CN213817836U - Switchable protocol industrial IO module - Google Patents
Switchable protocol industrial IO module Download PDFInfo
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- CN213817836U CN213817836U CN202022928550.3U CN202022928550U CN213817836U CN 213817836 U CN213817836 U CN 213817836U CN 202022928550 U CN202022928550 U CN 202022928550U CN 213817836 U CN213817836 U CN 213817836U
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Abstract
The utility model relates to an IO module, in particular to an industrial IO module capable of switching protocols, which comprises a protocol selection circuit, a processor and a plurality of PHY driving circuits, wherein the protocol selection circuit comprises a trigger signal source and a coding switch, and the trigger signal source is connected with each channel of the coding switch; the processor is internally provided with a plurality of Ethernet communication protocols, the input end of the processor is connected with the coding switch, and the processor is configured to operate the corresponding Ethernet communication protocols according to the trigger signal source output by the coding switch; the input end of each PHY driving circuit is respectively connected with the output end of the processor. The utility model has the advantages that: the system integrates multiple Ethernet communication protocols, improves the compatibility and application scene adaptability of the industrial IO module, reduces research and development and production investment, reduces the type selection difficulty of users, and greatly reduces the project construction difficulty.
Description
Technical Field
The utility model relates to a IO module, especially a changeable agreement industry IO module.
Background
With the development of technology, ethernet technology has been developed and used in industrial situations. In the prior art, communication protocols used by the IO module of the industrial ethernet are all determined by control chips of technical suppliers, and in order to meet the requirements of customers on different communication protocols, IO module developers need to design various IO modules based on the control chips of different communication protocols. Therefore, development and production costs are increased, and the compatibility of the existing industrial ethernet IO module is also poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a changeable agreement industry IO module to overcome the single defect of current industry IO module communication agreement.
In order to achieve the above object, the utility model discloses a changeable agreement industry IO module, include:
the protocol selection circuit comprises a trigger signal source and a coding switch, wherein the trigger signal source is connected with each channel of the coding switch;
the processor is internally provided with a plurality of Ethernet communication protocols, the input end of the processor is connected with the coding switch, and the processor is configured to operate the corresponding Ethernet communication protocols according to the trigger signal source output by the coding switch; and
and the input end of each PHY driving circuit is respectively connected with the output end of the processor.
Furthermore, one or more Ethernet communication protocols of PROFINET, EtherCAT and EtherNet/IP are arranged in the processor.
Further, the processor employs an STM32 chip.
Furthermore, the PHY driving circuit includes a PHY chip and an RJ45 interface, an input end of the PHY chip is connected to an output end of the processor, and an output end of the PHY chip is connected to the RJ45 interface.
The utility model has the advantages that: the system integrates multiple Ethernet communication protocols, improves the compatibility and application scene adaptability of the industrial IO module, reduces research and development and production investment, reduces the type selection difficulty of users, and greatly reduces the project construction difficulty.
Drawings
Fig. 1 is a block diagram illustrating a switchable protocol industrial IO module according to an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be further described with reference to the following embodiments and accompanying drawings.
Fig. 1 is a block diagram illustrating a switchable protocol industrial IO module according to an exemplary embodiment. As shown in fig. 1, the switchable protocol industrial IO module includes a protocol selection circuit 10, a processor 20, and a plurality of sets of PHY driver circuits 30.
The protocol selection circuit 10 comprises a trigger signal source 11 and a coding switch 12, wherein the trigger signal source 11 is connected with each channel of the coding switch 12; the processor 20 is internally provided with a plurality of Ethernet communication protocols, the input end of the processor 20 is connected with the coding switch 12, and the processor 20 is configured to operate the corresponding Ethernet communication protocol according to the trigger signal source 11 output by the coding switch 12; the input terminals of the PHY driver circuits 30 are connected to the output terminals of the processor 20.
In actual use, each channel of the coding switch 12 is connected to an input terminal of the processor 20, the trigger signal source 11 flows into the processor 20 through the coding switch 12, and when a user turns on the channel of the coding switch 12 through the coding switch 12, the processor 20 switches the corresponding ethernet communication protocol according to the triggered input terminal.
In this embodiment, the processor 20 is an STM32 chip, and the processor 20 has PROFINET, EtherCAT, and EtherNet/IP protocols built therein.
In this embodiment, the PHY driving circuit 30 includes a PHY chip 31 and an RJ45 interface 32, an input end of the PHY chip 31 is connected to an output end of the processor 20, and an output end of the PHY chip 31 is connected to the RJ45 interface 32. The PHY chip 31 is used for transmitting and receiving data frames of ethernet, the RJ45 interface 32 is used for connecting external electrical components, and the processor 20 outputs driving signals and receives corresponding signals of the external electrical components.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalent changes may be made to some of the technical features of the embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A switchable protocol industrial IO module, comprising:
the protocol selection circuit comprises a trigger signal source and a coding switch, wherein the trigger signal source is connected with each channel of the coding switch;
the processor is internally provided with a plurality of Ethernet communication protocols, the input end of the processor is connected with the coding switch, and the processor is configured to operate the corresponding Ethernet communication protocols according to the trigger signal source output by the coding switch; and
and the input end of each PHY driving circuit is respectively connected with the output end of the processor.
2. The switchable protocol industrial IO module of claim 1, wherein the processor is embedded with one or more EtherNet communication protocols of PROFINET, EtherCAT, and EtherNet/IP.
3. The switchable protocol industrial IO module of claim 2, wherein the processor employs an STM32 chip.
4. The switchable protocol industrial IO module of claim 1, wherein the PHY driver circuit comprises a PHY chip and an RJ45 interface, wherein an input of the PHY chip is connected to an output of the processor, and an output of the PHY chip is connected to an RJ45 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022928550.3U CN213817836U (en) | 2020-12-09 | 2020-12-09 | Switchable protocol industrial IO module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022928550.3U CN213817836U (en) | 2020-12-09 | 2020-12-09 | Switchable protocol industrial IO module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213817836U true CN213817836U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022928550.3U Active CN213817836U (en) | 2020-12-09 | 2020-12-09 | Switchable protocol industrial IO module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213817836U (en) |
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2020
- 2020-12-09 CN CN202022928550.3U patent/CN213817836U/en active Active
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