CN205665570U - Singlechip emulation PLC control system - Google Patents
Singlechip emulation PLC control system Download PDFInfo
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- CN205665570U CN205665570U CN201620296103.1U CN201620296103U CN205665570U CN 205665570 U CN205665570 U CN 205665570U CN 201620296103 U CN201620296103 U CN 201620296103U CN 205665570 U CN205665570 U CN 205665570U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000004088 simulation Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a singlechip emulation PLC control system, including host computer, emulation ware and controlgear the host computer passes through interface module and connects the emulation ware, the emulation ware passes through interface module and utilizes transmission line and controlgear to be connected, does the emulation ware include singlechip, system program memory and 3 8 the decoder, the singlechip links to each other with the data bus amplifier, does the data bus amplifier pass through the wire and connects 3 8 the decoder, the system program memory passes through the connecting circuit and links to each other with the singlechip. PLC's operating data passes through data interface card input computer to the reflection is on the man -machine interface of virtual simulation software, and this system provides a virtual design environment, makes the learner can the various PLC control model of creatively design, and each module has certain independent function, and the program structure is clear, and the system function extension of being convenient for with perfect, improves traditional PLC system designing method greatly, and it provides theoretical data and way to impart knowledge to students for PLC system design and experiment.
Description
Technical field
This utility model relates to automatic control technology field, especially relates to a kind of one-chip machine simulation PLC control system.
Background technology
The PLC teaching of colleges and universities' Engineering Speciality is general still based on books teaching, although have have employed multimedia course
Part carrys out aided education, but student still feels content abstraction, is difficult to grasp.Especially in the application link intergrated with practice,
PLC teaching is the most difficult, is not reaching to the purpose allowing student study in order to practise at all.Although having had now business-like
PLC laboratory table can as practical teaching equipment, but this equipment there is also significant limitation.At present, PLC system sets
Meter process generally comprises offline design and the big step of on-line debugging two, and its system designed reliability, reasonability and economy etc. are asked
Topic finally leans against line dry run inspection, if design is correct not, certainly will increase equipment investment, extend construction cycle and consumption
Take human resources, in some instances it may even be possible to relate to security of system, for this situation, need to use a kind of letter of MCS-51 single-chip microcomputer design
Easy PLC simulator, makes it the optimization to PLC application system and produces positive role.
Utility model content
Problem to be solved in the utility model is to provide a kind of one-chip machine simulation PLC control system, makes it to apply PLC
The optimization of system produces positive role.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of one-chip machine simulation PLC controls system
System, including host computer, emulator and control equipment；Described host computer connects emulator by interface module, and described emulator leads to
Crossing interface module utilizes transmission line to be connected with control equipment；Described emulator includes that single-chip microcomputer, system program memory and 3-8 translate
Code device；Described single-chip microcomputer is connected with data bus amplifier, and described data bus amplifier connects 3-8 decoder by wire；
Described system program memory is connected with single-chip microcomputer by connecting circuit.
Further, described emulator is additionally provided with keyboard interface and display interface device, in order to input control command and display control
Control equipment each several part parameter.
Further, described 3-8 decoder is set to two groups, and often group can be set to multiple one group as required is that numeral input connects
Mouthful, another group is digital output interface；I/O interface is extended to obtain by two groups of 3-8 decoders.
Further, described I/O interface IP address is determined through 3-8 decoder for decoding by single-chip microcomputer output pin.
Further, described system program memory uses SRAM family chip DCM0016, and described DCM0016 can not only be used for
The program storage of single-chip microcomputer uses, again can be as user program memory.
Further, the interface module of described emulator uses MAX232, it is achieved with the RS232 serial communication of host computer.
This utility model has the advantage that and provides the benefit that: the service data of PLC is calculated by data interface card input
Machine, and be reflected in the man machine interface of virtual emulation software, the instruction that learner inputs on human-computer interaction interface can also be led to
Cross data interface card and pass to programmable logic controller (PLC), to control its method of operation.This system provides a virtual design
Environment, enables learner creatively to design various PLC Controlling model, and each module has certain standalone feature, and program is tied
Structure is clear, it is simple to expanding of system function and perfect, greatly improves tradition PLC system method for designing, design for PLC system and reality
Test teaching and provide gross data and approach.
Accompanying drawing explanation
The circuit connection structure frame of a kind of one-chip machine simulation PLC control system that Fig. 1 provides for this utility model embodiment
Figure；
Fig. 2 is former for the output unit parallel circuit of a kind of one-chip machine simulation PLC control system that this utility model embodiment provides
Reason figure；
In figure: 1, host computer, 2, emulator, 3, control equipment, 201, single-chip microcomputer, 202, system program memory, 203,
User program memory, 204,3-8 decoder, 205, data bus amplifier, 206, keyboard interface, 207, display interface device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described
Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
A kind of one-chip machine simulation PLC control system as shown in Figure 1, including host computer 1, emulator 2 and control equipment 3；On
Position machine 1 connects emulator 2 by interface module, and emulator 2 utilizes transmission line to be connected with control equipment 3 by interface module；Imitative
True device 2 includes single-chip microcomputer 201, system program memory 202 and 3-8 decoder 204；Single-chip microcomputer 201 and data bus amplifier
205 are connected, and data bus amplifier 205 connects 3-8 decoder 204 by wire；System program memory 202 is by connecting
Circuit is connected with single-chip microcomputer 201.
Emulator 2 is additionally provided with keyboard interface 206 and display interface device 207, sets in order to input control command and display control
Standby each several part parameter.3-8 decoder 204 is set to two groups, and often group can be set to multiple one group as required is digital input interface, separately
One group is digital output interface；I/O interface is extended to obtain by two groups of 3-8 decoders.
I/O interface IP address is determined through 3-8 decoder for decoding by single-chip microcomputer output pin.System program memory 202 uses
SRAM family chip DCM0016, DCM0016 can not only be used for the program storage of single-chip microcomputer and use, and can deposit as user program again
Reservoir 203.The interface module of emulator 2 uses MAX232, it is achieved with the RS232 serial communication of host computer 1.
Embodiment 1
As in figure 2 it is shown, a kind of one-chip machine simulation PLC control system, one-chip machine simulation module can be according to user's PLC system
Design requirement, places certain SR, and single-throw switch etc., in order to simulate input and the output of really PLC system, as shown in the figure
O1 is digital output port after SC431 light-coupled isolation is again by 9013 transistor power amplifiers, drives relay J RC6M, and relay
The contact of device controls LED light emitting diode, thus simulates the output contactor of true PLC system or electromagnetic valve OUT1 has inhaled
Close.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (6)
1. an one-chip machine simulation PLC control system, it is characterised in that: include host computer (1), emulator (2) and control equipment
(3)；Described host computer (1) connects emulator (2) by interface module, and described emulator (2) utilizes transmission by interface module
Line is connected with controlling equipment (3)；Described emulator (2) includes single-chip microcomputer (201), system program memory (202) and 3-8 decoding
Device (204)；Described single-chip microcomputer (201) is connected with data bus amplifier (205), and described data bus amplifier (205) passes through
Wire connects 3-8 decoder (204)；Described system program memory (202) is connected with single-chip microcomputer (201) by connecting circuit.
A kind of one-chip machine simulation PLC control system the most according to claim 1, it is characterised in that: described emulator (2) is also
It is provided with keyboard interface (206) and display interface device (207), in order to input control command and display control apparatus each several part parameter.
A kind of one-chip machine simulation PLC control system the most according to claim 1, it is characterised in that: described 3-8 decoder
(204) being set to two groups, often group can be set to multiple one group as required is digital input interface, and another group is digital output interface；
I/O interface is extended to obtain by two groups of 3-8 decoders (204).
A kind of one-chip machine simulation PLC control system the most according to claim 3, it is characterised in that: described I/O interface IP address
Determined through 3-8 decoder (204) decoding by single-chip microcomputer output pin.
A kind of one-chip machine simulation PLC control system the most according to claim 1, it is characterised in that: described system program is deposited
The program storage that reservoir (202) uses SRAM family chip DCM0016, described DCM0016 to can not only be used for single-chip microcomputer uses, again
Can be as user program memory (203).
A kind of one-chip machine simulation PLC control system the most according to claim 1, it is characterised in that: described emulator (2)
Interface module uses MAX232, it is achieved with the RS232 serial communication of host computer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296103.1U CN205665570U (en) | 2016-04-11 | 2016-04-11 | Singlechip emulation PLC control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296103.1U CN205665570U (en) | 2016-04-11 | 2016-04-11 | Singlechip emulation PLC control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205665570U true CN205665570U (en) | 2016-10-26 |
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ID=57163725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620296103.1U Expired - Fee Related CN205665570U (en) | 2016-04-11 | 2016-04-11 | Singlechip emulation PLC control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205665570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113580A (en) * | 2022-08-02 | 2022-09-27 | 北京良辰光启数字技术有限公司 | PLC-based shaft motion control method and system |
-
2016
- 2016-04-11 CN CN201620296103.1U patent/CN205665570U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113580A (en) * | 2022-08-02 | 2022-09-27 | 北京良辰光启数字技术有限公司 | PLC-based shaft motion control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161026 Termination date: 20170411 |