Quantum Q100T Manual de usuario descargar pdf (Pagina 19)

The label on the opto isolator bears the part number 700-017-1010, an alternative design of the

opto isolator bears the part number 700-017-1011, as shown in Figure 35.

6.3 World Wide Calculator (WWC)

6.3.1 Introduction

Having the dispensers as described in the Certificate but replacing the existing calculator head

with the World Wide Calculator.

6.3.2 Construction

6.3.2.1 Calculator (Figure 36)

The electronic calculator known as the WWC 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 and controls the hydraulic units and communicates with the

communication adapter board COM, and the nozzle bus board NBB, both of which are

mounted on the main board.

c) Communication adapter COM Identification No: WWC OEL 007._

Interfaces the dispenser operation to self-service equipment.

d) Nozzle switch bus NBB (optional) Identification No: WWC OEL 012._

Interprets the signals from the nozzle switches.

e) 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.

f) 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.

6.3.2.2 Transaction display (Figures 37)

The calculator contains two display boards, one on each side of the display head.

The boards contain 7-segment electro-mechanical or liquid crystal displays for price to pay (5-

digits of 25mm height), volume (5-digits of 25mm height), and pence per litre (4-digit of

12mm height).

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Quantum Q100T Manual de usuario Pagina 19