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Novel portable PLC (Programmable Logic Controller) programming device

A programming device, a portable technology, applied in the direction of electrical program control, sequence/logic controller program control, etc., can solve the problems of inconvenient debugging and inability to see the control effect, etc., to achieve easy portability, increase the scope of use, and light weight Effect

Inactive Publication Date: 2013-01-09
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the control components of many controlled devices are far away from the PLC host on the production line, the control effect cannot be seen during debugging, and the PLC input and output status and control effect can only be displayed by other devices of the PLC host. Inconvenience for debugging

Method used

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  • Novel portable PLC (Programmable Logic Controller) programming device
  • Novel portable PLC (Programmable Logic Controller) programming device
  • Novel portable PLC (Programmable Logic Controller) programming device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A new type of portable PLC programming device, such as figure 1 As shown, the programming device includes a main control module I, a memory module II, a power management module III, a communication interface module IV, a man-machine interface module V and a CAN interface module VI; the main control module I has the function of providing control for other modules of the system Instruction and data processing, interrupt service processing of peripheral modules, scheduling and processing of the running status of each module, and driving hardware modules and other functions, the programming device builds an embedded real-time operating system in the main control module I, and performs multi-task management and communication management to realize Functions of editing and processing PLC user programs and monitoring PLC running status; such as figure 2 As shown, the main control module 1 includes an embedded ARM microprocessor 1, a real-time clock circuit 2, a reset circuit 3...

Embodiment 2

[0062] A novel portable PLC programming device with simplified structure.

[0063] Embodiment 2 is a simplified transformation structure of Embodiment 1 of the present invention, such as Figure 3 ~ Figure 4 Shown, do not comprise USB charging controller 10 in the power management module of the novel portable PLC programming device of this simplified structure, do not comprise USB interface 16 in the described communication interface module, that is: this programming device comprises main control module 1, storage Controller module II, power management module IIIa with simplified structure, man-machine interface module V, CAN interface module VI and communication interface module IVa with simplified structure;

[0064] The power management module IIIa of described simplified structure comprises external power interface 8 and voltage conversion circuit 9, and external power interface 8 is connected with the embedded ARM microprocessor 1 of main control module 1 by voltage conve...

Embodiment 3

[0068] New portable PLC programming device without communication interface module IV.

[0069] Embodiment 3 is yet another simplified transformation structure of Embodiment 1 of the present invention, such as Figure 5-Figure 6 As shown, the new portable PLC programming device only includes a main control module I, a memory module II, a man-machine interface module V, a CAN interface module VI, and a power management system with a simplified structure of only an external power supply interface 8 and a voltage conversion circuit 9 Module IIIa has no communication interface module IV. In this structural form, the main control module I is connected with the memory module II, the power management module IIIa, the man-machine interface module V and the CAN interface module VI respectively, and the power supply The management module IIIa is connected with the PLC host 18, and the CAN interface module VI is connected with the PLC host 18 and the upper computer 17 through the CAN bus;...

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Abstract

The invention relates to a novel portable PLC (Programmable Logic Controller) programming device which comprises a main control module, a storage module, a power management module, a communication interface module, a human-computer interface module and a CAN (Control Area Network) interface module, wherein the system carries out multitask and communication management on the basis of the main control module and edits, processes, monitors and debugs a PLC user program; the power management module realizes power selection; the storage module stores system and user programs, data and dynamic running space; the communication interface module extends UART (Universal Asynchronous Receiver / Transmitter) and USB interfaces; the human-computer interface module provides an interactive interface; the CAN interface module programming device can be connected with any CAN node to access to CAN field bus; and the main control module is connected with the rest five modules respectively, the power management module and the communication interface module are respectively connected with a PLC main computer, and the communication interface module is connected with an upper computer. The novel portable PLC programming device can work in an off-line state, directly communicates with the upper computer and debugs, operates and monitors the user program of the PLC main computer.

Description

Technical field: [0001] The invention relates to a programming device, in particular to a PLC (programmable logic controller) programming monitoring device. Background technique: [0002] The programming device is an important peripheral device of PLC (programmable logic controller, hereinafter referred to as PLC). There are two main types of current PLC programming devices: one is a computer with special programming software, and the other is a special portable handheld programmer. ; The first type of PLC programming device can edit, insert, and modify PLC user programs in offline mode, but can edit, insert, modify user programs and On-site monitoring, debugging and other operations; the second type of portable handheld programmer has the characteristics of small size, light weight, easy to carry, suitable for on-site programming and debugging, but the programming device must be connected to the fixed communication port of the PLC equipment through a special cable to edit, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
Inventor 蔡启仲李克俭罗功琨潘绍明任伟刘步林
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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