CN203445899U - Embedded gateway based on Modbus and TCP/IP protocol conversion - Google Patents
Embedded gateway based on Modbus and TCP/IP protocol conversion Download PDFInfo
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- CN203445899U CN203445899U CN201320528115.9U CN201320528115U CN203445899U CN 203445899 U CN203445899 U CN 203445899U CN 201320528115 U CN201320528115 U CN 201320528115U CN 203445899 U CN203445899 U CN 203445899U
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Abstract
The utility model discloses an embedded gateway based on Modbus and TCP/IP protocol conversion. The embedded gateway comprises a serial communication module, an Ethernet communication module, a processor module, a display module and a power module. The serial communication module and the processor module are connected, the Ethernet communication module and the processor module are connected, the processor module and the display module are connected, and the power module and the processor module are connected. By using the embedded gateway based on Modbus and TCP/IP protocol conversion, the mutual conversion between serial link data and network data is realized, the realization of industrial on-site equipment networking is facilitated, the equipment operation is controlled in multiple expansion modes in an original operation environment, the system scalability is improved, and the construction of large-scale control networks is facilitated.
Description
Technical field
The utility model relates to a kind of gateway, relates in particular to a kind of embedded gateway based on Modbus and ICP/IP protocol conversion.
Background technology
Along with improving constantly of industry spot intelligent requirements, the introducing of network technology is an inevitable choice in industrial automatic control field, but most industrial field device does not have network interface, so in the situation that not changing existing equipment, how modern communication technology is successfully applied to industrial automatic control field, whole control network of networkization transformation is very important, especially how serial link is converted to network link, serial data frame and transmission control protocol/Internet Interconnection agreement (TCP/IP) packet are changed mutually.
Utility model content
The purpose of this utility model is, by a kind of embedded gateway based on Modbus and ICP/IP protocol conversion, to solve the problem that above background technology is partly mentioned.
For reaching this object, the utility model by the following technical solutions:
An embedded gateway based on Modbus and ICP/IP protocol conversion, it comprises serial communication module, ethernet communication module, processor module, display module and power module;
Described serial communication module is connected with processor module, for receiving and send serial data packet;
Described ethernet communication module is connected with processor module, for receiving and send network packet;
Described processor module is connected with display module, be used for based on Modbus serial protocol and ICP/IP protocol, accordingly the serial data packet of receiving and network packet are analyzed to judgement, serial data packet is converted to network packet, export to ethernet communication module, network packet is converted to serial data packet, exports to serial communication module, and related data is presented on display module in real time;
Described power module is connected with processor module, for input voltage is carried out to step-down processing, is different demand power supplies.
Especially, described serial communication module comprises RS232 interface and RS485 interface.
Especially, described ethernet communication module comprises RJ45 interface.
Especially, described processor module is selected STM32f103 series processors.
Especially, described display module is selected touching liquid-crystal display screen.
The embedded gateway based on Modbus and ICP/IP protocol conversion that the utility model provides has been realized the mutual conversion between serial link data and network data, be convenient to realize the networking of industrial field device, equipment is operated under original running environment to be controlled with multiple extended mode, improve the system expandability, be conducive to the construction of large-scale control network implementation.
Accompanying drawing explanation
The embedded gateway structure chart based on Modbus and ICP/IP protocol conversion that Fig. 1 provides for the utility model embodiment;
The processor module workflow diagram that Fig. 2 provides for the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Please refer to shown in Fig. 1 the embedded gateway structure chart based on Modbus and ICP/IP protocol conversion that Fig. 1 provides for the utility model embodiment.
Embedded gateway based on Modbus and ICP/IP protocol conversion in the present embodiment comprises serial communication module 101, ethernet communication module 102, processor module 103, display module 104 and power module 105.
Described serial communication module 101 is connected with processor module 103, for receiving and send serial data packet.Described ethernet communication module 102 is connected with processor module 103, for receiving and send network packet.Described processor module 103 is connected with display module 104, be used for based on Modbus serial protocol and ICP/IP protocol, accordingly the serial data packet of receiving and network packet are analyzed to judgement, serial data packet is converted to network packet, export to ethernet communication module 102, network packet is converted to serial data packet, exports to serial communication module 101, and related data is presented on display module 104 in real time.Described power module 105 is connected with processor module 103, for input voltage is carried out to step-down processing, is different demand power supplies.Wherein, Modbus is a brand by Modicon(Xian Wei Schneider Electric Devices company) utility model in 1979, be the whole world first really for the bus protocol of industry spot.TCP/IP is transmission control protocol/Internet Interconnection agreement, has another name called network communication protocol.
In the present embodiment, described serial communication module 101 comprises RS232 interface and RS485 interface.Described ethernet communication module 102 comprises RJ45 interface.Described processor module 103 is selected STM32f103 series processors.Described display module 104 is selected touching liquid-crystal display screen, by 240*320 touch screen liquid crystal, ILI9341 chip and TSC2046 chip, formed, ILI9341 chip is used for controlling liquid crystal display screen, TSC2046 chip is as controlling touch-screen, STM32f103 series processors drives liquid crystal display screen by its FSMC, provide man-machine interface, handled easily personnel surveillance equipment ruuning situation.Described power module 105AMS1111-3.3 and AMS1111-2.5 and other passive devices form, and respectively external 5V power supply being reduced to 3.3V is different demand power supplies from 2.5V.
RS232 interface and RS485 interface are all connected the subordinate computer node 106 of industrial automation control appliance.RS485 interface is, by SN75LBC184-TTL-RS485 interface driver chip, the two paths of signals line of RS485 interface is transferred to the connected RX of STM32f103 series processors serial ports and TX end.RJ45 interface picks out by network control chip and network transformer, be connected with the SPI2 of STM32f103 series processors, by spi bus, operate the realization that reaches network interface layer, be responsible for carrying out communication with PC or other network access devices 107 with network function.In practical application, this embedded gateway selects STM32f103VET6 in STM32f103 series as core processor, its external high speed 8Mhz and low speed 32.768khz crystal oscillator and BOOT circuit.The minimum system that STM32f103VET6, power module 105, clock module 108 and jtag interface 109 build, completes peripheral hardware and the program management of whole gateway.
As shown in Figure 2, the processor module of take selects STM32f103 series processors as example, and its workflow is specific as follows:
One, judgement serial/network data state, what judgement received is the serial data packet that subordinate computer node sends by serial communication module, or the network packet that network access device sends by ethernet communication module, if serial data packet, execution step (two) is to (five), if network packet, execution step (six) is to (nine).Two, the RTU pattern based on Modbus agreement resolves to clear data bag by serial data packet.Three, deposit the clear data bag after serial data packet parsing in data buffer storage.Four, call TCP/IP-lwIP protocol stack and send function, clear data bag is processed.Five, the network packet that meets ICP/IP protocol form is sent to network access device by ethernet communication module.Six, call network interface peripheral hardware and drive, network packet is converted to the data packet form that TCP/IP-lwIP agreement can be identified, be uploaded to processor module.Seven, calling TCP/IP-lwIP protocol stack resolves network packet.Eight, network packet is converted to clear data, deposits data buffer storage in.Nine, call the mainframe program based on Modbus agreement, clear data is converted to serial data frame by sending to subordinate computer node to serial communication module.
The technical scheme the utility model proposes has realized the mutual conversion between serial link data and network data, be convenient to realize the networking of industrial field device, equipment is operated under original running environment to be controlled with multiple extended mode, improve the system expandability, be conducive to the construction of large-scale control network implementation.
These are only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, can have various changes and variation.All any modifications of doing, be equal to replacement etc., within all should being included in protection range of the present utility model within spirit of the present utility model and principle.
Claims (5)
1. the embedded gateway based on Modbus and ICP/IP protocol conversion, is characterized in that, comprises serial communication module, ethernet communication module, processor module, display module and power module;
Described serial communication module is connected with processor module, for receiving and send serial data packet;
Described ethernet communication module is connected with processor module, for receiving and send network packet;
Described processor module is connected with display module, be used for based on Modbus serial protocol and ICP/IP protocol, accordingly the serial data packet of receiving and network packet are analyzed to judgement, serial data packet is converted to network packet, export to ethernet communication module, network packet is converted to serial data packet, exports to serial communication module, and related data is presented on display module in real time;
Described power module is connected with processor module, for input voltage is carried out to step-down processing, is different demand power supplies.
2. the embedded gateway based on Modbus and ICP/IP protocol conversion according to claim 1, is characterized in that, described serial communication module comprises RS232 interface and RS485 interface.
3. the embedded gateway based on Modbus and ICP/IP protocol conversion according to claim 1, is characterized in that, described ethernet communication module comprises RJ45 interface.
4. the embedded gateway based on Modbus and ICP/IP protocol conversion according to claim 1, is characterized in that, described processor module is selected STM32f103 series processors.
5. according to the embedded gateway based on Modbus and ICP/IP protocol conversion one of claim 1 to 4 Suo Shu, it is characterized in that, described display module is selected touching liquid-crystal display screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320528115.9U CN203445899U (en) | 2013-08-27 | 2013-08-27 | Embedded gateway based on Modbus and TCP/IP protocol conversion |
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| CN201320528115.9U CN203445899U (en) | 2013-08-27 | 2013-08-27 | Embedded gateway based on Modbus and TCP/IP protocol conversion |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506516A (en) * | 2014-12-19 | 2015-04-08 | 平顶山中选自控系统有限公司 | Gateway for conversion between Modbus RTU/ASCII (remote terminal unit/American standard code for information interchange) communication protocol and Modbus TCP (transmission control protocol) communication protocol and implementation method for gateway |
| CN104932995A (en) * | 2014-03-18 | 2015-09-23 | 上海斐讯数据通信技术有限公司 | RS485 bus-to-HBI bus system |
| CN115174308A (en) * | 2022-07-30 | 2022-10-11 | 湖南瑞菱科技有限公司 | Multi-path communication link method and integrated multifunctional controller |
| CN115766684A (en) * | 2021-09-02 | 2023-03-07 | 台州市海特自动控制技术有限公司 | Protocol conversion gateway |
-
2013
- 2013-08-27 CN CN201320528115.9U patent/CN203445899U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932995A (en) * | 2014-03-18 | 2015-09-23 | 上海斐讯数据通信技术有限公司 | RS485 bus-to-HBI bus system |
| CN104506516A (en) * | 2014-12-19 | 2015-04-08 | 平顶山中选自控系统有限公司 | Gateway for conversion between Modbus RTU/ASCII (remote terminal unit/American standard code for information interchange) communication protocol and Modbus TCP (transmission control protocol) communication protocol and implementation method for gateway |
| CN115766684A (en) * | 2021-09-02 | 2023-03-07 | 台州市海特自动控制技术有限公司 | Protocol conversion gateway |
| CN115174308A (en) * | 2022-07-30 | 2022-10-11 | 湖南瑞菱科技有限公司 | Multi-path communication link method and integrated multifunctional controller |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Embedded gateway based on Modbus and TCP/IP protocol conversion Effective date of registration: 20141204 Granted publication date: 20140219 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI FANTAI TECHNOLOGY Co.,Ltd. Registration number: 2014990001033 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181114 Granted publication date: 20140219 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI FANTAI TECHNOLOGY Co.,Ltd. Registration number: 2014990001033 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Embedded gateway based on Modbus and TCP/IP protocol conversion Effective date of registration: 20181114 Granted publication date: 20140219 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI FANTAI TECHNOLOGY Co.,Ltd. Registration number: 2018990001077 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |