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Image sampling method of native mode dual communication based on MC protocol and Telnet

An image sampling and image acquisition technology, which is applied in the direction of pulse modulation TV signal transmission, electrical components, transmission systems, etc., can solve the problems of longer processing time and huge program volume, so as to improve processing speed, reduce cost, and reduce work volume effect

Inactive Publication Date: 2012-09-26
HANGZHOU COMFIRMWARE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Using the latter method, first of all, because it involves image shooting, data calculation, and data acquisition, transmission, etc., the amount of program will be very large, which indirectly makes the time of each processing longer

Method used

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  • Image sampling method of native mode dual communication based on MC protocol and Telnet
  • Image sampling method of native mode dual communication based on MC protocol and Telnet
  • Image sampling method of native mode dual communication based on MC protocol and Telnet

Examples

Experimental program
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Embodiment 1

[0029] When using the MC protocol to process data, it is necessary to perform such operations in the In-Sight browser as figure 2 , image 3 Related settings (circled part);

[0030] To use the native mode of telnet to communicate, you need to go to Sensor → Network Settings in the In-Sight browser. For specific settings, see the following Figure 4 (circled part);

[0031] When programming in the native mode of telnet, press Figure 5 The flow chart of the user name and password login, JOB (project) loading, and image acquisition, etc. Such as Figure 5 As shown, PLC proceeds sequentially from left to right in the figure.

[0032] In order to communicate with the imaging system, the network parameters, action settings, and open settings of the Ethernet module are also required, as follows Figure 6 , Figure 7 , Figure 8 operation. (The circled part in the figure is the part that must be set)

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PUM

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Abstract

The invention discloses an image sampling method of native mode dual communication based on an MC protocol and Telnet. A system with the method comprises a PLC, an Ethernet module, and an image system. The PLC is used for storing configuration command data, setting parameters, and controlling the image system, and processes the data transmitted by the image system. The image system carries out image acquisition and image processing. The Ethernet module is used for data transmitting between the PLC and the image system. A native mode is employed in the PLC to control the image acquisition of the image system and JOB switching. The MC protocol is employed to work out and transmit the result of the image processing. When the transmission of complex data is involved, the MC protocol is directed used. In the IN-Sight browser of COGNEX, related settings of the MC communication protocol are carried out, and the calculated data and the address of a host computer are correctly set, thereby realizing data transmission. With the method of the invention, the workload of programming is largely reduced, the scan time of the host computer is shortened, and the processing speed each time is increased.

Description

technical field [0001] The invention relates to an image sampling method based on dual communication of Native mode of MC protocol and Telnet. Background technique [0002] "Machine vision" is not an old topic. When a product is being manufactured, it needs to be inspected, the condition of the object needs to be confirmed for defects, the size needs to be measured and the information is sent to the robot equipment that manipulates the product on the production line. Obviously, the image Acquisition, processing and transmission are necessary. The images of each object need to be detected and accurately positioned. This is the concept of "machine vision". [0003] The image system products of COGNEX (Cognex), which is second to none in the machine vision industry, support the open standard communication protocols of PLC leading brands in terms of on-site communication, including CC-Link, MELSEC communication protocol, Ethernet / IP, PROFINET and ModbusTCP, It also supports TCP...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/24H04L29/06
Inventor 张承业
Owner HANGZHOU COMFIRMWARE TECH CO LTD
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