canteen consumer machine-main functional features

1. Simple and quick operation, double-sided LED display, allowing operators and consumers to view the transaction contents at the same time; 2. Computer keys with high touch sense are adopted, and the life of keys reaches 1,111,111 times; The whole keyboard is protected by silicone keyboard cover to prevent oil pollution and soup from flowing in; 3, the amount of input is fast and convenient, with the functions of addition, subtraction, multiplication and quick amount; F1-F7 can represent common amount values; 4. Flexible consumption mode: number consumption mode, direct input amount consumption mode, fixed consumption mode (fixed deduction of fixed amount by swiping the card), etc., and the consumption mode can be switched freely; 5, data double backup design, large system capacity, can accommodate 4 billion (2 to the 32nd power) user cards, and report the loss of 7,111 cards at the same time, recycling storage space, data can still be collected again after collection, and the consumer keeps at least the latest 1,111 historical records uncovered to prevent data loss; 6, the utility model patent, through 3C compulsory certification, energy-saving design, automatically enter the energy-saving working state when there is no external power; 7. With its own backup battery system, it can work for 5 hours in case of power failure, and it can be used normally in places where power is suddenly cut off or there is no electricity; 8. Different card types and temporary card functions can be set, and the card can be automatically locked after expiration. The maximum consumption limit can be set every day and every time, and the password input function for excess consumption is good in confidentiality and reliability; You can designate certain card personnel to spend money at designated machines. 9. Built-in standard TCP/IP Ethernet, RS485 and other communication networking modes. Directly connected to the LAN, the system is more stable and the data transmission is safer. SQL database C/S version of IC card rice charge management software, multi-owner management, comprehensive and detailed management reports, direct query statistics summary, print output. Background system software issues cards, opens accounts, recharges deposits, withdraws cash, reports card losses, replenishes cards, cancels, recharges detailed reports, recharges summary reports, consumption detailed reports and consumption summary reports. It can be managed by different owners and different equipment. 11, single machine can query the number and amount of consumption, and can query the recent transaction flow. The machine can freely switch the card swiping modes such as manual amount input and fixed deduction. Automatic identification of real-time online transactions and offline work, real-time TCP/IP data transmission, and offline storage of 16,111 transaction data.