What is the operating principle of the vending machine?

The principle of operation and use of vending machines, vending machines in Dongguan, vending machines have their own dedicated communication protocol, the European and American series are“MDB, Japanese and Korean series are“VCCS is not a communication protocol such as 232, 485, or CAN. The main control board, banknote validator, and coin manager (recognition receiving, change making) all follow this agreement, and the same series (European and American series or Japanese and Korean series) have strong versatility. Not only the communication protocol is the same, but also the installation size, connection The same goes for plugs. That is to say, you can make parts such as the fuselage and shipment, and of course you can use the same manufacturer for the control panel of brand A, the banknote dispenser of brand B, and the coin dispenser of brand C, so that they can all work normally. When the conditions are available, gradually develop the control panel, banknote dispenser and coin dispenser. As for the working principle, roughly speaking, it is: when the goods are available, identify the received currency, the customer selects the goods, judges whether the input amount is enough, whether the change in the machine is enough for change, and then ships and gives change. Because there are too many logical relationships and too complicated, I can’t say in detail. For example: 1. When there are not enough 5 cents coins in the machine, you put in 5 yuan notes to buy 2.5 yuan or 3 yuan drinks: when the machine is set to find At zero o'clock, if you don't sell the 2.5 yuan drink, you will get 5 yuan back; if you sell the 3 yuan drink, you will find two 1 yuan coins. When the machine is set so that it can be sold without enough change, if you sell a drink at 2.5 yuan, you can click the machine to give you 2 coins; if you sell a drink at 3 yuan, you will find two 1 yuan coins. 2. When there are not enough 5 cents or 1 yuan coins in the machine, you put in 5 yuan notes to buy 2.5 yuan or 3 yuan drinks: when the machine is set to change, 2.5 yuan and 3 yuan drinks are not sold and returned 5 yuan. When the machine is set so that it can be sold even if there is not enough change, you can sell 2.5 yuan drinks, and you can get 2 drinks for you by clicking the machine; 3 yuan drinks are also sold, and the 2 yuan balance is always displayed on the machine, and you can then insert coins Add up and buy. The vending machine in Dongguan is a mechatronics automation device. On the premise that the currency has been input, the controller activates the mechanical device at the relevant position to complete the prescribed action and output the goods by means of the input signal of the touch control button. 1. The user puts the currency into the coin slot, and the currency recognizer recognizes the invested currency; 2. The controller provides the information of the commodity that can be sold to the user through the selection button indicator light according to the amount, and the user independently selects the commodity to be purchased; 3. Press the button corresponding to the product selected by the user, the controller receives the information transmitted by the button, drives the corresponding components, and sells the product selected by the user to the pick-up port; 4. If there is enough balance, you can continue Buy. Within 15 seconds, the vending machine will automatically find out the zero coins or the user rotates the coin return knob to withdraw the zero coins. 5. Take out zero coins from the coin withdrawal port to complete the transaction.

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Many of the vending machine listed here can be purchased for less money, but in general we recommend paying a slightly higher price for significantly improved performance. These are our top choices and their recommended configurations.

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