The Compac C4000 is a microprocessor-based circuit board designed for
use in liquid and gaseous fuel metering systems. It is suitable for
commercial, retail, and bulk-metering applications and can be used for tank
gauging, card reader access, and many other control functions.
Connectors:
J1: Comms Test J7: Displays J13: CWIT/Secure
J2: To I.S. Power J8: Temperature Comp. PINPad
J3: Encoder 1 J9: PINPads J14: Printers
J4: Encoder 2 J10: Totes J15: Cardreader 1
J5: Encoder 3 J11: ParSw & Buzzer J16: Cardreader 2
J6: Encoder 4 J12: Nozzle Switches J17: Backlighting
Figure 1. Layout of C4000 Microprocessor Board
The main components associated with the C4000 head are:
Encoder
Displays
Litres
Dollars, litres and price
Litres, rate of flow and
preset
Preset
Last Sale, kilograms,
litres and price (CNG
only)
Temperature
compensation
Card-reader
PIN/Odometer Pad
Printer
Modem
Mechanical Totaliser
(Tote)
Nozzle Switch