Changes to the forecourt
environment
The modularity of the PSS 5000, with its hardware interface modules and as-
sociated application software, makes it easy for the PSS 5000 to match any
changes made to the forecourt devices. By simply changing the modules to
match the devices on the forecourt and updating the application software, the
PSS 5000 is able to move forward as the site grows and changes. Because the
PSS 5000 with its standardized interface to the POS is situated between the
forecourt devices and the POS, then these device additions/changes rarely re-
quire changes to the POS.
2.3 Features of the PSS 5000
Positioning and internal
workings of the PSS
5000
The typical position of the PSS 5000 Forecourt Controller and the functions it
provides in the petrol station forecourt are illustrated below:
Equipment interfaces in
the PSS 5000
The PSS 5000 provides interfaces to a wide variety of forecourt devices. These
can be classified in the groups listed below:
Equipment Groups Links to Supported Devices
Pumps ‘List of pump protocols’ on page 19
Price Displays ‘List of price display protocols’ on page 22
Tank Gauge Systems (TGS) ‘List of TGS protocols’ on page 23
Payment Terminals ‘List of terminal protocols’ on page 24.
Vehicle Tag Readers ‘List of terminal protocols’ on page 24
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