Gasboy FuelOmat system 8 Popt Commverter - Manual (Page 67)

2.13.1. MPI-C Connector Pinout and Signals
Table 2-3 details the MPI-C pinout, Table 2-4 describes MPI-C signals.
Table 2-3. MPI-C Pinout
8 7 6 5 4 3 2 1
GND ByPass Inuse Pulse B Pulse A SSR V GND V OUT
CHANNEL 1/2
Table 2-4. MPI-C Signals
Signal Description
Pulse Input (5) The dispenser outputs pulses to the system by means of the Pulser unit,
installed in accordance with the manufacturer instructions. The Pulse rate
per volume (liter/gallon) is determined by the Pulser unit. It is programmed
as a "factor" by the Head Office controller
Handle Status Input
(6) The handle signal is used to indicate the system that the pump is "In Use"
mode. When the dispenser handle is lifted this contact will close. This
should signal the system that the pump is "In Use" or that the transaction
ended
Authorization Output
(3) The dispenser requires an authorization signal from the MPI-C card to start
a sale transaction. Without this authorization signal, the electric valve (or
pump) will not open and the sale transaction will not begin. The MPI-C
card switches the AC power signal to the valve. When the dispenser
receives the authorization signal, fuel is flowing
8 Port CommVerter Operation and Installation Manual 63