WWC T1 Set Up & Maintenance Manual Introduction
Document Ref 905675-001 Rev 2 Page 1-7
1.6 Nomenclature
The various abbreviations used in thie manual are described as follows:-
CoCa Today’s Common Calculator and base of the WWC
CSD-F Common Sales Display - Ferranti
CSD-L Common Sales Display - LCD
Dipnet Dispenser inter-peripheral network
ELU Energy Limiting Unit (i.e.Nozzle Bus Intrinsically Safe Barrier)
EMPD Emergency Manual Pumping Device
EMT Electro-Mechanical Totalizer
HCM Hydraulic Control Module
HOM Hydraulic Option Module
HSC Hall Sensor Controller
HVU High Voltage Unit
IEB I/O Extension Board
IFSF International Forecourt Standard Forum
IOB I/O Board
IRM Infra Red Module
LON Local Operating Network
MB251 Mainboard 80251
MP1 Magnetic Pulser 1
NBB Nozzle Bus Board (integrated in Main Board v3 and later)
OCB Option Controller Board
ODU Optional Display Board
OPB Option Peripheral Board
OPU Optional Peripheral Unit
PCB Printed Circuit Board
POS Point of Sale
SCG Self Calibrating Gas
SPI Serial Peripheral Interface
UAK User Access Keypad
UAM User Access Module
UPD Unit Price Display
VFM Vapour Flow Module
VRC Vapour Recovery Controller
WWC World Wide Calculator
Issue A
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