coin_validator.md

February 19, 2022 · View on GitHub

Set the switches on the coin validator to "NO" (contact normal open) and "Medium" (medium pulse speed).
Apply the 12V to the coin validator (without Raspberry Pi) => The coin validator will flash and show 0 (zero)
Press and hold simultaneously the ADD and MINUS buttons until A appears in the display
When B appears, switch back to A by ADD or MINUS
Press SET (slowly), then E will appear on the display
This indicates: You are in them menu to set the amount of differnet coin types
Set it to 6 (6 coins = 5 cents to 2 euros) with ADD (or MINUS) and press SET
Now the display shows H1 (for the first coin). The first of 6 LEDs has come on
Now specify how often the coin should be inserted for calibration
Set to 20 with ADD (or MINUS) and then press SET
The display now shows P1 for further settings of coin 1 and you can define the output signal
5 cents = 2 pulses / 10 cents = 3 / 20 cents = 4 / 50 cents = 5 / 10 euros = 6 / 2 euros = 7
Set to 2 pulses (for 5 cents) with ADD (or MINUS) and then press SET
The last thing on the display is F1, which represents the accuracy of the coin recognition. The value 8 worked well
Set to 8 with ADD (or MINUS) and then press SET
The parameters for the first coin have now been set
Now the second LED is on and the display shows H2
Now repeat the same steps again for the second coin (e.g. 10 Cent) up to coin 6 vor (e.g. 2 Euro)
When all coins are set, all LEDs flash briefly to confirm and the display shows A again
After a short time, 0 (zero) appears again in the display

coin validator

coin calibration