CN101592940A - A kind of automation control system that inserts robotization isomery controller and uses thereof - Google Patents
A kind of automation control system that inserts robotization isomery controller and uses thereof Download PDFInfo
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- CN101592940A CN101592940A CNA2008100974408A CN200810097440A CN101592940A CN 101592940 A CN101592940 A CN 101592940A CN A2008100974408 A CNA2008100974408 A CN A2008100974408A CN 200810097440 A CN200810097440 A CN 200810097440A CN 101592940 A CN101592940 A CN 101592940A
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- controller
- control system
- isomerization
- robotization
- isomery
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- 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 present invention relates to a kind of automation control system that inserts robotization isomery controller, it is characterized in that described control system comprises isomerization controller terminal and Central Control Room, described isomerization controller terminal is provided with the client driver based on the OPC agreement, between described isomerization controller terminal and described Central Control Room, be provided with communication channel, described isomerization controller terminal is provided with and is used for the interface that is connected with described communication channel, it is the Modbus agreement that described isomerization controller terminal and described Central Control Room carry out data communication, described Modbus agreement is the Modbus protocol extension, and is 16 device addresses in the described Modbus agreement.This system has solved the problem of device address lazy weight in the same Modbus communication network; Realize that the isomery controller that different vendor provides carries out data communication by same channel and Central Control Room.The invention still further relates to described automation control system and be used for the purposes of oil field automation.
Description
Technical field
The present invention relates to industrial control field, particularly a kind of automation control system that inserts robotization isomery controller and uses thereof.
Background technology
In the various industrial control fields, especially in oil field operation, the isomery controller that often needs the different controller of use manufacturer to provide inserts in the same control system, so that realize centralized and unified monitoring.
Following dual mode is mainly adopted in the use of isomery controller in automation control system at present:
First kind: relational database is integrated mode.The automation control system that the isomery controller that different vendor provides makes up establishes one's own system, and separate, the data of each automatic chemical control system system acquisition enter same relational database respectively.The automated system characteristics that this integration mode makes up are: 1, each subsystem structure is simpler, and the influence between subsystem is little; 2, because every cover subsystem is established one's own system, need the data transmission channel, policer operation platform, server system of each subsystem of duplicate construction etc., cause cost of investment big; 3, be not easy to realize the centralized and unified monitoring of automation control system, the monitor staff that every cover subsystem all needs, operating cost height; 4, automation size is big more, and the controller type of employing is many more, and management difficulty is big more.
Second kind: OPC agreement access way.Different vendor provides the client driver of a cover based on the OPC agreement when isomery controller is provided, server end driver based on the OPC agreement of system integrator's exploitation.All client drivers according to the OPC standard development can carry out data interaction with the server end driver, can realize that like this isomery controller that different vendor provides inserts in the same control system.The automated system characteristics that this OPC agreement access way makes up are: 1, the system integration is simpler; 2, the isomery controller and the Central Control Room communication that provide of different vendor need be set up separately independently data transmission channel, also needs extra certain cost of investment that produces.3, can realize the centralized and unified monitoring of automated system; 4, automation size is big more, and the controller type of employing is many more, and its client, server program are complicated more, and management difficulty is big more.
In addition, at present each controller terminal of oil field automation and Central Control Room carry out data communication and generally select the Modbus agreement for use.The Modbus agreement is a kind of automated communication agreement that extensively adopts, and can be linked to be industrial control network by this protocol controller terminal and Central Control Room, carries out remote data acquisition and monitoring.But the position, device address of the Modbus agreement that extensively adopts is 8 at present, and spendable device address scope is 1-247.If a certain controller terminal quantity during more than 247, need be set up two and above Modbus communication protocol network and solve data communication.Therefore, above-mentioned dual mode also exists same Modbus communication protocol network can not satisfy the controller terminal quantity more than 247 situation, and this situation is more outstanding in oilfield Automation System.
Summary of the invention
The technical problem to be solved in the present invention is intended to overcome the deficiency of above-mentioned prior art, and a kind of automation control system that inserts robotization isomery controller is provided, and this system has solved the problem of device address lazy weight in the same Modbus communication network.
The technical solution used in the present invention is:
A kind of automation control system that inserts robotization isomery controller, it is characterized in that described control system comprises isomerization controller terminal and Central Control Room, described isomerization controller terminal is provided with the client driver based on the OPC agreement, between described isomerization controller terminal and described Central Control Room, be provided with communication channel, described isomerization controller terminal is provided with and is used for the interface that is connected with described communication channel, it is the Modbus agreement that described isomerization controller terminal and described Central Control Room carry out data communication, described Modbus agreement is the Modbus protocol extension, and is 16 device addresses in the described Modbus agreement.
Compared with the prior art the automation control system of access robotization isomery controller of the present invention has following good effect: in the expansion of Modbus communication protocol, 8 device addresses are become 16 device addresses, the device address maximum magnitude can expand to 65535 by 255, can realize inserting 65535 controller terminals in theory, can satisfy the needs of industrial automation, especially oil field automation fully; Further, by adopting Modbus communication protocol expansion technique, the device address can expand to 65535 by 255, can realize inserting 65535 controller terminals in theory, has successfully solved the problem of device address lazy weight in the same Modbus communication network; Realize that the isomery controller that different vendor provides carries out data communication by same channel and Central Control Room; Can realize seamless access when using the isomery controller to insert, the centralized and unified monitoring of convenient realization automated system reduces management difficulty, saves the data transmission channel construction cost.
Another technical matters that the present invention will solve provides the purposes that this automation control system is used for oil field automation.
This system obtains good result through field experiment, promotes the use of in Xinjiang Oilfield Company anteclise oil field operation district at present.There are 366 mouthfuls of oil wells heath 21 wellblocks, anteclise oil field operation district, 366 of controller terminal quantities.Adopt 8,16 isomery controllers to use mode (wherein 8 device address controllers are 110,16 device address controller 256) with, use three unified technology and Modbus communication protocol expansion technique to realize the seamless accesses of two kinds of isomery controllers.This invention inserts for isomery controller in other oil field automations also has excellent popularization value.
Description of drawings
Fig. 1 represents the structural representation of a kind of embodiment of the automation control system that the present invention relates to.
Embodiment
Below will be described in detail the specific embodiment of the present invention.
The present invention relates to a kind of automation control system that inserts robotization isomery controller, it is characterized in that described control system comprises isomerization controller terminal and Central Control Room, described isomerization controller terminal is provided with the client driver based on the OPC agreement, between described isomerization controller terminal and described Central Control Room, be provided with communication channel, described isomerization controller terminal is provided with and is used for the interface that is connected with described communication channel, it is the Modbus agreement that described isomerization controller terminal and described Central Control Room carry out data communication, described Modbus agreement is the Modbus protocol extension, and is 16 device addresses in the described Modbus agreement.
When the situation that 8 device address controller terminals and 16 device controller terminals use with occurring, 8 device address controller terminals are used the Modbus communication protocols, and 16 device controller terminals use the Modbus communication protocols to expand.Because the data frame format and the rule of 8,16 device address controller terminal transmissions are identical, but Frame length difference, for making things convenient for the different Frame of driver identification length, in the expansion of Modbus communication protocol, increase address extension sign FF (16 system).When occurring FF address extension sign before the address field, Frame is defined as Modbus protocol extension form.
Modbus communication protocol and the expansion of Modbus communication protocol all have two kinds of frame formats of ASCII, RTU (long form defines with reference to Modbus communication protocol).In the expansion of Modbus communication protocol, under ascii mode, the device address is made of 4 characters; Under the RTU pattern, the device address is made of the 16Bits scale-of-two.The part message frame form of Modbus communication protocol expansion is as shown in table 1.
Table 1
| The address extension sign | The device address | Function code |
| FF | 16Bit (4 characters) | 8Bit |
Further, in the automation control system that the present invention relates to, preferred described isomerization control unit interface is unified interface (a controller data memory encoding); Further, preferred described OPC agreement is unified OPC agreement, to realize the identification to each isomery controller transmission data.In the uniform data transmission course data frame format of Modbus communication protocol and the rule the basis on, interface and OPC agreement have been unified again, each isomery controller equiment transmission data is transparent fully to the integrated side of Central Control Room after promptly having adopted three unification technology, can conveniently realize the same control system of the simple and easy access of isomery controller.
Further, in the automation control system that the present invention relates to, preferred described communication channel is the uniform communication channel, compares with two kinds of isomery controller access waies of main employing at present, and the channel construction cost reduces more than 50%.
As shown in Figure 1, two kinds of isomery controllers only adopt a main website radio station and a driver directly to insert the Central Control Room system.Adopt Modbus communication protocol expansion technique, solved the problem of the interior device address of same Modbus communication network figure place, realized seamless access the isomery controller to the controller terminal limitations.
Three unified technology are adopted in this invention, and Central Control Room adopts a main website radio station, driver to realize seamless access to the isomery controller.This technology has overcome present isomery controller two kinds of many shortcomings that use-pattern exists in automation control system, realizes the centralized and unified monitoring of automated system.
Simultaneously, various types of isomery controllers are competed on same technology platform after the employing three unified technology, can break the technical monopoly of a certain controller.Adopt three unified technology, the user can adopt market means to reduce the robotization investment.This invention also provides technical conditions for upgrading, the replacement of controller.
Claims (8)
1, a kind of automation control system that inserts robotization isomery controller, it is characterized in that described control system comprises a plurality of isomerization controller terminals and Central Control Room, described isomerization controller terminal is provided with the client driver based on the OPC agreement, between described isomerization controller terminal and described Central Control Room, be provided with communication channel, described isomerization controller terminal is provided with and is used for the interface that is connected with described communication channel, it is the Modbus agreement that described isomerization controller terminal and described Central Control Room carry out data communication, it is characterized in that described Modbus agreement is the Modbus protocol extension, and be 16 device addresses in the described Modbus agreement.
2, the automation control system of access robotization isomery controller according to claim 2 is characterized in that being provided with address extension sign FF in described Modbus protocol extension.
3, the automation control system of access robotization isomery controller according to claim 1 is characterized in that described Modbus protocol extension is provided with two kinds of frame formats of ASCII, RTU, and under described ascii mode, the device address is made of 4 characters; Under described RTU pattern, the device address is made of 16 scale-of-two.
4, according to the automation control system of the described access robotization of the arbitrary claim of claim 1-3 isomery controller, it is characterized in that described isomerization control unit interface is a unified interface.
5, the automation control system of access robotization isomery controller according to claim 4 is characterized in that described OPC agreement is unified OPC agreement.
6, the automation control system of access robotization isomery controller according to claim 5 is characterized in that described communication channel is the uniform communication channel.
7, the automation control system of access robotization isomery controller according to claim 6 is characterized in that described a plurality of isomerization controller terminal is different isomerization controller terminal.
8, the automation control system of access robotization isomery controller according to claim 5 is used for the purposes of oil field automation.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100974408A CN101592940A (en) | 2008-05-26 | 2008-05-26 | A kind of automation control system that inserts robotization isomery controller and uses thereof |
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| CNA2008100974408A CN101592940A (en) | 2008-05-26 | 2008-05-26 | A kind of automation control system that inserts robotization isomery controller and uses thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947813A (en) * | 2010-03-31 | 2013-02-27 | 施奈德电气自动控制有限责任公司 | Method for transmitting data via canopen bus |
| CN104486182A (en) * | 2014-11-27 | 2015-04-01 | 上海华冠电子设备有限责任公司 | Serial Modbus communication extending method |
| CN107104771A (en) * | 2011-02-11 | 2017-08-29 | 高通股份有限公司 | The cooperation of grand node and remote radio heads in heterogeneous network |
-
2008
- 2008-05-26 CN CNA2008100974408A patent/CN101592940A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947813A (en) * | 2010-03-31 | 2013-02-27 | 施奈德电气自动控制有限责任公司 | Method for transmitting data via canopen bus |
| CN102947813B (en) * | 2010-03-31 | 2015-11-25 | 施奈德电气自动控制有限责任公司 | For the method by CANopen bus transfer data |
| US9667699B2 (en) | 2010-03-31 | 2017-05-30 | Schneider Electric Automation Gmbh | Method for transmitting data via a CANopen bus |
| CN107104771A (en) * | 2011-02-11 | 2017-08-29 | 高通股份有限公司 | The cooperation of grand node and remote radio heads in heterogeneous network |
| CN107104771B (en) * | 2011-02-11 | 2020-05-15 | 高通股份有限公司 | Communication apparatus and method |
| CN104486182A (en) * | 2014-11-27 | 2015-04-01 | 上海华冠电子设备有限责任公司 | Serial Modbus communication extending method |
| CN104486182B (en) * | 2014-11-27 | 2018-05-01 | 上海仪电楼宇科技有限公司 | A kind of method of serial Modbus expanding communications |
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Open date: 20091202 |