CN205356374U - Bus terminal equipment communication protocol automatic identification conversion equipment - Google Patents
Bus terminal equipment communication protocol automatic identification conversion equipment Download PDFInfo
- Publication number
- CN205356374U CN205356374U CN201520967303.0U CN201520967303U CN205356374U CN 205356374 U CN205356374 U CN 205356374U CN 201520967303 U CN201520967303 U CN 201520967303U CN 205356374 U CN205356374 U CN 205356374U
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- buses
- communication
- circuit
- switching circuit
- bus
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Abstract
The utility model relates to a communication protocol automatic identification conversion equipment, a bus terminal equipment communication protocol automatic identification conversion equipment, including first, two... N terminal equipment, first, two... N terminal interface, first, two... N filter circuit, first, two... N agreement intelligent conversion circuit, first, two... N bus interface and 485 buses, a terminal equipment, a terminal interface, a filter circuit and first agreement intelligent conversion circuit connect gradually through the CAN bus, N terminal equipment, N terminal interface, N filter circuit and N agreement intelligent conversion circuit connect gradually through 232 bus, first, two... N agreement intelligent conversion circuit, first, two... N bus interface and 485 buses are respectively through 485 buses and the outer 485 bus connection of device. The utility model discloses the data transmission of bus is the transparent, and terminal equipment needn't consider which kind of communication protocol is the bus that articulates adopt, can all insert the use promptly, very big numerous customers and the terminal equipment firm of having made things convenient for.
Description
Technical field
This utility model relates to a kind of communication protocol and automatically identifies conversion equipment, more particularly, it relates to a kind of bus termination equipment communication protocol identifies conversion equipment automatically.
Background technology
Current industrial control field, bus is important step indispensable in Automation of Manufacturing Process.But in currently practical application, bus type is various, all there are differences in many aspects such as communication level, communication standard, communication protocol, communication data line quantity, the communication type that the terminal unit of different manufacturers adopts usually cannot with bus widening, and specifically communication protocol conversion is it is generally required to customize, not only cost is high, and the design cycle is long, use extremely inconvenience, many times because of the specific communications stipulations of bus, the series having to accept same production firm monopolizes product so that client cannot select the terminal unit of more multiformity, more cost performance.
There is the solution that scholar adopts stipulations automatically to change, but it is only capable of the different stipulations of same level hardware system, same communication line quantity are carried out the conversion of software category, to the varying level hardware system of more field demands, the communications applications of different communication line quantity inapplicable.
Summary of the invention
In order to overcome the deficiencies in the prior art, this utility model purpose is to provide a kind of bus termination equipment communication protocol and automatically identifies conversion equipment.The terminal unit of any manufacturer can be accessed use by this device, and terminal unit need not change communication protocol, greatly facilitates client and carries out the amplification of system.It addition, can be detected by, the data transmission bauds that processes is not less than the largest data transfer speed of all terminals of same bus mounting, it is ensured that the reliability of communication.
In order to realize foregoing invention purpose, solving problem existing in prior art, this utility model adopts the technical scheme that: a kind of bus termination equipment communication protocol identifies conversion equipment automatically, including first, two ... N terminal unit, first, two ... N terminal interface, first, two ... N filter circuit, first, two ... N protocol-intelligent change-over circuit, first, two ... N EBI and 485 buses, it is characterised in that: described first, two ... N protocol-intelligent change-over circuit includes the 1st, 2 ... n channel switching circuit, microcontroller, CAN communication circuit, 232 communication lines, 485 communication lines and communication mode differentiate switching circuit, the described 1st, 2 ... nCAN communication line, 232 communication lines and the input of 485 communication lines, outfan is respectively with the 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is connected, the described 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is respectively with the 1st, 2 ... n microcontroller is connected, described first terminal equipment is connected with first terminal interface by CAN, described first terminal interface is connected with the first filter circuit by CAN, with the 1st communication mode, described first filter circuit differentiates that switching circuit is connected by CAN, described N terminal unit is connected with N terminal interface by 232 buses, described N terminal interface is connected with N filter circuit by 232 buses, with the n-th communication mode, described N filter circuit differentiates that switching circuit is connected by 232 buses, the described 1st, 2 ... n channel switching circuit is respectively through 485 buses and first, two ... N EBI is connected, described first, two ... N EBI respectively through 485 buses with device outside 485 buses be connected.
Described filter circuit is selected from active filter circuit or adopts one or both or the three kinds of passive filter circuits constituted in resistance, inductance, electric capacity.
This utility model provides the benefit that: a kind of bus termination equipment communication protocol identifies conversion equipment automatically, including first, two ... N terminal unit, first, two ... N terminal interface, first, two ... N filter circuit, first, two ... N protocol-intelligent change-over circuit, first, two ... N EBI and 485 buses, it is characterised in that: described first, two ... N protocol-intelligent change-over circuit includes the 1st, 2 ... n channel switching circuit, microcontroller, CAN communication circuit, 232 communication lines, 485 communication lines and communication mode differentiate switching circuit, the described 1st, 2 ... nCAN communication line, 232 communication lines and the input of 485 communication lines, outfan is respectively with the 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is connected, the described 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is respectively with the 1st, 2 ... n microcontroller is connected, described first terminal equipment is connected with first terminal interface by CAN, described first terminal interface is connected with the first filter circuit by CAN, with the 1st communication mode, described first filter circuit differentiates that switching circuit is connected by CAN, described N terminal unit is connected with N terminal interface by 232 buses, described N terminal interface is connected with N filter circuit by 232 buses, with the n-th communication mode, described N filter circuit differentiates that switching circuit is connected by 232 buses, the described 1st, 2 ... n channel switching circuit is respectively through 485 buses and first, two ... N EBI is connected, described first, two ... N EBI respectively through 485 buses with device outside 485 buses be connected.Compared with the prior art, the terminal unit of any manufacturer can be accessed use by this utility model, and terminal unit need not change communication protocol, greatly facilitates client and carries out the amplification of system.It addition, can be detected by, the data transmission bauds that processes is not less than the largest data transfer speed of all terminals of same bus mounting, it is ensured that the reliability of communication.
Accompanying drawing explanation
Fig. 1 is this utility model structural schematic block diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As it is shown in figure 1, a kind of bus termination equipment communication protocol identifies conversion equipment automatically, including first, two ... N terminal unit, first, two ... N terminal interface, first, two ... N filter circuit, first, two ... N protocol-intelligent change-over circuit, first, two ... N EBI and 485 buses, it is characterised in that: described first, two ... N protocol-intelligent change-over circuit includes the 1st, 2 ... n channel switching circuit, microcontroller, CAN communication circuit, 232 communication lines, 485 communication lines and communication mode differentiate switching circuit, the described 1st, 2 ... nCAN communication line, 232 communication lines and the input of 485 communication lines, outfan is respectively with the 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is connected, the described 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is respectively with the 1st, 2 ... n microcontroller is connected, described first terminal equipment is connected with first terminal interface by CAN, described first terminal interface is connected with the first filter circuit by CAN, with the 1st communication mode, described first filter circuit differentiates that switching circuit is connected by CAN, described N terminal unit is connected with N terminal interface by 232 buses, described N terminal interface is connected with N filter circuit by 232 buses, with the n-th communication mode, described N filter circuit differentiates that switching circuit is connected by 232 buses, the described 1st, 2 ... n channel switching circuit is respectively through 485 buses and first, two ... N EBI is connected, described first, two ... N EBI respectively through 485 buses with device outside 485 buses be connected.Described filter circuit is selected from active filter circuit or adopts one or both or the three kinds of passive filter circuits constituted in resistance, inductance, electric capacity.
This utility model advantage is in that: a kind of bus termination equipment communication protocol identifies conversion equipment automatically, and the terminal unit of any manufacturer can be accessed use, and terminal unit need not change communication protocol, greatly facilitates client and carries out the amplification of system.It addition, can be detected by, the data transmission bauds that processes is not less than the largest data transfer speed of all terminals of same bus mounting, it is ensured that the reliability of communication.
Claims (2)
1. bus termination equipment communication protocol identifies a conversion equipment automatically, including first, two ... N terminal unit, first, two ... N terminal interface, first, two ... N filter circuit, first, two ... N protocol-intelligent change-over circuit, first, two ... N EBI and 485 buses, it is characterised in that: described first, two ... N protocol-intelligent change-over circuit includes the 1st, 2 ... n channel switching circuit, microcontroller, CAN communication circuit, 232 communication lines, 485 communication lines and communication mode differentiate switching circuit, the described 1st, 2 ... nCAN communication line, 232 communication lines and the input of 485 communication lines, outfan is respectively with the 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is connected, the described 1st, 2 ... n channel switching circuit and communication mode differentiate that switching circuit is respectively with the 1st, 2 ... n microcontroller is connected, described first terminal equipment is connected with first terminal interface by CAN, described first terminal interface is connected with the first filter circuit by CAN, with the 1st communication mode, described first filter circuit differentiates that switching circuit is connected by CAN, described N terminal unit is connected with N terminal interface by 232 buses, described N terminal interface is connected with N filter circuit by 232 buses, with the n-th communication mode, described N filter circuit differentiates that switching circuit is connected by 232 buses, the described 1st, 2 ... n channel switching circuit is respectively through 485 buses and first, two ... N EBI is connected, described first, two ... N EBI respectively through 485 buses with device outside 485 buses be connected.
2. a kind of bus termination equipment communication protocol identifies conversion equipment automatically according to claim 1, it is characterised in that: described filter circuit is selected from active filter circuit or adopts one or both or the three kinds of passive filter circuits constituted in resistance, inductance, electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967303.0U CN205356374U (en) | 2015-11-29 | 2015-11-29 | Bus terminal equipment communication protocol automatic identification conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967303.0U CN205356374U (en) | 2015-11-29 | 2015-11-29 | Bus terminal equipment communication protocol automatic identification conversion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205356374U true CN205356374U (en) | 2016-06-29 |
Family
ID=56167750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520967303.0U Withdrawn - After Issue CN205356374U (en) | 2015-11-29 | 2015-11-29 | Bus terminal equipment communication protocol automatic identification conversion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205356374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357093A (en) * | 2015-11-29 | 2016-02-24 | 大连理工大学 | Bus terminal device communication protocol automatic identification conversion device and control method |
-
2015
- 2015-11-29 CN CN201520967303.0U patent/CN205356374U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357093A (en) * | 2015-11-29 | 2016-02-24 | 大连理工大学 | Bus terminal device communication protocol automatic identification conversion device and control method |
| CN105357093B (en) * | 2015-11-29 | 2018-08-14 | 大连理工大学 | A kind of bus termination equipment communication protocol automatic identification conversion equipment and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20180814 |