Siemens ST950 Plus+ - Definitions; Abbreviations

ST950 Plus+ User Manual
ST950 Plus+ User Manual
Page 11 of 176
667/HE/53000/000
Issue 2
Unrestricted
Definitions
Item
Definition
Bit
Binary digit (i.e. `0’ or `1’)
Byte
Eight bit data array (i.e. bits 0-7, and 8-15 are bytes)
EM
Controller identification number (ElectroMatic).
CIC
Configuration Identity Code (equivalent to EM above)
GVP
Generic Versatile Platform - used by ST950 and other Siemens products to
provide general services such as comms, user interface, etc.
STS
(Site to Scale)
A scale drawing of the intersection including controller position, detector loop
positions and specification, cable routing and poles with signal head
arrangements.
Word
Two-byte data array (i.e. bits 0-15 constitutes a data word)
Works Specification
Document produced by Siemens, which details the hardware required for the
controller and includes Site Data, usually in the form of a printout of the data
entered on the configurator.
Abbreviations
Abbreviation
Meaning
AC
Alternating Current
BCD
Binary Coded Decimal
CET
Central Earth Terminal
CLF
Cableless Linking Facility
CIC
Controller Interface Card
CLU
Cableless Linking Unit
CPU
Central Processing Unit
CRC
Cyclic Redundancy Code
CRL
Certificate Revocation List
CTB
Controller Terminal Backplane
DC
Direct Current
DFM
Detector Fault Monitor
DHCP
Dynamic Host Configuration Protocol
DNS
Domain Name System
ELV
Extra Low Voltage
GSPI
Generic Serial Peripheral Interface
HI
High Intensity
HFF
Hardware Fail Flash (ST950 LV/ELV Only)