CN207488786U - A kind of industrial automatic controller - Google Patents
A kind of industrial automatic controller Download PDFInfo
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- CN207488786U CN207488786U CN201720955385.6U CN201720955385U CN207488786U CN 207488786 U CN207488786 U CN 207488786U CN 201720955385 U CN201720955385 U CN 201720955385U CN 207488786 U CN207488786 U CN 207488786U
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Abstract
The utility model discloses a kind of industrial automatic controllers, and using ARM chips as controller, Linux realizes PLC controls as system environments.The controller includes IEC2C resolvers and PLC compilers, wherein, the text configuration file (.ST suffix) for describing PLC control logics is resolved to C programmer by IEC2C resolvers, c program is compiled as based on the PLC executable programs on linux system by PLC compilers again, PLC executable programs are run so as to realize PLC functions on ARM chips, and then control industrial equipment.61,131 3 standards of IEC have been integrated on ARM chips by the controller, support 3 described 5 kinds of programming languages of IEC61131, PLC functions can be realized in system (Runtime System) when being no longer dependent on currently running, break the barrier of external monopolization so that PLC is easy to use and cost-effective.
Description
Technical field
This application involves industrial automation, more particularly to a kind of industrial automatic controller.
Background technology
In industrial automation, usually using programmable controller (PLC) control machinery or production process, PLC its
Internally stored program performs logical operation, sequential control, timing, counts and the user oriented instructions such as operation that count, and passes through
Number or the various types of machineries of analog pattern input/output control or production process.At present, the program stored in PLC is usually adopted
Compiled with Java language, and when being executed using runtime system (Runtime System) caller operation needed for
Software and hardware is realized and controls various types of industrial equipments.Since runtime system can not directly invoke the software and hardware needed for program,
But called by Java Virtual Machine mode, so comparatively laborious during industrial equipment in control, it is not easy to realize.Further
Ground loads in PLC and is also required to realize by dedicated interface using the program of Java language, it is not easy to load and update.
Utility model content
In view of this, the embodiment of the present application provides a kind of industrial automatic controller, which uses
It easily loads and updates control program therein, and is simpler when controlling industrial equipment and be easily achieved.
What the scheme of the utility model embodiment was realized in：
A kind of industrial automatic controller realizes programmable controller PLC function, ARM using ARM chips as controller
Mainly include in controller：System power supply, input isolation acquisition interface, output isolation drive interface, IEC2C resolvers and PLC
Compiler, wherein,
System power supply provides the power supply of ARM controller；
Input isolation acquisition interface includes analog quantity isolation acquisition and digital quantity isolation acquisition；
It exports isolation drive interface and includes analog quantity isolation drive and digital quantity isolation drive；
The text configuration file (.ST forms) for describing user's control logic is resolved to C programmer by IEC2C resolvers；
C programmer is compiled as the PLC executable programs based on (SuSE) Linux OS by PLC compilers；
PLC executable programs collect the status signal of industrial equipment by input isolation acquisition interface, are controlled according to PLC
Logic handles input state signal, by the operation for exporting isolation drive Interface Controller industrial equipment.
From said program as can be seen that the processor in the industrial automatic controller that the utility model embodiment provides is adopted
With ARM chips, include IEC2C resolvers and PLC compilers in ARM chips, wherein, IEC2C resolvers will describe user's control
The text configuration file of logic processed resolves to C programmer, then be compiled as by PLC compilers can based on the PLC on linux system
Program is performed, control logic is performed by creating multithreading on linux system on ARM chips, so as to control industrial equipment.This
Utility model directly realizes PLC functions in hardware platform, performs user logic, is no longer dependent on existing PLC runtime systems.
Since the utility model is to realize control logic using the linux system in ARM chips, linux system be increase income and ARM cores
Piece is software control, is to realize control logic using Java language and runtime system like that rather than background technology, so holding
It easily loads and updates control program therein, and is simpler when controlling industrial equipment and be easily achieved.
Description of the drawings
Fig. 1 is industrial automatic controller structure diagram provided by the utility model；
Fig. 2 is the composition schematic diagram of industrial automatic controller provided by the utility model；
Fig. 3 is industrial automatic controller example construction schematic diagram provided by the utility model；
Fig. 4 is structure diagram of the controller described in the utility model by ModBus/TCP bus networkings；
Fig. 5 is the closed loop motor servo-control system structure diagram established based on controller provided by the utility model.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, develop simultaneously implementation referring to the drawings
Example, is described in further detail the utility model.
Processor in the industrial automatic controller that the utility model embodiment provides is using ARM chips, in ARM chips
Include IEC2C resolvers and PLC compilers, wherein, the text configuration file that IEC2C resolvers will describe user's control logic
C programmer is resolved to, then is compiled as based on the PLC executable programs on linux system, on ARM chips by PLC compilers
Control logic is performed by creating multithreading on linux system, so as to control industrial equipment.
As can be seen that the utility model directly realizes PLC functions in hardware platform, user logic is performed, is no longer dependent on
Existing PLC runtime systems.Since the utility model is to realize control logic using the linux system in ARM chips,
Linux system be increase income and ARM chips be software control, rather than background technology like that be using Java language and operation when
System realizes control logic, so easily load and update control program therein, and when controlling industrial equipment more simply and
It is easily achieved.
Fig. 1 is industrial automatic controller structure diagram provided by the utility model, using ARM chips as controller
It realizes programmable controller PLC function, mainly includes in ARM controller：System power supply, input isolation acquisition interface, output every
From driving interface, IEC2C resolvers and PLC compilers, wherein,
System power supply provides the power supply of ARM controller；
Input isolation acquisition interface includes analog quantity isolation acquisition and digital quantity isolation acquisition；
It exports isolation drive interface and includes analog quantity isolation drive and digital quantity isolation drive；
The text configuration file (.ST forms) for describing user's control logic is resolved to C programmer by IEC2C resolvers；
C programmer is compiled as the PLC executable programs based on (SuSE) Linux OS by PLC compilers；
PLC executable programs collect the status signal of industrial equipment by input isolation acquisition interface, are controlled according to PLC
Logic handles input state signal, by the operation for exporting isolation drive Interface Controller industrial equipment.
In the utility model embodiment, further include：Computer with PLC Integrated Development Environment passes through the calculating
PLC Integrated Development Environment editor's PLC control programs on machine support IEC-61131-3 standards, support instruction catalogue, structuring text
Sheet, Function Block Diagram, ladder diagram and sequential function chart programming language, corresponding ST configuration files are generated according to user logic.
In the utility model, as shown in Fig. 2, Fig. 2 is the composition of industrial automatic controller provided by the utility model
Schematic diagram, as shown in the figure：Mainly it is made of hardware component and component software, component software carrying is realized on a hardware component,
In, hardware component includes power-supply system, ARM control panels, digital module, analog module and the module for controlling industrial equipment
Deng, the module such as motor drive module, code-disc speed measuring module of industrial equipment or/and pulse width modulation (PWM) module are controlled,
Software configuration includes (SuSE) Linux OS, IEC2C resolvers, PLC compilers, transmission control protocol/internet protocol (TCP/IP)
Module or/and industrial Fieldbus protocols (ModBus/TCP) module etc..
In the utility model, after the controller receives ST files, under the (SuSE) Linux OS on ARM chips
The user logic in ST files is resolved to C programmer using IEC2C resolvers to perform, and with reference to ARM bottom layer drivings pass through
PLC compilers compiling generation PLC executable files.The PLC executable files are run on ARM chips, periodically acquire work
The status signal of industry equipment, the status signal of industrial equipment include digital quantity or/and analog quantity, run user logic, and will knot
Fruit exports, and exports the execution signal for digital quantity or analog quantity, realizes the control to external industrial equipment.
Fig. 3 is industrial automatic controller example construction schematic diagram provided by the utility model, as shown in the figure, the input
Acquisition interface is isolated and includes light-coupled isolation input interface or/and analog quantity isolation input interface, wherein, light-coupled isolation input interface
Acquire the status signal of digital quantity；Analog quantity isolation input interface acquires the status signal of analog quantity.The output isolation drive
Interface includes relay isolation output interface and analog quantity isolation output interface, wherein, relay isolation output interface output number
Word amount controls signal, analog quantity isolation output output Analog control signal.
Controller provided by the utility model has ModBus/TCP interfaces, supports ModBus/TCP communication protocols, passes through
ModBus/TCP interfaces can connect external expansion module, to extend exterior I O, can the input of 128 railway digital amount of maximum support,
The output of 128 railway digital amounts, 64 road analog inputs and 64 road analog outputs.
Configuration system or man-machine interface (HMI) can be real by the controller of ModBus/TCP bus marco the utility model
Human-computer interaction is now visualized, as shown in figure 4, Fig. 4 passes through ModBus/TCP bus networkings for controller described in the utility model
Structure diagram.
Controller described in the utility model have control industrial equipment module, control the module of industrial equipment include but
Motor drive module, code-disc speed measuring module and PWM module are not limited to, and ARM chips in the controller can also be set
Ratio, integration and differential (PID) module can set up the closed loop motor SERVO CONTROL based on controller described in the utility model
System, as shown in figure 5, Fig. 5 is the closed loop motor servo-control system structure established based on controller provided by the utility model
Schematic diagram.
As can be seen that it can independently be opened using ARM chips using industrial automatic controller provided by the utility model
The controller of hair control industrial equipment, is Soft- PLC since the utility model employs ARM chips, simple and flexible is easily scalable
And configuration.Since the controller of the utility model employs ARM chips, ARM chips are based on (SuSE) Linux OS and realize multithreading
Operation, can support more user tasks.The controller of the utility model has ModBus/TCP interfaces, so as to develop
Network communication, it is convenient to be embedded into plurality of application scenes.
It is above to lift preferred embodiment, the purpose of this utility model, technical solution and advantage have been carried out further specifically
It is bright, it should be understood that the above is only the preferred embodiment of the utility model only, it is not new to limit this practicality
Type, within the spirit and principle of the utility model, all any modification, equivalent and improvement made etc. should be included in
Within the scope of protection of the utility model.
Claims (5)
1. a kind of industrial automatic controller, which is characterized in that programmable controller is realized as controller using ARM chips
PLC functions mainly include in ARM controller：System power supply, input isolation acquisition interface, output isolation drive interface, IEC2C
Resolver and PLC compilers, wherein,
System power supply provides the power supply of ARM controller；
Input isolation acquisition interface includes analog quantity isolation acquisition and digital quantity isolation acquisition；
It exports isolation drive interface and includes analog quantity isolation drive and digital quantity isolation drive；
The text configuration file for the .ST forms for describing user's control logic is resolved to C programmer by IEC2C resolvers；
C programmer is compiled as the PLC executable programs based on (SuSE) Linux OS by PLC compilers；
PLC executable programs collect the status signal of industrial equipment by input isolation acquisition interface, according to PLC control logics
Input state signal is handled, by the operation for exporting isolation drive Interface Controller industrial equipment.
2. controller as described in claim 1, which is characterized in that further include：Computer with PLC Integrated Development Environment,
By PLC Integrated Development Environment editor's PLC control programs on the computer, IEC-61131-3 standards are supported, support instruction
Table, structured text, Function Block Diagram, ladder diagram and sequential function chart programming language, corresponding ST is generated according to user logic
Configuration file.
3. controller as described in claim 1, which is characterized in that the industrial automatic controller is by hardware component and software
Component forms, and component software carrying is realized on a hardware component, wherein,
Hardware component includes power-supply system, ARM control panels, digital module, analog module and the module for controlling industrial equipment,
The module of the control industrial equipment includes motor drive module, code-disc speed measuring module and pulse width modulation (PWM) module；
Component software includes (SuSE) Linux OS, IEC2C compilers, PLC compilers, ICP/IP protocol and industrial field bus
Agreement ModBus agreements.
4. controller as described in claim 1, which is characterized in that the industrial automatic controller supports ModBus/TCP to lead to
Believe agreement.
5. controller as claimed in claim 4, which is characterized in that the industrial automatic controller is connect by ModBus/TCP
Mouth extension external input output interface IO, at most expansible 128 railway digital amounts input, the output of 128 railway digital amounts, 64 tunnel analog quantitys
Input and 64 road analog outputs；
External configuration system or configuration software and Human machine interface equipment pass through control described in ModBus/TCP bus marcos
Device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720955385.6U CN207488786U (en) | 2017-08-02 | 2017-08-02 | A kind of industrial automatic controller |
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| CN201720955385.6U CN207488786U (en) | 2017-08-02 | 2017-08-02 | A kind of industrial automatic controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850802A (en) * | 2019-11-30 | 2020-02-28 | 信联科技(南京)有限公司 | Safe intelligent programmable logic controller supporting cloud data interconnection |
| CN112578706A (en) * | 2020-12-07 | 2021-03-30 | 浙江中控技术股份有限公司 | Industrial control signal isolation transmitting and wireless transmission system and method |
| CN113311764A (en) * | 2021-05-31 | 2021-08-27 | 东莞市木鸟自动化有限公司 | Programmable controller based on single chip microcomputer as bottom carrier |
-
2017
- 2017-08-02 CN CN201720955385.6U patent/CN207488786U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850802A (en) * | 2019-11-30 | 2020-02-28 | 信联科技(南京)有限公司 | Safe intelligent programmable logic controller supporting cloud data interconnection |
| CN112578706A (en) * | 2020-12-07 | 2021-03-30 | 浙江中控技术股份有限公司 | Industrial control signal isolation transmitting and wireless transmission system and method |
| CN112578706B (en) * | 2020-12-07 | 2022-05-10 | 浙江中控技术股份有限公司 | Industrial control signal isolation transmitting and wireless transmission system and method |
| CN113311764A (en) * | 2021-05-31 | 2021-08-27 | 东莞市木鸟自动化有限公司 | Programmable controller based on single chip microcomputer as bottom carrier |
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