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A, product compositionThe product consists of both were central control system and touch screen.The product parameters1, the 220 exchange input and 24 V dc input2, total power consumption is 0.5 W3 total weight, less than 0.5 Kg4, touch screen for 7 inch TFT screens, high strength touchpad, compression performance is strong5 and the central control system adopted the isolation method, effectively prevent the ozone generator of interference6, system USES Modbus agreement communication, leakproof preloading systems communication failureThree, the hardware connectionAs shown in figure 1, circuit board placed2, the panel adopts 16 a terminal and two of serial input/output interface3, J13 (the label on the control board for the label) for control board and touch screen communication interface, the serial line connection COM1 mouth touch screen4, J14 ?
