13. Cashless finished session – unsolicited message
This message is received every time the attached MDB cashless is closing the current
session
<HEADER>
(B0)
<CMD>
(B1)
<PARAMETERS>
(B2 to Bn)
<CRC>
(Bn + 1)
0xFA
0x10
- B2 – B5 – always 0xFFFFFFFF
CRC
14. Change requested – unsolicited message
This message is received every time a customers press the change request button or lever
or every time the device is sending “Return change” command.
<HEADER>
(B0)
<CMD>
(B1)
<PARAMETERS>
(B2 to Bn)
<CRC>
(Bn + 1)
0xFA
0x0F
- B2 – B5 – the value (not scaled) of the last coin accepted and sorted by the bill validator
For example, for EUR1.00 the values will be:
- B2 = 0x00
- B3 = 0x00
- B4 = 0x00
- B5 = 0x64
Value is 0xFFFFFFFF if one of the conditions below are met (and the interface will not
return change to the customer even if there is some credit remaining):
- credit comes over the serial interface and not from inserted cash (let you control if you
want to return change for cashless credit loaded by serial port)
- machine is set for force vend and no product sold, yet
- current cash credit is greater than maximum change set on the interface
- there are not enough coins in the coin changer
- if the change operation is inhibited in the interface settings
Pressing changer escrow lever while the current credit is 0 will be ignored. No message
sent in this situation.
CRC
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