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23
CREDIT-DEBIT system
23.1
CREDIT - DEBIT system with direct
connection to the register
The CREDIT-DEBIT system allows the coffee to be
delivered from the machine only after beverages have
been paid for at the cash register.
In particular, the system is structured as follows:
Beverages are ordered
at the cash register
Beverages ordered
at the cash register
can be dispensed
23.2
Installation
For installation proceed as follows:
• Turn the machine off;
• Position switches 11 and 15 of the SW2 micro-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.
78
23.3
Communication protocol
Description of the operating principle with reference
to the diagram shown below:
1.
order the beverage at the cash register;
2.
select the ordered dose on the coffee machine;
3.
the code that corresponds to the selection is sent
to the cash register (see codes table);
4.
the cash register replies ACK=06H thus enabling
delivery;
5.
the coffee machine delivers the 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=15H code.
1
2
3
4
5
• Baud rade: 1200
• 8 bit
• 1 bit Stop
• No Parity (none)
Technical manual
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