ST750
G
ENERAL
H
ANDBOOK
667/HB/33750/000
Page 14
Issue 6
STS
(Site to Scale)
This is a scale drawing of the intersection including Cabinet
Assembly position, detector loop positions and specification, cable
routing and poles with signal head arrangements.
Works
Specification
Document produced by Siemens, which details the hardware
required for the ST750 and includes Site Data, usually in the form of
a printout of the data entered on the configurator.
1.6 Abbreviations
AC
Alternating Current
AGD
Above Ground Detector
BIT
Binary digit (i.e. `0' or `1')
CET
Cable Earth Terminal
CLF
Cableless Linking Facility
CLS
Central Light Source
CPU
Central Processing Unit
DC
Direct Current
DFM
Detector Fault Monitor
ELV
Extra Low Voltage
EPROM
Erasable Programmable Read Only Memory
FT
Fixed Time
IC
Integrated Circuit
IC4
ST800 Configurator
I/O
Input/Output
I/P
Input
LED
Light Emitting Diode
LV
Low Voltage
ms
milliseconds
NLM
No LMF Module
OMU
Outstation Monitor Unit
OTU
Outstation Transmission Unit
PCB
Printed Circuit board
PLD
Programmable Logic Device
PROM
Programmable Read Only Memory
PSU
Power Supply Unit
RAM
Random Access Memory
RCD
Residual Current Device
RFL
Reset Fault Log (handset command)
RMS
Root Mean Square
ROW
Right Of Way
RTC
Real Time Clock
SA
Speed Assessment
SDE
Speed Discrimination Equipment
ST
Self Tuning
UTC
Urban Traffic Control