2,50 Euros.In this case the credit to use the service is of 0,60 Euros.You dont insert money for a total above,because it dont return them.Two sensor control if the area is free or not(reed sensors or another).

The pad in stand bay have the green led turn on and two led green indicate than the two rooms are free,and the display will show"Insert coin".When you insert moneys the display will show the total moneys insert and the total to have the service. When the total is correct green leds lighten until you dont select the door to open.After the selection door the green led turn off and tehe red led turn on.When the people entry an close the door the conctat sensor is recognize and when the people reopen the door the pad recognize than the service is free and turn on the green led,turn off the red led.If you insert more of 2,50 euros into tokenbox the client lost the money. If money are inserted and the supply not to be the tokenbox store into memory the value and it's allow to use when the supply return.For shoe the total takings you must insert the Chip of service,and when you remove the chip the total expense is to zero.