Real-time monitoring device for field bus link based on ARM (Advanced RISC Machines)
A field bus and real-time monitoring technology, applied in the field of numerical control, can solve the problems of ignoring the field bus link monitoring of the numerical control system, the difficulty of changing the form and information of the numerical control system, and increasing the data processing burden of the numerical control system, so as to achieve operability and integrity performance, increased flexibility and configurability, and high reliability effects
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[0034] The present invention proposes an ARM-based fieldbus link real-time monitoring device, which is set on the fieldbus link, obtains data information on the fieldbus link in real time, and monitors the link layer data and the linked equipment on the link. Real-time monitoring solves the problem of real-time monitoring of current fieldbus links, and has the characteristics of low cost, high reliability, strong functions and easy implementation.
[0035] figure 1 is a schematic diagram of the overall structure of the device, which includes an ARM processor, an FPGA module, a field bus communication interface and a human-computer interaction interface.
[0036] The data on the fieldbus link is downloaded to the FPGA module in real time through the fieldbus communication interface, and the data frame acquisition function is realized in the FPGA. The FPGA and the ARM processor are connected to each other through the data bus, address lines and control signal lines. The ARM proc...
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