CN109067630A - A kind of serial data communication link branch cooperative control device - Google Patents
A kind of serial data communication link branch cooperative control device Download PDFInfo
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- CN109067630A CN109067630A CN201811203177.6A CN201811203177A CN109067630A CN 109067630 A CN109067630 A CN 109067630A CN 201811203177 A CN201811203177 A CN 201811203177A CN 109067630 A CN109067630 A CN 109067630A
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- data
- control device
- cooperative control
- link branch
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Systems (AREA)
Abstract
The invention discloses a kind of serial data communication link branch cooperative control devices, including communication module, CPU module, four modules of messaging parameter setup module and state instruction, communication module is used for the processing and transmission of data, CPU module is for handling data, messaging parameter setup module is used for baud rate, data bit, stop position, with the effect and matching of odd even, state instruction is for the display in data transmission, the beneficial effects of the present invention are: serial data communication link branch cooperative control device, communication scheduling and a data buffer storage can be established between main website and slave station, meet more than two main websites while reading the slave station data on same bus, and there is no conflicts.
Description
Technical field
The invention belongs to internet data acquisition applications technical fields, and in particular to a kind of serial ports based on MODBUS agreement
Data link branch cooperative control device.
Background technique
Data acquisition is the basis of industry internet platform construction, currently, MODBUS agreement has become China's industry certainly
One of the national standard of dynamicization network protocol standard, the product or system of domestic many manufacturers support the agreement, according to
The regulation of MODBUS agreement only allows there are a main website in one bus, remaining is slave station, this makes Liang Ge main website simultaneously
The data of reading unibus become can not.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of serial data communication link point
Road cooperative control device.
The present invention provides a kind of serial data communication link branch cooperative control device, including communication module, central processing
Four device module, messaging parameter setup module and state instruction modules, the communication module are used for the processing and transmission of data, institute
CPU module is stated for handling data, the messaging parameter setup module be used for baud rate, data bit, stop position,
With the effect and matching of odd even, the state instruction is for the display in data transmission.
Preferably, the serial data communication link branch cooperative control device, scene does not need to reinstall slave station i.e.
Same set of slave station data can be achieved and provide service for multiple main station systems.
Preferably, the serial data communication link branch cooperative control device, protocol transparent, it is only necessary to which it is logical that serial ports is set
Believe parameter.
Preferably, the serial data communication link branch cooperative control device, not to the communication protocol between master-salve station
It needs to set, compatible almost all of serial communication protocol.
Preferably, the serial data communication link branch cooperative control device, then original system is not produced in being transformed
It is raw to influence.
Preferably, the serial data communication link branch cooperative control device, can directly pre-read according to the numerical value of setting
It takes the data of slave station equipment to go in memory, when main website carries out request of data, directly transmits internal storage data value to main website.
Preferably, the serial data communication link branch cooperative control device, can successively receive the data of multiple main websites
Request returns to the slave station data received according to original route to slave station bus is sent to after the request of data verification of each main website
To the main website of request, each main website is successively handled.
Beneficial effect
The present invention can establish communication scheduling and a data buffer storage between main website and slave station, and it is same to meet more than two main websites
When read same bus on slave station data, and there is no conflict.
Detailed description of the invention
Fig. 1 is floor map of the invention.
Specific embodiment
Below with reference to the example diagram in present example, the technical solution in the present invention clearly, completely describe.
The present invention provides a kind of serial data communication link branch cooperative control device, embodiment 1: serial data communication link branch
Cooperative control device successively receives the request of data of multiple main websites, total to slave station is sent to after the request of data verification of each main website
The slave station data received are returned to the main website of request according to original route, successively handle each main website, Ji Keshi by line, slave station bus
Existing object above, embodiment 2: serial data communication link branch cooperative control device is directly according to the value of setting, pre-read
The data of slave station equipment are into memory, when main website carries out request of data, directly transmit internal storage data value to main website, that is, can reach with
Upper purpose.
Embodiment
As shown in Figure 1, a kind of serial data communication link branch cooperative control device, including communication module, central processing
Four device module, messaging parameter setup module and state instruction modules, communication module are used for the processing and transmission of data, centre
Reason device module is used for the effect to baud rate, data bit, stop position and odd even for handling data, messaging parameter setup module
With matching, state instruction is for the display in data transmission.
Preferably, serial data communication link branch cooperative control device, scene does not need to reinstall slave station can be real
Existing same set of slave station data provide service for multiple main station systems.
Preferably, serial data communication link branch cooperative control device, protocol transparent, it is only necessary to which serial communication ginseng is set
Number.
Preferably, serial data communication link branch cooperative control device does not need the communication protocol between master-salve station
Setting, compatible almost all of serial communication protocol.
Preferably, serial data communication link branch cooperative control device, then shadow is not generated to original system in being transformed
It rings.
Preferably, serial data communication link branch cooperative control device, can directly according to the numerical value pre-read of setting from
The data of station equipment are gone in memory, when main website carries out request of data, directly transmit internal storage data value to main website.
Preferably, serial data communication link branch cooperative control device can successively receive the request of data of multiple main websites,
To slave station bus is sent to after the request of data verification of each main website, the slave station data received are returned into request according to original route
Main website, successively handle each main website.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Summary of the invention within protection scope.
Claims (7)
1. a kind of serial data communication link branch cooperative control device, including communication module, CPU module, communication ginseng
Number four modules of setup module and state instruction, it is characterised in that: the communication module is used for the processing and transmission of data, described
CPU module for handling data, the messaging parameter setup module be used for baud rate, data bit, stop position and
The effect and matching of odd even, the state instruction is for the display in data transmission.
2. serial data communication link branch cooperative control device according to claim 1, it is characterised in that: the serial ports
Data link branch cooperative control device, it is more that scene, which does not need to reinstall slave station same set of slave station data can be realized,
A main station system provides service.
3. serial data communication link branch cooperative control device according to claim 1, it is characterised in that: the serial ports
Data link branch cooperative control device, protocol transparent, it is only necessary to which serial communication parameter is set.
4. serial data communication link branch cooperative control device according to claim 1, it is characterised in that: the serial ports
Data link branch cooperative control device, does not need to set to the communication protocol between master-salve station, and compatibility is almost all of
Serial communication protocol.
5. serial data communication link branch cooperative control device according to claim 1, it is characterised in that: the serial ports
Data link branch cooperative control device, then original system is not had an impact in being transformed.
6. serial data communication link branch cooperative control device according to claim 1, it is characterised in that: the serial ports
Data link branch cooperative control device directly can go to memory according to the data of the numerical value pre-read slave station equipment of setting
In, when main website carries out request of data, internal storage data value is directly transmitted to main website.
7. serial data communication link branch cooperative control device according to claim 1, it is characterised in that: the serial ports
Data link branch cooperative control device can successively receive the request of data of multiple main websites, ask to the data of each main website
It is sent to slave station bus after asking verification, the slave station data received are returned to the main website of request according to original route, successively processing is every
A main website.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203177.6A CN109067630A (en) | 2018-10-16 | 2018-10-16 | A kind of serial data communication link branch cooperative control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203177.6A CN109067630A (en) | 2018-10-16 | 2018-10-16 | A kind of serial data communication link branch cooperative control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109067630A true CN109067630A (en) | 2018-12-21 |
Family
ID=64764942
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811203177.6A Pending CN109067630A (en) | 2018-10-16 | 2018-10-16 | A kind of serial data communication link branch cooperative control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111159092A (en) * | 2019-12-31 | 2020-05-15 | 北京力控华康科技有限公司 | Serial port communication system, method and device and electronic equipment |
| CN111327503A (en) * | 2020-03-10 | 2020-06-23 | 浙江明度智控科技有限公司 | MODBUS bus-based multi-master-station token scheduling device, communication method and system |
| CN111352882A (en) * | 2020-02-27 | 2020-06-30 | 苏州琅润达检测科技有限公司 | Serial port shunting device |
| CN111522758A (en) * | 2020-06-01 | 2020-08-11 | 上海中广核工程科技有限公司 | Integrated multi-field bus master station system and distributed control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111159092A (en) * | 2019-12-31 | 2020-05-15 | 北京力控华康科技有限公司 | Serial port communication system, method and device and electronic equipment |
| CN111352882A (en) * | 2020-02-27 | 2020-06-30 | 苏州琅润达检测科技有限公司 | Serial port shunting device |
| CN111327503A (en) * | 2020-03-10 | 2020-06-23 | 浙江明度智控科技有限公司 | MODBUS bus-based multi-master-station token scheduling device, communication method and system |
| CN111327503B (en) * | 2020-03-10 | 2022-03-01 | 明度智云(浙江)科技有限公司 | MODBUS bus-based multi-master-station token scheduling device, communication method and system |
| CN111522758A (en) * | 2020-06-01 | 2020-08-11 | 上海中广核工程科技有限公司 | Integrated multi-field bus master station system and distributed control system |
| CN111522758B (en) * | 2020-06-01 | 2021-08-03 | 上海中广核工程科技有限公司 | Integrated multi-field bus master station system and distributed control system |
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