The application of PLC in the bar code detection

The application of PLC in the bar code detection newmaker welcome to e hall exhibition hall 3 PLC PLC programmable controller, PLC programming cable. 。 。 This paper introduces the application of PLC on the bar code detection, USES a stable performance and simple structure, high cost performance B1 / B1z series host, results in lower cost and better; With Unicon touch screen into the barcode, the barcode compares the operation, control is simple and efficient. Keywords: B1 / B1z introductions to the barcode testing, packaging, medicine, manufacturing, etc. There are many different kinds of products that need a lot of information management in all walks of life are useful to the barcode, it is also a or a batch of product identification. Bar code product information whether to print good and right, using FATEK PLC controller with keyence SR - 600 code bar code detection system composed of equipment, can accurately identify and achieve control requirements. 2, B1 series PLC structure is exquisite, cheap, superior performance, with high cost performance. Comes with a communication port to realize communications with touch screen, B1 - CM22 communication extension module provides two 232 communication with two road sweeping code equipment SR600 communication; Standard code can sweep in advance, or manually input; Each electric switch induction equipment items to start scan code, will sweep the bar code and the preset standard code, error to eliminate action, guaranteed smoothly through the barcode right product. Main configuration: PLC: B1 - 20 m communication extension module: B1 - CM22Unicon seven inches below the touch screen: HU070S keyence barcode reader: SR - 600 2, the flow chart of program design: 3, touch screen design: standard size, can be manually input by sweep or, when the normal code into alignment is consistent, the smooth action, and compare the results for the same or not exceed a certain time failed to identify, are considered to be an error, eliminates automatically. To the implementation of accurate data transmission, need to bar code reader keyence SR600 configuration Settings, to determine the PLC communication instructions to read and identify data address and forms; Don't get here. Three, simple application experience B1 series PLC application in the project reflects the excellent quality and cost-effective; Simple programming and control, to equipment maintenance; Powerful communication command and interface functions, it is easy to communicate with sweeping code equipment, reliable performance makes smooth control action. And our excellent reputation in the industry, in the face of customer demand for overall services, has extensive long-term market development space.
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