CN104898620B - A kind of redundancy control system and control method based on Ethernet - Google Patents
A kind of redundancy control system and control method based on Ethernet Download PDFInfo
- Publication number
- CN104898620B CN104898620B CN201510256941.6A CN201510256941A CN104898620B CN 104898620 B CN104898620 B CN 104898620B CN 201510256941 A CN201510256941 A CN 201510256941A CN 104898620 B CN104898620 B CN 104898620B
- Authority
- CN
- China
- Prior art keywords
- redundancy
- cpu
- plc
- industrial computer
- redundancy cpu
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of redundancy control system and control method based on Ethernet, including Upper system, control system and execution system；Upper system includes two industrial computers, configuration software is housed on every industrial computer, two industrial computers form LAN by standard network interface card, control system includes two sets of PLC systems, PLC system includes power supply module, redundancy CPU and the ethernet communication module for redundancy CPU communications, is connected between the redundancy CPU in two sets PLC systems using optical fiber, and every industrial computer passes through interchanger two sets of PLC systems of connection, industrial computer is included by interchanger with ethernet communication module communication, execution system：Some I/O modules and some execution units, often set PLC system is connected with some I/O modules respectively by Profibus DP buses, some I/O modules are connected with some execution units respectively, this redundancy control system and control method pass through double industrial computer on line real-time monitorings, two sets of PLC system concurrent workings, greatly improve the security, reliability, stability of system operation.
Description
Technical field：
The invention belongs to industrial automatic control and on-the-spot control technology field, and in particular to a kind of based on the superfluous of Ethernet
Remaining control system and control method.
Background technology：
Some Process Control Systems, such as chemistry, oil, papermaking, metallurgy, some systems of nuclear power station industrial department,
Control device is asked to have high reliability, especially some complicated large-scale production systems, such as automobile assembling production line, as long as being
A place is gone wrong in system, will result in whole system stopping production, only by improving the reliable of control system hardware and software
Property meets that requirement of the above-mentioned industrial department to reliability is impossible, because programmable controller (Programmable
Logic Controller, abbreviation PLC) raising of the reliability of itself has certain limit, and the raising of reliability can make
Cost sharply increases.
Using general control technology, PLC system uses single CPU, and all control programs are stored in wherein.Once system occurs
Failure or program execution error, whole equipment occurs malfunction or stopped at once, causes consequence very serious.
Using single host computer system, once virus or failure, system can not also operate operation in computer.
Using triangular web, once going wrong, whole system stopping production, consequence caused by for enterprise will result in
Loss is quite serious, and security, the reliability of automaticity are the new technologies that all devices producer is all pursued.
The content of the invention：
A kind of the shortcomings that it is an object of the invention to overcome above-mentioned prior art, there is provided Redundant Control system based on Ethernet
System and control method, solve a series of problems caused by triangular web failure, and security, the reliability of automated system are high.
To achieve these goals, the present invention adopts the following technical scheme that：A kind of redundancy control system based on Ethernet,
Including Upper system, control system and execution system；
Upper system includes two industrial computers, configuration software is housed on every industrial computer, two industrial computers pass through standard network
Card composition LAN, upgrades in time, exchanges in time by realizing data between two industrial computers of LAN；One industrial computer occurs
Failure, do not interfere with other one and work on；
Control system includes two sets of PLC systems for being respectively arranged with software, and PLC system includes power supply module, redundancy CPU and is used for
The ethernet communication module of redundancy CPU communications, using optical fiber connection between the redundancy CPU in two sets PLC systems, realize that data are total to
Enjoy, when one piece of redundancy CPU breaks down, the redundant processing unit in fault redundance CPU automatically switches to other one piece of redundancy
CPU, in addition one piece of redundancy CPU start-up operation, every industrial computer pass through friendship by interchanger two sets of PLC systems of connection, industrial computer
Change planes with ethernet communication module communication, two sets of PLC systems are conducted interviews respectively, realize data sharing, exchange, it is any a set of
PLC system or industrial computer break down, and do not influence other set system and work on；
Execution system includes：Some I/O modules and some execution units, often cover PLC system and pass through Profibus-DP buses
It is connected respectively with some I/O modules, some I/O modules are connected with some execution units respectively.
Redundancy CPU in above-mentioned two sets of PLC systems one of is main redundancy CPU, and another piece is standby redundancy CPU, just
Under normal situation, standby redundancy CPU output is forbidden, when main redundancy cpu fault, puts into standby redundancy CPU at once.
In above-mentioned two industrial computers, one is engineer station, and another is operator station, and engineer station not only can be thereon
Operation, moreover it is possible to edit-modify picture；Operator station only allows to operate on it.
The CP1613 industry special network adapters of Siemens Company, the exchange are installed in the PCI slot in above-mentioned industrial computer
Machine is industrial switch, and the PLC system uses the 414H redundant systems of Siemens Company, and the ethernet communication module is west
The CP443-1IE ethernet communication modules of door subsidiary.
Above-mentioned execution unit includes：Water circulating pump, Aeration fan, magnetic valve, pneumatic operated valve, motor-driven valve, liquid level sensor, stream
Quantity sensor and pressure sensor.
Software in above-mentioned PLC system uses STEP7-V5.5 of the Siemens Company for S7-400 series of PLC system developments
Software.
The configuration software of above-mentioned industrial computer uses the WINCC7.0 of Siemens Company.
A kind of control method of the redundancy control system based on Ethernet, including：
(1) industrial computer downloads to control program in the redundancy CPU in every set PLC system；
(2) during system worked well, two sets of PLC system concurrent workings, two pieces of redundancy CPU run identical control program,
The execution unit being attached thereto is started by I/O modules, two pieces of redundancy CPU one of are main redundancy CPU, and another piece is standby
Redundancy CPU, under normal condition, standby redundancy CPU output is forbidden, main redundancy system control cpu work, standby redundancy
CPU input I/O mouths and input image register two industrial computer on line real-time monitorings, are adopted by main redundancy CPU synchronous refresh
Collection, operation, two industrial computer concurrent workings, data synchronization updating, any parameter, a data are modified, one in addition
Changed accordingly；
(3) it is automatic by the redundant processing unit in redundancy CPU when a set of PLC system failure during system jam
It is switched in the redundancy CPU in another set of PLC system, when main redundancy cpu fault fails, redundant processing unit is connected to main redundancy
After CPU fault message, control function is switched to standby redundancy CPU within 1~3 scan period, standby redundancy CPU's is defeated
Go out to open, standby redundancy system control cpu work, main redundancy CPU output is prohibited, will not when an industrial computer failure
The other industrial computer influenceed in LAN works on；
(4) after control system fault recovery, redundancy that the main redundancy CPU of fault recovery is sent signals in standby redundancy CPU
Processing unit, will control within 1~3 scan period after redundant processing unit receives the signal that main redundancy cpu fault recovers
Into main redundancy CPU, main redundancy system control cpu work, standby redundancy CPU output is prohibited function switch.
Above-mentioned 1~3 scan period is 5~15ms.
Relative to prior art, the present invention has advantages below：
1st, the redundancy control system being mainly made up of two sets of PLC systems and two industrial computers, adopt between two pieces of redundancy CPU
Connected with optical fiber, realize data sharing, when one piece of redundancy cpu fault, can automatically switched to separately by redundant processing unit
Outer one piece of redundancy CPU work, two industrial computers form LAN by standard network interface card, and two industrial computers pass through friendship using Ethernet
Change planes and two sets of PLC systems are conducted interviews respectively with ethernet communication module, realize data sharing, exchange, any a set of PLC systems
System or any industrial computer break down, and do not interfere with other one and work on, this redundancy control system solves
A series of problems caused by triangular web disorderly closedown, security, the reliability of automated system are high, while realize scene and hold
The remote real-time monitoring of row mechanism.
2nd, two sets of PLC system concurrent workings, two pieces of redundancy CPU run identical control program, are started by I/O modules and held
Row unit, two pieces of redundancy CPU one of are main redundancy CPU, and another piece is standby redundancy CPU, under normal circumstances, standby redundancy
CPU output is forbidden, main redundancy system control cpu work, and standby redundancy CPU input I/O mouths and input image are posted
Storage is synchronously refreshed by main redundancy CPU, two industrial computer on line real-time monitorings, collection, operations, two parallel works of industrial computer
Make, data synchronization updating, any parameter, a data are modified, also changed accordingly for one in addition, at redundancy
Reason unit carries out being switched fast between main redundancy CPU and standby redundancy CPU, using this redundancy control method, breaks down
Program switchover operation is rapid, does not interfere with whole system operation, can largely avoided equipment hang-up failure, meanwhile, behaviour
Make safe and reliable property to greatly enhance, huge income is brought for enterprise.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1st, industrial computer；2nd, PLC system；3rd, I/O modules；4th, execution unit；5th, Profibus-DP buses；6th, exchange
Machine.
Embodiment
The present invention will be further described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of redundancy control system based on Ethernet, including Upper system, control system and perform system
System；
Upper system includes two industrial computers 1, configuration software is housed on every industrial computer 1, two industrial computers 1 pass through standard
Network interface card forms LAN, upgrades in time, exchanges in time by realizing data between two industrial computers 1 of LAN；One industrial computer 1
Break down, do not interfere with other one and work on；
Control system includes two sets of PLC systems 2 for being respectively arranged with software, and PLC system 2 includes power supply module, redundancy CPU and use
Connected between redundancy CPU in the ethernet communication module of redundancy CPU communications, two sets of PLC systems 2 using optical fiber, realize number
According to shared, when one piece of redundancy CPU breaks down, the redundant processing unit in fault redundance CPU automatically switch to other one piece it is superfluous
Remaining CPU, in addition one piece of redundancy CPU start-up operation, every industrial computer 1 pass through interchanger 6 and connect two sets of PLC systems 2, industrial computer 1
By interchanger 6 with ethernet communication module communication, two sets of PLC systems 2 are conducted interviews respectively, data sharing is realized, exchanges,
Any a set of PLC system 2 or industrial computer 1 break down, and do not influence other set system and work on；
Execution system includes：Some I/O modules 3 and some execution units 4, often cover PLC system 2 and pass through Profibus-DP
Bus 5 is connected with some I/O modules 3 respectively, and some I/O modules 3 are connected with some execution units 4 respectively.
Redundancy CPU in above-mentioned two sets of PLC systems 2 one of is main redundancy CPU, and another piece is standby redundancy CPU, just
Under normal situation, standby redundancy CPU output is forbidden, when main redundancy cpu fault, puts into standby redundancy CPU at once.
In above-mentioned two industrial computers 1, one is engineer station, and another is operator station, and engineer station not only can be at it
Upper operation, moreover it is possible to edit-modify picture；Operator station only allows to operate on it.
The CP1613 industry special network adapters of Siemens Company, the exchange are installed in the PCI slot in above-mentioned industrial computer 1
Machine is industrial switch, and the PLC system 2 uses the 414H redundant systems of Siemens Company, and the ethernet communication module is
The CP443-1IE ethernet communication modules of Siemens Company.
Above-mentioned execution unit 4 includes：Water circulating pump, Aeration fan, magnetic valve, pneumatic operated valve, motor-driven valve, liquid level sensor,
Flow sensor and pressure sensor.
Software in above-mentioned PLC system 2 uses the STEP7- that Siemens Company develops for S7-400 series of PLC system 2
V5.5 softwares.
The configuration software of above-mentioned industrial computer 1 uses the WINCC7.0 of Siemens Company.
A kind of control method of the redundancy control system based on Ethernet, including：
(1) industrial computer 1 downloads to control program in the redundancy CPU in every set PLC system 2；
(2) during system worked well, two sets of concurrent workings of PLC system 2, two pieces of redundancy CPU run identical control program,
The execution unit 4 being attached thereto is started by I/O modules 3, two pieces of redundancy CPU one of are main redundancy CPU, and another piece is standby
With redundancy CPU, under normal condition, standby redundancy CPU output is forbidden, main redundancy system control cpu work, standby superfluous
Remaining CPU input I/O mouths and input image register by main redundancy CPU synchronous refresh, two on line real-time monitorings of industrial computer 1,
Collection, operation, two concurrent workings of industrial computer 1, data synchronization updating, any parameter, a data are modified, one in addition
Also changed accordingly；
(3) during system jam, when a set of 2 failure of PLC system, by the redundant processing unit in redundancy CPU certainly
Dynamic to be switched in the redundancy CPU in another set of PLC system 2, when main redundancy cpu fault fails, redundant processing unit is connected to master
After redundancy CPU fault message, control function is switched to standby redundancy CPU, standby redundancy CPU within 1~3 scan period
Output open, standby redundancy system control cpu work, main redundancy CPU output is prohibited, when 1 failure of industrial computer,
The other industrial computer 1 not interfered with LAN works on；
(4) after control system fault recovery, redundancy that the main redundancy CPU of fault recovery is sent signals in standby redundancy CPU
Processing unit, will control within 1~3 scan period after redundant processing unit receives the signal that main redundancy cpu fault recovers
Into main redundancy CPU, main redundancy system control cpu work, standby redundancy CPU output is prohibited function switch.
Above-mentioned 1~3 scan period is 5~15ms.
Whole redundancy control system is control core with PLC system 2, and industrial computer (abbreviation industrial computer) is as upper
Machine, whole system is monitored, operated.
Using industrial computer 1 of the DELL work stations as Upper system, the legal complete versions of Windows XP are installed, using west gate
Subsidiary WINCC independent development HMI, industrial computer 1 are installed CP1613 network interface cards and are connected using ethernet communication mode with PLC system 2；
It is connected between two industrial computers 1 using common net card by LAN, realizes data interaction.
WINCC (i.e. WINDOWS CONTROL CENTER forms control centre), WINCC are that Siemens Company is automating
Using state-of-the-art technology and Microsoft in the industrial control software for occuping rank first of joint development, WINCC is in field
The monitoring system of the powerful all-round opening of One function, it can both be used for completing small-scale simple process monitoring application,
The application of complexity can be used for completing, WINCC can generate beautiful and easily man-machine dialogue interface under any circumstance, make
Operator can clearly manage and optimize production process.
Configuration software is equipped with two industrial computers 1, configuration software refers to the special-purpose software of data acquisition and process control,
Monitoring system is configuration picture (HMI), and the configuration picture of industrial computer 1 includes conventional monitoring function：As control interface, figure show
Show, realtime curve, warning message, equipment state, pond liquid level, parameter setting etc.；Also include the maintaining meter of equipment
Preventive maintenance prompting and maintaining record, the technological process of production setting and management, various Production databases with equipment are drawn,
To realize various Product Data Managements, data check, form and print output function.
Two concurrent workings of industrial computer 1, data synchronization updating, any parameter, a data are modified, one in addition
Changed accordingly；If there is a computer glitch in operation, do not interfere with other one and work on.
Edit configuration picture in advance in configuration software WINCC7.0, database, data are then established in industrial computer
Storehouse uses the private database dedicated for the CPU connections of 400H redundancies, all variables in configuration picture is defined, in PLC system 2
After establishing network connection in hardware configuration, all variables in configuration picture are downloaded into the redundancy CPU in PLC system 2.
" download " function is used to download to the hardware of industrial computer 1 and network configuration in the editing machine that industrial computer 1 configures, with
The application program of industrial computer 1 and network interface card enter normal working condition afterwards, and WINCC7.0 and PLC system 2 can be with normal communications.
By using the redundancy control system based on Ethernet, safe operation, reliability greatly enhance.
Using the redundancy control method based on Ethernet, during failure, program switchover operation is rapid, does not interfere with whole
The operation of system, equipment hang-up failure can be largely avoided, huge income is brought for enterprise.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The embodiment of the present invention is only limitted to this, for general technical staff of the technical field of the invention, is not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention by institute
Claims of submission determine scope of patent protection.
Claims (6)
- A kind of 1. control method of redundancy control system of basis based on Ethernet, it is characterised in that including：(1) industrial computer downloads to control program in the redundancy CPU in every set PLC system；Redundancy control system includes upper system System, control system and execution system；Upper system includes two industrial computers, and configuration software, two works are housed on every industrial computer Control machine forms LAN by standard network interface card, upgrades in time, exchanges in time by realizing data between two industrial computers of LAN； One industrial computer breaks down, and does not interfere with other one and works on；Control system includes two sets of PLC systems for being respectively arranged with software System, PLC system includes power supply module, redundancy CPU and the ethernet communication module for redundancy CPU communications, in two sets of PLC systems Redundancy CPU between connected using optical fiber, data sharing is realized, when one piece of redundancy CPU breaks down, in fault redundance CPU Redundant processing unit automatically switches to other one piece of redundancy CPU, and one piece of redundancy CPU starts working in addition, and every industrial computer passes through Interchanger connect two sets of PLC systems, industrial computer by interchanger with ethernet communication module communication, respectively to two sets of PLC systems Conduct interviews, realize data sharing, exchange, any a set of PLC system or industrial computer break down, and do not influence other set system Work on；Execution system includes：Some I/O modules and some execution units, it is total by Profibus-DP often to cover PLC system Line is connected with some I/O modules respectively, and some I/O modules are connected with some execution units respectively；In two sets of PLC systems It is main redundancy CPU that redundancy CPU is one of, and another piece is standby redundancy CPU, and under normal condition, standby redundancy CPU output is It is forbidden, when main redundancy cpu fault, standby redundancy CPU is put at once；In two industrial computers, one is engineer Stand, another is operator station, and engineer station can not only operate thereon, moreover it is possible to edit-modify picture；Operator station only allows Operate on it；(2) during system worked well, two sets of PLC system concurrent workings, two pieces of redundancy CPU run identical control program, pass through I/O modules start the execution unit being attached thereto, and two pieces of redundancy CPU one of are main redundancy CPU, and another piece is standby redundancy CPU, under normal condition, standby redundancy CPU output is forbidden, main redundancy system control cpu work, standby redundancy CPU Input I/O mouths and input image register by main redundancy CPU synchronous refresh, two industrial computer on line real-time monitorings, collection, behaviour Make, two industrial computer concurrent workings, data synchronization updating, any parameter, a data are modified, and one also carries out phase in addition The modification answered；(3) during system jam, when a set of PLC system failure, automatically switched by the redundant processing unit in redundancy CPU Into the redundancy CPU in another set of PLC system, when main redundancy cpu fault fails, redundant processing unit is connected to main redundancy CPU Fault message after, control function is switched to standby redundancy CPU within 1-3 scan period, standby redundancy CPU output is opened Open, standby redundancy system control cpu work, main redundancy CPU output is prohibited, when an industrial computer failure, do not interfered with An other industrial computer in LAN works on；(4) after control system fault recovery, the redundancy that the main redundancy CPU of fault recovery is sent signals in standby redundancy CPU is handled Unit, after redundant processing unit receives the signal that main redundancy cpu fault recovers, by control function within 1-3 scan period It is switched in main redundancy CPU, main redundancy system control cpu work, standby redundancy CPU output is prohibited.
- A kind of 2. control method of redundancy control system based on Ethernet according to claim 1, it is characterised in that institute It is 5-15ms to state 1-3 scan period.
- A kind of 3. control method of redundancy control system based on Ethernet according to claim 1, it is characterised in that institute The CP1613 industry special network adapters that Siemens Company is provided with the PCI slot in industrial computer are stated, the interchanger is handed over for industry Change planes, the PLC system uses the 414H redundant systems of Siemens Company, and the ethernet communication module is Siemens Company CP443-1IE ethernet communication modules.
- A kind of 4. control method of redundancy control system based on Ethernet according to claim 1, it is characterised in that institute Stating execution unit includes：Water circulating pump, Aeration fan, magnetic valve, pneumatic operated valve, motor-driven valve, liquid level sensor, flow sensor and Pressure sensor.
- A kind of 5. control method of redundancy control system based on Ethernet according to claim 1, it is characterised in that institute State the STEP7-V5.5 softwares that the software in system uses Siemens Company as S7-400 series of PLC system developments.
- A kind of 6. control method of redundancy control system based on Ethernet according to claim 1, it is characterised in that institute The configuration software for stating industrial computer uses the WINCC7.0 of Siemens Company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256941.6A CN104898620B (en) | 2015-05-19 | 2015-05-19 | A kind of redundancy control system and control method based on Ethernet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256941.6A CN104898620B (en) | 2015-05-19 | 2015-05-19 | A kind of redundancy control system and control method based on Ethernet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104898620A CN104898620A (en) | 2015-09-09 |
| CN104898620B true CN104898620B (en) | 2017-12-08 |
Family
ID=54031333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510256941.6A Active CN104898620B (en) | 2015-05-19 | 2015-05-19 | A kind of redundancy control system and control method based on Ethernet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104898620B (en) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159034B (en) * | 2015-09-21 | 2017-08-25 | 中国科学院长春光学精密机械与物理研究所 | Photoetching projection objective lens fault tolerant control |
| CN105259863B (en) * | 2015-10-30 | 2017-11-03 | 北京航天自动控制研究所 | A kind of PLC warm spares redundancy approach and system |
| CN105334729A (en) * | 2015-11-27 | 2016-02-17 | 王先宏 | Method for redundancy switch of two independent PLC systems in railway locomotive depot signal control |
| CN105700344A (en) * | 2016-03-14 | 2016-06-22 | 上海东铸智能科技有限公司 | Sewing assembly line redundancy control system |
| CN106531270B (en) * | 2016-12-20 | 2018-08-17 | 岭东核电有限公司 | The method and device of unit allocation under a kind of nuclear power plant DCS fault conditions |
| CN106950907A (en) * | 2016-12-27 | 2017-07-14 | 核工业北京化工冶金研究院 | A kind of leachate processing procedure resin transports redundancy automatic control system |
| CN107315339A (en) * | 2017-03-23 | 2017-11-03 | 杨斌 | A kind of equipment monitoring system based on hardware redundancy |
| CN107272398A (en) * | 2017-05-22 | 2017-10-20 | 南通中远船务工程有限公司 | Safety Automation System and control method for Floating Storage emptying platform |
| CN107682130A (en) * | 2017-08-22 | 2018-02-09 | 北京龙鼎源科技股份有限公司 | Communication system and communication means |
| CN107479484B (en) * | 2017-09-07 | 2023-08-15 | 江苏正帆半导体设备有限公司 | Gas holder control system and method |
| CN108833248A (en) * | 2018-06-13 | 2018-11-16 | 广州马其纳工程技术有限公司 | A kind of structure based on loop network control technology |
| CN109448880B (en) * | 2018-09-25 | 2021-02-23 | 北京广利核系统工程有限公司 | Undisturbed downloading method and system for nuclear safety level hot standby redundancy control station |
| CN109613885A (en) * | 2019-01-25 | 2019-04-12 | 北京华创精科生物技术有限公司 | Control method, equipment and the medium of programmable logic controller (PLC) |
| CN110161836A (en) * | 2019-04-18 | 2019-08-23 | 华电电力科学研究院有限公司 | A kind of soft redundancy control system of hydraulic butterfly valve and soft redundancy approach |
| CN110764603A (en) * | 2019-09-16 | 2020-02-07 | 深圳中电长城信息安全系统有限公司 | Monitoring unit control method, system, terminal equipment and storage medium |
| CN110687893B (en) * | 2019-10-18 | 2020-09-18 | 江苏核电有限公司 | Redundant radiation monitoring upper-layer system |
| CN111708296A (en) * | 2020-06-16 | 2020-09-25 | 山东省计算中心（国家超级计算济南中心） | Synchronous control and data voting method based on two-channel safety PLC |
| CN112415945A (en) * | 2020-11-27 | 2021-02-26 | 大唐陕西发电有限公司 | Control system and control method for automobile coal sampler |
| CN112859578A (en) * | 2021-01-13 | 2021-05-28 | 北京铁科时代科技有限公司 | Backup redundant industrial personal computer based on Ethernet bus scheme |
| CN113325688A (en) * | 2021-05-07 | 2021-08-31 | 哈尔滨宇龙自动化有限公司 | Cloud-based redundant PLC control method and control system |
| CN113495484A (en) * | 2021-06-21 | 2021-10-12 | 宝信软件(武汉)有限公司 | Multi-switching system for industrial water treatment circulation control |
| CN113534708A (en) * | 2021-07-12 | 2021-10-22 | 三一汽车制造有限公司 | Industrial personal computer hot backup method, device and system |
| CN113359409A (en) * | 2021-07-14 | 2021-09-07 | 江苏天芯微半导体设备有限公司 | Multi-cavity CVD equipment distributed control system and method thereof |
| CN113759769A (en) * | 2021-08-09 | 2021-12-07 | 中国核电工程有限公司 | Control system and method for nondestructive detector of high-level waste barrel |
| CN113867128B (en) * | 2021-10-26 | 2024-04-05 | 南京理工大学 | Intelligent redundant control system and method for numerical control equipment |
| CN114509981A (en) * | 2022-02-23 | 2022-05-17 | 北京蓝普锋科技有限公司 | Controller hardware redundancy control method and system |
| CN114721321B (en) * | 2022-03-01 | 2023-04-07 | 大连理工大学 | Equipment automatic management method and system based on intelligent industrial switch |
| CN115407640B (en) * | 2022-11-01 | 2023-04-25 | 山东博硕自动化技术有限公司 | Multi-control multi-machine automatic control system and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760882A (en) * | 2013-11-06 | 2014-04-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Complete redundancy testing apparatus control system of direct-current valve cooling unit |
| CN203877672U (en) * | 2014-05-13 | 2014-10-15 | 天地（常州）自动化股份有限公司 | Redundancy control device of underground explosion-proof elevator |
| CN104495281A (en) * | 2014-11-26 | 2015-04-08 | 北方重工集团有限公司 | Control network redundancy system for long-distance conveyors |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9166853B2 (en) * | 2013-01-10 | 2015-10-20 | Qualcomm Incorporated | Rate adaptation for data communication |
-
2015
- 2015-05-19 CN CN201510256941.6A patent/CN104898620B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760882A (en) * | 2013-11-06 | 2014-04-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Complete redundancy testing apparatus control system of direct-current valve cooling unit |
| CN203877672U (en) * | 2014-05-13 | 2014-10-15 | 天地（常州）自动化股份有限公司 | Redundancy control device of underground explosion-proof elevator |
| CN104495281A (en) * | 2014-11-26 | 2015-04-08 | 北方重工集团有限公司 | Control network redundancy system for long-distance conveyors |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104898620A (en) | 2015-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104898620B (en) | A kind of redundancy control system and control method based on Ethernet | |
| CN103869775B (en) | A kind of numerically-controlled machine intelligent management method | |
| CN205539996U (en) | Redundant control system of controller, IO communication bus and communication module | |
| EP1738233B1 (en) | Safety-oriented control system | |
| CN104698978A (en) | Numerical control system remote monitoring and debugging method based on virtualization technology | |
| CN100576365C (en) | A kind of control system of nuclear power generating sets and method for supervising thereof and subsystem | |
| CN201936169U (en) | Central redundancy control system for shielding door of rail transportation station | |
| CN102724092A (en) | Profibus-DP communication protocol redundancy master station | |
| CN103545917A (en) | Scheduling-automation sub-station simulation system | |
| CN104360916A (en) | Main and spare synchronization method based on data synchronization | |
| CN101634855A (en) | Redundancy backup control system of ground equipment for opening ceremony and closing ceremony of large-scale sports meeting | |
| CN207817514U (en) | The system of long-distance monitor and control PLC terminal devices | |
| CN110162006A (en) | The method for constructing PLC hardware fault diagnosis platform | |
| CN111539696A (en) | Two-ticket omnibearing electronic monitoring method and system | |
| CN104932429A (en) | Externally-mounted numerical control milling machine automatic control system | |
| CN101329569A (en) | Method for extracting information of numerical control system running status | |
| CN208334957U (en) | A kind of exhaust gas concentration control system | |
| CN209070359U (en) | The tertiary oil recovery injection allocation control device for having soft redundancy feature | |
| CN106707948A (en) | Shearer frequency-converted haulage unit computer monitoring system | |
| CN112085339A (en) | SOA (service oriented architecture) -based master and standby system real-time data checking device and method | |
| CN201421628Y (en) | Door access controller | |
| CN106597911A (en) | Parallel control system based on universal power SCADA system | |
| CN201857397U (en) | Under-tank fault diagnosis and treatment system of blast furnace | |
| US10367925B2 (en) | Method of communications in a network interconnecting at least two power generators, and corresponding interfacing device | |
| CN110138643B (en) | Bus network double-computer main station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Ethernet-based redundancy control system and control method Effective date of registration: 20181219 Granted publication date: 20171208 Pledgee: Xi'an Hi-tech Emerging Industry Investment Fund Partnership (L.P.) Pledgor: XI'AN CHENYU ENVIRONMENT ENGINEERING Co.,Ltd. Registration number: 2018610000233 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230920 Granted publication date: 20171208 Pledgee: Xi'an Hi-tech Emerging Industry Investment Fund Partnership (L.P.) Pledgor: XI'AN CHENYU ENVIRONMENT ENGINEERING Co.,Ltd. Registration number: 2018610000233 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |