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Industrial control network experimental platform based on filed buses and control method thereof

A technology of industrial control network and field bus, which is applied in the field of bus network, comprehensive factory control, comprehensive factory control, etc., and can solve the problems that students cannot master the characteristics of various field buses and the interconnection of different field buses.

Inactive Publication Date: 2010-12-22
SHANGHAI DIANJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the industrial control network laboratories in various universities are all built for a certain type of bus. Only the same type of bus can perform data communication. The protocol standard does not need to be converted, and information can only be transmitted between devices of the same brand. Can not enable students to master the characteristics of various fieldbuses and how to interconnect different fieldbuses
[0003] For example, an existing experimental system is composed of 16 B&R 2003 series PCCs (Programmable Computer Controllers). Students can use this controller to realize CAN bus transmission of single variables and CAN bus transmission of variable tables. Today's industrial control The more popular field buses such as PROFIBUS and Ethernet in the field cannot realize

Method used

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  • Industrial control network experimental platform based on filed buses and control method thereof
  • Industrial control network experimental platform based on filed buses and control method thereof
  • Industrial control network experimental platform based on filed buses and control method thereof

Examples

Experimental program
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Embodiment 1

[0034] see figure 1 , the present invention discloses a fieldbus-based industrial control network experiment platform, which includes an experiment terminal 10, a communication module 30, and a remote control terminal 20 connected in sequence.

[0035] The experimental terminal 10 includes a programmable controller and a computer equipped with corresponding development software, through which the engineering project of the terminal can be established. The programmable controller in this embodiment is a programmable computer controller PCC, and the controller PCC controls the field bus to transmit variable information. The remote control terminal 20 is used to remotely control the experiment terminal; the remote control terminal 20 includes a programmable controller PLC and a computer equipped with corresponding PLC programming software. The communication module 30 is used for transmitting data between the experiment terminal and the remote control terminal.

[0036] Such as ...

Embodiment 2

[0050] The difference between this embodiment and Embodiment 1 is that in this embodiment, the communication module 30 includes at least two groups of field bus communication unit groups 310, 320; the first field bus communication unit group 310 is arranged between the experimental terminal and the field Between the bus protocol conversion modules, the second field bus communication unit group 320 is arranged between the remote control terminal and the field bus protocol conversion module.

[0051] Each fieldbus communication unit group 310, 320 includes one or more, one or more types of fieldbus communication units. The two fieldbus communication unit groups are connected through the fieldbus protocol conversion module group 330, and the fieldbus protocol conversion module group 330 includes one or any number of fieldbus protocol conversion modules.

[0052] see Figure 4A , Figure 4A Among them, the first field bus communication unit group 310 includes several one type or...

Embodiment 3

[0058] The difference between this embodiment and the above embodiments is that in this embodiment, the communication module includes several parallel communication sub-modules; each communication sub-module includes at least two types of The field bus communication unit is used to transmit the data between the experiment terminal and the remote control terminal; a field bus protocol conversion module is set between the different field bus communication units connected in series.

[0059] Such as Figure 5 As shown, in this embodiment, the communication module 30 includes three parallel communication sub-modules 300, and each communication sub-module 300 includes two different types of field bus communication units 31, 32, and the two serial connection field bus communication units A field bus protocol conversion module 33 is set between 31 and 32 .

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Abstract

The invention discloses an industrial control network experimental platform based on filed buses and a control method thereof, and the experimental platform comprises an experimental terminal, a remote control terminal and a communication module. The experimental terminal comprises a programmable controller which controls the field buses to transmit variable information; and the remote control terminal is used for remotely controlling the experimental terminal. The communication module comprises field bus communication units of at least two types and a field bus protocol conversion module; and the field bus protocol conversion module is arranged between the field bus communication units which are connected in series and is used for converting a data packet which can be transmitted by one bus communication unit to a data packet which can be transmitted by other bus communication units. Protocol conversion of various field buses can be realized by the field bus protocol conversion module, thus realizing data communication between two types of field buses; and information transmission among different field bus devices can be constructed in a laboratory, and students can get to know more kinds of field buses.

Description

technical field [0001] The invention belongs to the field bus technical field, relates to an industrial control network experiment platform and a control method thereof, in particular to an industrial control network experiment platform based on various field buses and a control method thereof. Background technique [0002] In engineering colleges and universities, fieldbus courses are very practical. Only by building an industrial network and realizing data communication can one understand and master the overall structure of an industrial control network. At present, the industrial control network laboratories in various colleges and universities are all built for a certain type of bus. Only the same type of bus can perform data communication. The protocol standard does not need to be converted, and information can only be transmitted between devices of the same brand. Can not enable students to master the characteristics of various fieldbuses and how to interconnect differ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/40G05B19/418
CPCY02P90/02
Inventor 王芳王志刚
Owner SHANGHAI DIANJI UNIV
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