CN208768087U - 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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- CN208768087U CN208768087U CN201821675450.0U CN201821675450U CN208768087U CN 208768087 U CN208768087 U CN 208768087U CN 201821675450 U CN201821675450 U CN 201821675450U CN 208768087 U CN208768087 U CN 208768087U
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Abstract
The utility model 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 utility model 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 utility model belongs to internet data acquisition applications technical field, and in particular to a kind of based on MODBUS agreement
Serial data communication 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.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of serial data communication chain
Road branch cooperative control device.
The utility model provides a kind of serial data communication link branch cooperative control device, including communication module, center
Four processor module, messaging parameter setup module and state instruction modules, the communication module are used for the processing and biography of data
Defeated, the CPU module is used for baud rate, data bit, stops for handling data, the messaging parameter setup module
The effect and matching of stop bit and 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 utility model can establish communication scheduling and a data buffer storage between main website and slave station, meet more than two
Main website read slave station data on same bus simultaneously, and there is no conflicts.
Detailed description of the invention
Fig. 1 is the floor map of the utility model.
Specific embodiment
Below with reference to the example diagram in the example of the utility model, the technical solution in the utility model is carried out clear, complete
Whole description.The utility model provides a kind of serial data communication link branch cooperative control device, embodiment 1: serial ports number
The request of data that multiple main websites are successively received according to communication link branch cooperative control device verifies the request of data of each main website
After be sent to slave station bus, the slave station data received are returned to the main website of request according to original route, successively handled by slave station bus
Object above can be realized, embodiment 2 in each main website: serial data communication link branch cooperative control device directly according to
The value of setting, the data of pre-read slave station equipment when main website carries out request of data, directly transmit internal storage data value extremely into memory
Main website can reach object above.
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 above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
Summary of the invention should be included within the scope of protection of this utility model.
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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821675450.0U CN208768087U (en) | 2018-10-16 | 2018-10-16 | A kind of serial data communication link branch cooperative control device |
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| CN201821675450.0U CN208768087U (en) | 2018-10-16 | 2018-10-16 | A kind of serial data communication link branch cooperative control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067630A (en) * | 2018-10-16 | 2018-12-21 | 苏州琅润达检测科技有限公司 | A kind of serial data communication link branch cooperative control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067630A (en) * | 2018-10-16 | 2018-12-21 | 苏州琅润达检测科技有限公司 | A kind of serial data communication link branch cooperative control device |
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