PLC interactive FC performance function realization method

A technology of function function and implementation method, applied in the field of communication, can solve the problems of reducing hardware cost and increasing flexibility, and achieve the effect of reducing hardware cost, increasing flexibility, and flexible and convenient program reference

Active Publication Date: 2021-03-12
DEEPBLUE TECH (SHANGHAI) CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above-mentioned technical problems, the present invention proposes a method for implementing PLC interactive FC function functions, which can solve the problem of unified interaction between different PLCs and different drivers, and improves the interaction efficiency and network node flexibility. Set the setting, greatly increase the flexibi

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  • PLC interactive FC performance function realization method
  • PLC interactive FC performance function realization method

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] figure 1 It is a schematic diagram of the realization method of the PLC interactive FC function according to an embodiment of the present invention. PLC drives the driver through drive commands. PLC includes FC function sub-modules. Displacement control strategy, fault acquisition and fault reset strategy, actual parameter reading and writing and dynamic parameter writing strategy. Among them, the FC function uses a time-sharing trigger MASTER or exte...

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Abstract

The invention provides a PLC interaction FC performance function realization method. A PLC drives a driver through a driving instruction, the PLC comprises an FC function sub-module, the FC function sub-module comprises an FC performance function, and the FC performance function comprises a jogging/inching control strategy, a single action control strategy, a speed/moment/displacement control strategy, a fault acquisition and fault reset strategy, and a real parameter read-write and dynamic parameter write-in strategy. The FC performance function adopts a time-sharing triggering MASTER or extended frame + data frame interaction instruction and a secondary retransmission mechanism. According to the method, the problem of interaction unification between different PLCs and different drivers can be solved, the interaction efficiency and network node flexible setting are improved, and the uncertainty risk caused by purchasing is greatly reduced; and a parameter input and output mode is adopted, and the FC performance function is packaged and encrypted by adopting a black box, so program reference is flexible and convenient, and various complex control functions can be realized.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for realizing a PLC (Programmable Logic Controller, Programmable Logic Controller) interactive FC (function), a non-transitory computer-readable storage medium and a computer device. Background technique [0002] At present, PLCs have FC sub-function modules that are interactively associated with their own brand drivers, which respectively implement sub-functions such as start-stop control, pause, return (return to zero), absolute displacement control, relative displacement control, and read and write. Functions can be called multiple times independently. [0003] However, when the PLC interacts with similar drivers of other brands, it is impossible to achieve repeated calls. It is necessary to develop an innovative FC sub-function module, add the Pulse / mm conversion function separately, and require a physical detection switch to return to zero, and it is ...

Claims

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Application Information

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IPC IPC(8): G05B19/05
CPCG05B19/056
Inventor 陈海波赵远鹏
Owner DEEPBLUE TECH (SHANGHAI) CO LTD
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