CN205880536U - Process control system experimental apparatus based on industrial control level required by communication - Google Patents
Process control system experimental apparatus based on industrial control level required by communication Download PDFInfo
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- CN205880536U CN205880536U CN201521125673.6U CN201521125673U CN205880536U CN 205880536 U CN205880536 U CN 205880536U CN 201521125673 U CN201521125673 U CN 201521125673U CN 205880536 U CN205880536 U CN 205880536U
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Abstract
The utility model belongs to process control system experimental apparatus based on industrial control level required by communication. Including experimental development subtotal program test part, wherein the program development weak point of update routine that like this can timely, analysis procedure feasibility among actual industrial control s are controlled actual experimental subject through MATLAB software is direct. The program test realizes with experiment test in the control program year entry control ware, carrying out real time monitoring with configuration software by industrial control through PLC to this comes the control performance of analysis procedure, also is convenient for directly use the procedure at other industrial environment. This experimental apparatus has strengthened the reliability of scientific research and development procedure in actual engineering greatly, is favorable to the debugging of procedure, saves the development time, raises the efficiency.
Description
Technical field
This utility model belongs to the experimental provision of Industry Control level communicating requirement.Specifically one can with based on
The control algolithm of matlab language directly controls actual controlled device, and can be loaded in programmable logic controller (PLC) and carry out
The experimental provision of real-time measure and control.
Background technology
Along with developing rapidly of electron trade, PLC superiority in Industry Control is more and more obvious.FPGA
Controller (PLC) is owing to using modern large scale integrated circuit, and loading program ensures that long-time control, reliability in real time
Height, capacity of resisting disturbance is strong.PLC also has perfect data operation ability, can be used for various digital control field.PLC stores
Logic replaces wired logic, greatly reduces the wiring controlled outside device, makes the cycle of Control System Design and construction greatly
Shortening, regular maintenance also becomes easily simultaneously, and these advantages jointly act on down diversified functional unit and emerge in multitude,
PLC is made to have penetrated in the various Industry Control such as position control, temperature control, CNC.Develop into today, defined various
The tandem product of scale, may be used for the Industry Control occasion of various scale.
At present, the R&D institution such as colleges and universities and scientific research institutions is made by MATLAB software at control program development test phase more
Carry out Computer Simulation, actual plant model is emulated into a transmission function or a nonlinear organization, imitates
True control, obtains the controlling curve of high-quality, then through PLC program, program is loaded in PLC and carries out actual control.But
Often emulation well to control program, practical engineering application can not get expected effect, among these mainly due to
The impact on controlling result of the deviation between controlled device practical situation and phantom.The most necessarily cause developer
MATLAB program to be remodified, tests repeatedly, and this, by expending the biggest manpower and materials, is unfavorable for Efficient Development.
Summary of the invention
The purpose of this utility model is a kind of development efficiency that improves provided to solve the deficiency of above-mentioned technology, satisfied
The experimental provision that industrial control communication requires.
In order to achieve the above object, the experimental provision designed by this utility model, mainly include experimental development part and journey
Sequence part of detecting.
Described experimental development part, mainly includes a computer and with MATLAB programming software, such as:
Matlab7.0, analog-digital converter, digital analog converter, actual controlled device, such as: electrodynamic valve.Program at MATLAB
Software developed control program and has verified performance in simulations, having write according to Modbus agreement in MATLAB software
Communicator program, make control program required for inputoutput data directly carried out data transmission by computer RS485 interface.
During output data, computer RS485 interface is connected with digital analog converter, digital quantity is changed into analog quantity, is connected to
Actual controlled device, carries out experiment test.Afterwards, the data that sensor reads are transferred to analog-digital converter, by analog quantity
It is converted into digital quantity, then is input in MATLAB software by computer RS485 interface, complete a closed loop.
Described program test part, mainly includes a computer and with PLC programming software, such as: STEP 7, and one
Platform computer with configuration software, such as: ifix5.0, Programmable logical controller machine (PLC).After completing program development,
Final program is write as the control program under PLC institute support environment by PLC programming software, and is loaded in PLC.On the other hand, root
According to contents of program exploit person machine interactive interface in configuration software, and the serial ports completed between configuration software with PLC is connected.PLC's
Control output end is connected with actual controlled device, and the data acquisition end of PLC is connected with sensor.
Basis is the most practical to be provided the benefit that:
1. program development part is directly to be controlled actual experiment object by MATLAB software, so can be timely
The weak point of amendment program, analyze program feasibility in actual industrial control；
2. program test part is to realize Industry Control by PLC, control program is loaded in controller and carries out experiment survey
Examination, analyzes the control performance of program, also allows for being directly applied to program other industrial environments.
Accompanying drawing explanation
Fig. 1 is that this utility model structure forms schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
Fig. 1 structure composition schematic diagram includes experimental development part and program test part.The program development initial stage is by experiment
Exploitation is partially completed.In the computer (1) with MATLAB programming software, carry out procedure simulation and debugging, obtain good control
Yeast production line, and after demonstrating the rapidity of program, accuracy, stability, according to Modbus communication protocols in MATLAB software (1)
View writes communicator program, and physical address is computer RS485 interface IP address, is called by MATLAB software (1) principal function, will
Control measure, according in output to digital analog converter (2), is converted into the analog quantity of corresponding actuator coupling, makes actuator transport
Dynamic.Thus actual controlled device (6) is controlled.The collection of controlled data is that the analog data exported by sensor reads
To analog-digital converter (2), it is converted into digital quantity and Phototube Coupling processes, then by RS485 interface, at computer
MATLAB software reads current controlled volume in (1).According to the control effect in computer MATLAB software and performance, repeatedly adjust
Joint control program, until preferably being controlled effect.
After the exploitation completing program is debugged, proceed by the Industrial Simulation of program, first by the program of MATLAB language
Write as the control program under corresponding PLC institute support environment, write by PLC programming software (3), and be loaded in PLC (5).Separately
On the one hand, according to contents of program logic exploit person machine interactive interface in configuration software (4), and complete between configuration software and PLC
Serial ports connect, such as use Modbus Transmission Control Protocol, by ethernet line realize communication.The control output end of PLC (5) with
Actual controlled device (6) actuator is connected, and the data acquisition end of PLC (5) is connected with actual controlled device (6) sensor.Mould
When draft experiment brings into operation, by the given setting value of configuration software (4) to PLC (5), the control that PLC (5) is loaded into according to inside
Program output controls, and generates the analog quantity of corresponding actuator coupling, makes actuator move, and the analog quantity exported by sensor
In digital independent PLC (5), formed and control loop, it is achieved the simulation Industry Control of high reliability.
Claims (3)
1. a Process Control System experimental provision based on Industry Control level communicating requirement, including experimental development part and program
Part of detecting, it is characterised in that:
Described experimental development part, has developed control program and the property verified in simulations in MATLAB programming software
Can, digital quantity is changed into analog quantity, is connected to actual controlled device, carry out experiment test, afterwards, sensor is read
Data are converted into digital quantity from analog quantity, then are input in MATLAB software by computer RS485 interface；
Described program test part, after said procedure has been developed, is write final program as PLC in PLC programming software
Control program under institute's support environment, and be loaded in PLC, on the other hand, develop man-machine in configuration software according to contents of program
Interactive interface, and the serial ports completed between configuration software with PLC is connected, the control output end of PLC is connected with actual controlled device,
The data acquisition end of PLC is connected with sensor.
2. Process Control System experimental provision based on Industry Control level communicating requirement as claimed in claim 1, its feature exists
It is connected with RS485 communication cable between described computer with digital analog converter and analog-digital converter.
3. Process Control System experimental provision based on Industry Control level communicating requirement as claimed in claim 1, its feature exists
First should be loaded into program to PLC in described PLC programming software, then controlled in real time by configuration software and detect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125673.6U CN205880536U (en) | 2015-12-31 | 2015-12-31 | Process control system experimental apparatus based on industrial control level required by communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125673.6U CN205880536U (en) | 2015-12-31 | 2015-12-31 | Process control system experimental apparatus based on industrial control level required by communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880536U true CN205880536U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521125673.6U Expired - Fee Related CN205880536U (en) | 2015-12-31 | 2015-12-31 | Process control system experimental apparatus based on industrial control level required by communication |
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| CN (1) | CN205880536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142407A (en) * | 2019-12-23 | 2020-05-12 | 东华大学 | Online real-time simulation method based on Siemens PLC advanced control algorithm |
-
2015
- 2015-12-31 CN CN201521125673.6U patent/CN205880536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142407A (en) * | 2019-12-23 | 2020-05-12 | 东华大学 | Online real-time simulation method based on Siemens PLC advanced control algorithm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20171231 |