3 Hardware in the PSS 5000
Overview of hardware
elements in PSS 5000
The hardware components in the PSS 5000 are designed and built specifically
for the petrol station environment. This ensures that they operate reliably and
safely even when everyday situations, such as power surges and electrical
emissions from other devices or lightning, occur. To learn more about the
hardware, the individual components are described in the following topics:
• ‘3.1 Cabinet’ on page 13
• ‘3.2 CPU Board’ on page 13
• ‘3.3 Hardware Modules’ on page 14
Concept of the PSS 5000
hardware
Each PSS 5000 includes the following base elements:
• Cabinet, which functions as a connection box and houses the other hard-
ware components.
• CPU Board, which provides the processing power of the unit.
• Power supply, which is selected to match the local mains supply.
After these base elements come the Hardware Interface Modules (HIMs).
These must be selected to match the specific devices present on the individual
petrol station forecourt. The number and types of HIMs are selected to fit the
individual stations. If the connection requirements to the forecourt devices
change, then new modules can be added and unused modules removed.
Illustration of the PSS
5000 cabinet and
contents
The illustration below shows both the outside of the PSS 5000 cabinet and its
contents (front door open).
This is an example of a standard cabinet with a 230V power supply and a
CPB539 processing unit.
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