© by NECTA VENDING SOLUTIONS SpA
18
07-2002 148 03
BDV / MDB
The BDV and MDB protocol menus are relatively similar:
The following structure shows the differences.
Type of vending
Setting the operating mode for multiple or single dispens-
ing. With multiple dispensing, the change is not automati-
cally returned after a successful selection, however the
credit is available for further selections. When pressing
the coin return button, the available credit is returned up
to the "Maximum change" value.
Credit control
This function enables/disables the return of credit if no
selections are made.
If enabled, this function will allow the return of coins even
the first selection is not made.
Maximum credit
This function is used to define the maximum accepted
credit.
Maximum change
It is possible to set a limit to the total amount of change
returned by the coin mechanism when pressing the coin
return button or after a single dispensing serving.
Any credit exceeding the amount programmed with this
function will be cashed.
Accepted coins
It is possible to define which, among the coins recognised
by the validator, are to be accepted.
Check the label on the coin mechanism for the correct coin
to value matching, indicating the position of the coins.
Rejected coins
This function programs the rejection of coins when in "No
change" mode.
Check the label on the coin mechanism for the correct coin
to value matching, indicating the position of the coins.
Returned coins (MDB only)
This function enables/disables each of the buttons on the
coin mechanism used to release the coins from the
change return tubes.
Dispensing buttons (BDV only)
This function enables/disables all the buttons on the coin
mechanism used to release the coins from the change
return tubes.
Value of “exact amount” (BDV only)
This value defines the combination of empty coin tubes,
setting the coin mechanism in “exact amount” mode. The
possible combinations of empty coin tubes are indicated
below. For greater simplicity, the combination is de-
scribed with reference to tubes A, B and C, where tube A
receives the lower value coins and tube C the greater
value coins.
0 = A or (B and C)
1 = A and B and C
2 = A and B only
3 = A and (B or C)
4 = A only
5 = A or B only (default)
6 = A or B or C
7 = A or B only
8 = A or C only
9 = B and C only
10 = B only
11 = B or C only
12 = C only
C.P.C. devices (BDV only)
It dialogues with the coin mechanism if devices are
installed or removed from the serial interface (C.P.C.-type
devices - the monitoring unit is always enabled by default).
Accepted bills (MDB only)
It is possible to define which of the bills recognised by the
reader are to be accepted.
Minimum level of tubes
It brings forward the “Insert exact amount” message for
the user, by adding a number of coins between 0 and 15
to the programmed number of coins, to set the “full change
tubes” status.
Free Vend (BDV only)
Most payment systems with the BDV protocol control the
free vend function.
However, there are some payment systems without such
function.
In this case, if free selections are to be dispensed, free
vending must be enabled with VMC (vending machine
control, disabled by default) and the price of the selections
must be set to zero.
Immediate change (BDV only)
The amount of credit inserted for a selection is cashed
after the machine sends the message “Selection suc-
cessful”.
When this function is enabled, disabled by default, the
cash message is sent at the beginning of dispensing.
DECIMAL POINT
Press the confirm button “
” to display the position of the
decimal point, i.e.:
0 decimal point disabled
1 XXX.X
2 XX.XX
3 X.XXX
Press the confirm button “ ”, these values will start
blinking and can then be modified as necessary.
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