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High-speed Ethernet programmable controller system based on fund conference bus in site

A foundation field, programming controller technology, applied in the direction of electrical program control, program control in sequence/logic controller, transmission system, etc., can solve the problems of not supporting FF protocol, rising integration cost, inconvenient application, etc., to achieve Improved operational efficiency and reliability, improved utilization, easy-to-master effects

Inactive Publication Date: 2007-02-28
MICROCYBER CORP
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AI Technical Summary

Problems solved by technology

Since the PLC market has been monopolized by a few manufacturers, Chinese people have to use PLCs from foreign manufacturers during integration, which directly leads to an increase in integration costs.
In addition, the PLCs of these manufacturers usually do not support the FF protocol, and the gateway is often required to perform protocol conversion during integration, which further increases the cost and brings great inconvenience to the user's application.

Method used

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  • High-speed Ethernet programmable controller system based on fund conference bus in site
  • High-speed Ethernet programmable controller system based on fund conference bus in site
  • High-speed Ethernet programmable controller system based on fund conference bus in site

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0039] As shown in Figure 1, the present invention adopts the PLC target system of two embedded controller structures, and an embedded controller is used for the FF field bus interface card that communicates with upper computer and other FF field devices, and another embedded controller is used for Execute the control algorithm to realize the PLC operation system of the control strategy, and use the dual-port RAM memory for communication between the two; the FF field bus interface card communicates with the PLC algorithm programming system in the host computer that conforms to the IEC61131-3 standard;

[0040] Among them: In the FF field bus interface card: 1) Introduce flexible function blocks for input / output functions (ie: multi-channel analog input / output function blocks and multi-channel digital input / output function blocks) as the remote ...

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Abstract

The invention relates to a programmable controller based on on-site high-speed Ethernet of foundation, wherein it uses PLC target system with two embedded controllers, as FF on-site bus interface card and PLC operator; the FF on-site bus interface card has the flexible function block for inputting / outputting function as multi-path analogue input / output function block and multi-path digit input / output function block, to be used as the remote data interface of PLC; the PLC is seamlessly integrated on the FF HSE bus; and it uses detecting diagnosis function block to detect the PLC operation by superior machine; and the PLC algorism programming system of superior machine via FF on-site bus interfaces card can download algorism (TIC code) and I / O distribution document. The invention can realize single-machine on-site control, and interact with FF on-site device as remove control.

Description

technical field [0001] The invention relates to the field of industrial automation control, embedded computer system and field bus, in particular to a programmable controller (PLC) system based on Foundation Field Bus (FF) High Speed ​​Ethernet (HSE). Background technique [0002] Fieldbus technology is currently a hot technology in industrial control systems. Fieldbus-based control systems have incomparable technical advantages compared to traditional industrial control systems. Advanced industrial control systems in the international market are widely using fieldbus technology, which drives the development of industrial automation systems. overall technology development. PLC is a general industrial control device based on microprocessor, integrated computer technology, automation technology and communication technology, oriented to control process, oriented to users, adaptable to industrial environment, easy to operate and high in reliability. Applications, especially in ...

Claims

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Application Information

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IPC IPC(8): G05B19/05G05B19/418G06F13/38H04L12/00
CPCY02P90/02
Inventor 于海斌王锴王宏林跃王鹏苗利
Owner MICROCYBER CORP
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