CN202309761U - Protocol converter - Google Patents
Protocol converter Download PDFInfo
- Publication number
- CN202309761U CN202309761U CN2011202698363U CN201120269836U CN202309761U CN 202309761 U CN202309761 U CN 202309761U CN 2011202698363 U CN2011202698363 U CN 2011202698363U CN 201120269836 U CN201120269836 U CN 201120269836U CN 202309761 U CN202309761 U CN 202309761U
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- communication module
- mcu
- interface
- protocol converter
- time service
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Abstract
The utility model relates to a protocol converter which comprises an MCU (microprogrammed control unit), an Ethernet communication unit, at least one RS232 communication module, at least one CAN (Controller Area Network) communication module and at least one RS485 communication module, wherein the at least one RS232 communication module, the at least one RS485 communication module and the at least one CAN communication module are respectively electrically connected with the MCU, so that facilities supporting different communication protocols can implement protocol conversion through a protocol converter.
Description
Technical field
The utility model relates to a kind of stipulations converting system.
Background technology
Protocol converter is mainly used in various automated network communication situations, carries out the communication protocol conversion.Existing protocol converter has only a kind of protocol interface, when the communication interface protocol type is more, just needs multiple different protocol converter, needs the multichannel supply power, can increase system power dissipation like this; Existing protocol converter does not have the time service function, and the equipment of connection is made troubles during for storage because the time is inconsistent.
The utility model content
For solving the single problem of existing protocol converter communications protocol interface, the utility model proposes a kind of protocol converter, can realize that the equipment of different communications protocol carries out the stipulations conversion through a protocol converter.
A kind of protocol converter; Comprise: MCU and ethernet communication unit; The ethernet communication unit is electrically connected with MCU; Said protocol converter also comprises: at least one RS232 communication module, at least one CAN communication module and at least one RS485 communication module, said at least one RS232 communication module, at least one RS485 communication module and at least one CAN communication module are electrically connected with MCU respectively.
Further, said MCU comprises a SCI interface, the 2nd SCI interface and CAN interface, and said RS232 communication module is connected with the SCI interface of MCU; Said RS485 communication module links to each other with the 2nd SCI interface of said MCU; Said CAN communication module links to each other with the CAN interface of said MCU.
Further, said protocol converter also comprises the time service unit, and said time service unit is electrically connected with MCU.
Further, the time service unit adopts difference IRIG-B (DC) sign indicating number time service circuit, and said MCU also comprises the IOC interface, and the B-ECT end of said difference IRIG-B (DC) sign indicating number time service circuit joins with the IOC interface of said MCU.
Further, said protocol converter also comprises the SD card, and said SD card is electrically connected with said MCU.
Further, said RS232 communication module, CAN communication module and RS485 communication module all adopt and can the plug form be connected with MCU.
Further, said RS232 communication module, CAN communication module and the RS485 communication module light-emitting diode that includes external interface and link to each other with external interface.
Further, said MCU employing model is the S12XEP100 single-chip microcomputer.
This reality is novel through a plurality of different communication modules are set, and the equipment that can connect many different communications protocol carries out the stipulations conversion, only needs one road power supply, has practiced thrift project cost.
Description of drawings
The structural representation of a kind of protocol converter that Fig. 1 provides for the utility model.
The structural representation of a kind of protocol converter specific embodiment that Fig. 2 provides for the utility model.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Shown in accompanying drawing 1; A kind of protocol converter; Comprise: MCU1, ethernet communication unit 6, at least one RS232 communication module 2, at least one RS485 communication module 3 and at least one CAN communication module 4; Wherein at least one RS232 communication module 2, at least one RS485 communication module 3 and at least one CAN communication module 4 and be electrically connected with MCU respectively, ethernet communication unit 6 is electrically connected with MCU1.
The information that MCU1 is used for that each interface is received is carried out the stipulations conversion, is sent control information and the information classification storage.
Ethernet communication unit 6 is used for equipment is carried out through Ethernet interface and protocol converter the data of information interaction and supervision ethernet link layer.
It is that the equipment of RS232 carries out information interaction through RS232 interface and protocol converter that RS232 communication module 2 is used for communications protocol.
It is that the equipment of RS485 carries out information interaction through RS485 interface and protocol converter that RS485 communication module 3 is used for communications protocol.
It is that the equipment of CAN carries out information interaction through CAN interface and protocol converter that CAN communication module 4 is used for communications protocol.
Preferably, protocol converter also comprises time service unit 5, and time service unit 5 is electrically connected with MCU1, and time service unit 5 is used to make the equipment time of access consistent.
Shown in accompanying drawing 2; MCU comprises a SCI interface, the 2nd SCI interface and CAN interface; RS232 communication module 2 is connected with the SCI interface of MCU1, and RS485 module 3 is connected with the 2nd SCI interface of MCU1, and wherein one road SCI interface comprises a RXD interface and a TXD interface; The one SCI interface comprises RXD0 interface, TXD0 interface; The 2nd SCI interface comprises RXD1 interface, TXD1 interface, and CAN communication module 4 links to each other with the CAN interface of MCU1, and wherein one road CAN interface comprises a RXCAN interface and a TXCAN interface.
MCU1 adopts the S12XEP100 model single-chip microcomputer of freescal brand; The single-chip microcomputer of this model has 8 road SCI interfaces respectively; And 5 road CAN interface (all not marking in the accompanying drawing 2); RS232 communication module 2, RS485 communication module 3 and CAN communication module 4 all adopt and can the plug form be connected with MCU1, and the quantity of RS232 communication module 2, RS485 communication module 3 and CAN communication module 4 can be selected according to the needs of physical device.
Protocol converter also comprises SD card 7, and SD card 7 is electrically connected with MCU, and fault message, significant data information that SD card 7 is used for each communication interface is received are carried out record.
The light-emitting diode that RS232 communication module 2, CAN communication module 4 and RS485 communication module 3 include external interface and link to each other with external interface, light-emitting diode is used to show communication state.
During work, protocol converter is connected with relevant device through each communication module interface, and the information that receiving equipment sends is carried out stipulations and changed the concurrent warp let-off and cross information that stipulations change to equipment; And receive IRIG-B (DC) sign indicating number of time service main frame through IRIG-B (DC) sign indicating number time service circuit; Issue equipment, make all equipment time markings consistent, simultaneously important data are carried out real-time storage; The data of storage are conveniently inquired about because have time marking.
The protocol converter that provides through the utility model; The equipment that can realize different communications protocol carries out the stipulations conversion through a protocol converter; Only need one road power supply, practiced thrift project cost, and can be implemented as the equipment time service; Make all devices time consistent, make things convenient for the storage of data.
The above is merely the preferred embodiment of the utility model, not in order to restriction the utility model, any modification of being done within all spirit at the utility model and the principle, is equal to and replaces and improvement etc., all should be included within the protection range of utility model.
Claims (8)
1. protocol converter; Comprise: MCU and ethernet communication unit; The ethernet communication unit is electrically connected with MCU; It is characterized in that said protocol converter also comprises: at least one RS232 communication module, at least one CAN communication module and at least one RS485 communication module, said at least one RS232 communication module, at least one RS485 communication module and at least one CAN communication module are electrically connected with MCU respectively.
2. protocol converter according to claim 1 is characterized in that, said MCU comprises a SCI interface, the 2nd SCI interface and CAN interface, and said RS232 communication module is connected with the SCI interface of MCU; Said RS485 communication module links to each other with the 2nd SCI interface of said MCU; Said CAN communication module links to each other with the CAN interface of said MCU.
3. protocol converter according to claim 1 is characterized in that said protocol converter also comprises the time service unit, and said time service unit is electrically connected with MCU.
4. protocol converter according to claim 3; It is characterized in that; The time service unit adopts difference IRIG-B (DC) sign indicating number time service circuit, and said MCU also comprises the IOC interface, and the B-ECT end of said difference IRIG-B (DC) sign indicating number time service circuit joins with the IOC interface of said MCU.
5. protocol converter according to claim 1 is characterized in that said protocol converter also comprises the SD card, and said SD card is electrically connected with said MCU.
6. protocol converter according to claim 1 is characterized in that, said RS232 communication module, CAN communication module and RS485 communication module all adopt and can the plug form be connected with MCU.
7. protocol converter according to claim 1 is characterized in that, the light-emitting diode that said RS232 communication module, CAN communication module and RS485 communication module include external interface and link to each other with external interface.
8. protocol converter according to claim 1 is characterized in that, it is the S12XEP100 single-chip microcomputer that said MCU adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202698363U CN202309761U (en) | 2011-07-28 | 2011-07-28 | Protocol converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202698363U CN202309761U (en) | 2011-07-28 | 2011-07-28 | Protocol converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309761U true CN202309761U (en) | 2012-07-04 |
Family
ID=46378570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202698363U Expired - Lifetime CN202309761U (en) | 2011-07-28 | 2011-07-28 | Protocol converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181874A (en) * | 2013-05-21 | 2014-12-03 | 深圳市金威源科技股份有限公司 | Intelligent multimedia power monitoring and managing system |
| CN104253486A (en) * | 2014-09-30 | 2014-12-31 | 杭州天目电力科技有限公司 | Communication adapter |
| CN104600843A (en) * | 2015-01-26 | 2015-05-06 | 国家电网公司 | Power communication protocol conversion device |
-
2011
- 2011-07-28 CN CN2011202698363U patent/CN202309761U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181874A (en) * | 2013-05-21 | 2014-12-03 | 深圳市金威源科技股份有限公司 | Intelligent multimedia power monitoring and managing system |
| CN104253486A (en) * | 2014-09-30 | 2014-12-31 | 杭州天目电力科技有限公司 | Communication adapter |
| CN104600843A (en) * | 2015-01-26 | 2015-05-06 | 国家电网公司 | Power communication protocol conversion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |