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24
DEBIT-CREDIT system
24.1
DEBIT - CREDIT system with direct
connection to the register
The DEBIT-CREDIT system allows beverages to be
paid for after they have been delivered, as the doses are
recorded by the coffee machine's cash register.
In particular, the system is structured as follows:
Beverages are delivered
Beverage deliveries
are recorded by
the cash register.
24.2
Installation
For installation proceed as follows:
• Turn the machine off;
• Position switch 15 of the SW2micro-switch battery in
the ON position, as shown in the electrical diagram;
• connect the CS serial cable (code 22556004) to the
other end of the CC cable and to the register;
• start the machine again.
!
The cash register management software and
the standard serial cable CS (maximum length
15 metres) are not the responsibility of the
manufacturer.
i
It is possible to use a serial cable different from the
one supplied by manufacturer (cod. 22556004), as
long as it isn't longer than 15 meters.
Technical manual
24.3
Communication protocol
Description of the operating principle with reference
to the diagram shown below:
1.
select the desired dose on the coffee machine;
2.
the code that corresponds to the selection is sent
to the cash register (see codes table);
3.
the cash register replies ACK=1H thus enabling
delivery;
4.
the coffee machine delivers the beverage;
5.
the cash register records the delivered beverage
If the cash register does not identify the code, there
is no enabling and the delivery is not made, the cash
register sends the NACK=0H code.
1
2
3
4
• Baud rade: 1200
• 8 bit
• 1 bit Stop
• Parity E (even)
79
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