20
6.3.2.3 Handset control unit
The dispenser may be set up using either, a remote infrared handset, or a handset, which plugs
in to the calculator main board. These handsets are used to set up local configurations, fuel unit
prices etc. It is also possible to have readout of totals and errors.
6.3.2.4 Optional LON Interface
Having the Communication adapter COM board "WWC OEL 007" replaced with the LON
interface board "WWC OEL 003". This allows communication to approved forecourt control
systems using the IFSF protocol.
6.4 World Wide Calculator T1 (WWC–T1)
6.4.1 Introduction
The WWC- T1 differs from the WWC in that the nozzle switch bus board (NBB) is no longer
used, the functions of this are now incorporated in the Main board (HCM).
The Main board and the Incoming and outgoing board are now enclosed in a moulded plastic
housing which is fixed to the calculator chassis plate.
6.4.2 Construction
6.4.2.1 Calculator (Figures 38 and 39 )
The electronic calculator known as the WWC-T1 comprises of the following:-
a) Power supply unit HVU Identification No COC OEL 046._
Incorporates rechargeable batteries and maintains display and transaction information during a
power failure.
b) Main board HCM Identification No WWC OEL 001._
Incorporates the calculator module, controls the hydraulic units, interprets the signals from the
nozzle switches, and communicates with the communication adapter board COM which is
positioned outside the plastic cover and mounted on to the main board through holes in the
plastic cover.
c) Communication adapter COM Identification No WWC OEL 007._
Interfaces the dispenser operation to self-service equipment.
d) Incoming and outgoing board I/O Identification No WWC OEL 002._
Converts, controls and distributes the signals from the hydraulics unit (pulsers,valves,motors)
and communicates with the main board.
e) User access board (optional) Identification No WWC OEL 005._
In stand-alone mode this allows the dispenser to be set (unit prices etc), using the infra-red
handset control unit.
(98 paginas)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comentarios a estos manuales