VRIOGS 012.0.4 RevA - Public Transport Victoria

VRIOGS 012.0.4 Revision A 13
7.1 Meaning of Letters
Letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
ø
Meaning
Approach – Illuminated Letter ‘A’ – Available – Axle - Arrestor – Annett –
Armature – Actuator- Audio – Antenna- Air
Block – Button – Battery – Positive Power – Box – Band – Banner –
Breaker - Bond - Board
Common – Control – Code – Correspondence – Cut – Controller –
Changer-Converter – Contact – Current –Counter – Core – Coupler –
Crowder – Circuit - Cross – Clamp – Claw - Collector
Distant (90° or Green) – Down – Decoding – Detector – Discrimination –
Direct – Device – Derail – Data - Directional
Electric - Electric Light – Lighting – Express – Equipment - Exchanger
Traffic – Transformer – Feed – Flasher – Free – Functional – Field – Filter
– Fouling - Frequency
Signal – Signal Mechanism – Gate – Grade – Geographical - Generator
Home (45° or Yellow) – Handle – High – Holding – House – Housing -
Hydraulic
Insulated – Inductor – Impulse – Intelligent – Interlocking - Impedance
Junction – Dual – Joint - Jointless
Indicator (visual) – Indicating
Lock (Initial Movement) – Locking – Left – Lever – Low – Logic - Lightning
Lock (indication or proving) – Module – Miscellaneous – Miniature –
Matching – Meter – Motion – Motor - Manifold
Normal (0° or Red or Purple) – Negative – Time Element Relay - Notice -
Neutral
Off – Out – On – Outer – Output – Object - Overlay
Repeater – Repeating – Power – Primary – Pilot – Pole – Panel –
Progression – Pedestrian – Proving – Pneumatic – Plug – Processor –
Push – Power – Predictor - Protection
Local coils (double element relay or mechanism)
Relay – Reverse – Right – Route – Receiver – Rectifier – Room - Radio
Stick – Staff – Storage – Stopping – Set – Secondary – Shunting – Switch
– Separation – Separator – Shift – Supply – State – Solid - Selector
Track – Telephone – Transmitter – Tone – Tuning – Treadle - Train
Up – Unit – Uninterrupted
Train Stop – Inverter – Vital – Voltage - Valve
Point Mechanism (switch) – Point – Points – Wiring – Warning
Bell – Buzzer – AC – Annunciator - Crossing
Slot (reverser) or Holding Mechanism
Zone, Also used for any specific term (with a detailed explanatory note on
plan)
Phase
Table 3 – Meaning of Letters
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