air Suspension Reservoir 2
77
What is located at number 23?
Auxiliary Reservoir 2
78
What is located at number 25?
Brake Module 1
79
What is located at number 26?
Air Suspension 1 I.C.
80
What is located at number 27?
Bogie 1 I.C.
81
What is located at number 28?
TU1 I.C.
82
What does the Towing Cock do?
Reduces pressure to 700 kPa from MR between Siemens & Comeng when performing rescue.
83
What is the coupler type on Siemens train?
Dellner
84
What Reservoirs are at number 1 end of both Siemens cars?
AAS
- Aux Reservoir
- Air Suspension Reservoir
- Surge Reservoir
85
What Reservoirs are at number 2 end of both Siemens cars?
MAAS
- Main Reservoir
- Auxiliary Reservoir
- Air Suspension Reservoir
- Surge Reservoir
86
What does the Static Inverter do on a Siemens?
Converts 1500v DC to 400v AC & 240v AC Single Phase (to the GPO)
87
Where are first aid kits on Siemens?
In every motor car.
88
What are the controls of the Master Selector?
- Reverse
- Neutral
- Forward
- Set Speed
89
When does the overspeed trip the Emergency Brake?
125 km/h
90
When you drop the Hand or Foot valve, how long will you get a tone before Emergency Brake comes on?
3 seconds
91
What are the 3 main causes for getting a ‘Critical Defect’ light?
MSWs
- Major Fault Friction Brake System
- SIVs fail (both)
- Wheel slip affecting operation of Sanders
92
If the ‘Fault Acknowledge Button’ is flashing due to a known fault, what must always be done?
It needs to be pressed to make the light go steady, so if there is another fault it will flash again.
93
What do “FACES” actually do? (Not what each letter means)
They are all Micro Circuit Breakers that open the safety loop.
94
What are the 5 modes of the Mode Key Switch?
0: Normal
1: Pushed
2: Pulling
3: Pulled
4: Pushing
95
When does the PEI time out on a Siemens?
150 Seconds
96
How many times will the DDA (disabled discrimination act) flash when pressed by customer?
5
97
Does the Master key switch being placed to off apply the Emergency Brake?
Yes
98
What purpose do the HSCB serve?
Safely disconnects the traction equipment from Overhead line in the event of overload of current, traction faults or short circuits.
99
How do you isolate a saloon door on a Siemens train?
Manual isolating switch operated by triangle key.
100
What force applies the Emergency Brake on a Siemens Train?
Electro-Pneumatic Brake (Friction)
101
What wheels on a Siemens have Park Brake Cylinders fitted?
3 & 7
102
Safety loop de-energises if park brake is applied over what speed?
5 km/h
103
On a Siemens train, what purpose does the Pressure Limiting Valve serve?
Adjusts Pre-Control pressure to the Relay Valve
104
When is the sanding system utilised?
When the Brake Control Unit senses wheel slip.
105
What are the train lined fault lights on a Siemens train?
SCMRDC
- Safety Loop
- Critical Defect
- Maintenance Fault
- Reduced Performance
- Door System
- Compressor fault
106
What two Circuit Breakers are behind the fire extinguisher on the A side of the cab?
GT
- GPO
- Trip Cock Device
107
What’s the best way to find no 1 end B side on a Siemens motor card?
The trip
108
What’s the best way to find B side on a Siemens Motor Car?
Sander by itself
109
What’s the best way to find no 1 end A side on a Siemens trailer car?
Sander and Air Compressor beside each other.
110
What’s the best way to find no 2 end on a Siemens Trailer car?
Transition Coupler
111
What’s the best way to find no 2 end on a Siemens tralier?
Transition Coupler
112
What’s the best way to find no 1 end B side on a Siemens Trailer car?
Sander and Brake Module - No Transition Coupler
113
What’s the best way to find no 1 end A side on a Siemens Motor car?
No cocks or equipment
114
What’s the best way to find no 2 end A side on a Siemens Motor car?
Sander and brake module
115
What is located at 10?
POTS System
116
What is located at 11?
Static Inverter Container
117
What is located at 14?
Auxiliary Equipment
118
What is located at 15?
Brake Control Unit
119
What is located at 27?
Battery Container
120
Where is the whistle IC?
Cabinet on the left of drivers seat on the B-side of the motor car.
121
What are the ‘train lined’ fault lights?
SCMRDC
- Safety loop
- Critical Defect
- Maintenance Fault
- Reduced Performance
- Door Systems
- Compressor Fault
122
What are the Bypass Switches in the Circuit Breaker cabinet (clear door) in a Siemens?
DSTDBpV
- Door Loop Bypass
- Safety Loop Bypass
- Trip Bypass
- Deadman’s test
- Brake pipe in rescue mode
- Vicers isolate
123
After how long will the Memory Aid button emit a tone and flash when in secondary Circuit?
45 seconds
124
If the Memory Aid has flashed and emitted tone for 45 seconds in secondary circuit after how long will emy brakes engage?
10 seconds
125
What will be bypassed if you turn the Safety Loop Bypass Key Switch?
HBCMOVE
Hand & Foot
BCU Monitoring
Coupler fail relay
MR pressure Relay
Overspeed Relay
Vicers
Emy stop button (active cab)
126
Local Fault lights
Get in your head in case
Brakes
Brakes
Park brakes
Park brakes
Vigilance fault
PA
HVAC 1
HVAC 2
Traction system
CCTV
127
When will the uncouple button flash due to low pressure in Main Res?
850 kPa ⬇️
128
What pressure ⬇️ do you receive a compressor fault lights?
650 kPa
129
What pressure does the safety loop open?
600 kPa
130
When Main Res pressure falls to what, will the park brakes come on due to pressure not being able to hold them off?
350 kPa
