CN107453915A - Internet of Things access system and method based on Modbus external interfaces - Google Patents
Internet of Things access system and method based on Modbus external interfaces Download PDFInfo
- Publication number
- CN107453915A CN107453915A CN201710707160.3A CN201710707160A CN107453915A CN 107453915 A CN107453915 A CN 107453915A CN 201710707160 A CN201710707160 A CN 201710707160A CN 107453915 A CN107453915 A CN 107453915A
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- Prior art keywords
- modbus
- internet
- modules
- field apparatus
- access system
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/069—Management of faults, events, alarms or notifications using logs of notifications; Post-processing of notifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/26—Special purpose or proprietary protocols or architectures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
Abstract
Internet of Things access system of the present invention based on Modbus external interfaces is related to the external communication interface specification and linking Internet technology of a kind of field apparatus with method；The system is by the first universal asynchronous receiving-transmitting transmitter, central processing unit, Modbus and WiFi state indicator modules, the second universal asynchronous receiving-transmitting transmitter, ESP8266WiFi modules and Android mobile phone APP program modules composition；The fault information collection and running log that this method combination field apparatus has had, the log of field apparatus and working condition are set up into standard Modbus protocol registers and stored, and the Modbus response frames for getting field apparatus are built into IP messages using the WiFi network of popularization, it is reliably connected with TCP and sends IP messages to remote server in real time, forms the continuous working condition of field apparatus and daily record of work；The present invention is not only convenient with the interface of field apparatus, and provides a kind of inexpensive and reliable linking Internet solution, while has parameter setting easily technical characterstic.
Description
Technical field
Internet of Things access system of the present invention based on Modbus external interfaces is related to a kind of outside of field apparatus with method
Communication interface specification and linking Internet technology.
Background technology
Technology of Internet of things is progressively applied to the industries such as industrial field device, intelligent home device and medicine equipment, and
With internet+go deep into, Internet of Things will provide low cost and easily data acquisition and control device.In current live equipment
In running, the running status of equipment generally stores on the spot, and the after-sale service and fault diagnosis for producer need scene to adjust
Log or the description of user of service are taken, because process is cumbersome or reports deviation, is unfavorable for quick positioning question and failure is examined
It is disconnected, and add equipment after service cost.
The content of the invention
In view of the above-mentioned problems, the invention discloses a kind of based on the Internet of Things access system of Modbus external interfaces and side
Method, it is not only convenient with the interface of field apparatus, and a kind of inexpensive and reliable linking Internet solution is provided, together
When there is parameter setting easily technical characterstic.
The purpose of the present invention is realized as follows：
Internet of Things access system based on Modbus external interfaces, 5V power supplys are provided by external equipment, it is general different by first
Step receiving-transmitting transmitter, central processing unit, Modbus and WiFi state indicator modules, the second universal asynchronous receiving-transmitting transmitter,
ESP8266WiFi modules and Android mobile phone APP program modules composition；
The first described universal asynchronous receiving-transmitting transmitter is used to complete the Modbus request of data to field apparatus slave station；
Described central processing unit is used to change communication protocol, completes parsing and restructuring to Modbus data messages, and
Build IP messages；
Described Modbus and WiFi state indicator modules be used to exporting Modbus communication states and WiFi module with it is long-range
The connection status of server；
The second described universal asynchronous receiving-transmitting transmitter is used to IP messages being sent to ESP8266WiFi modules；
Described ESP8266WiFi modules are used to be connected with remote server progress TCP and realize data penetration transmission；
Described Android mobile phone APP program modules are used to set SSID and Password, ensure ESP8266WiFi module energy
Enough access internet.
The above-mentioned Internet of Things access system based on Modbus external interfaces, Modbus is set to post using remote server program
Storage address, complete the long distance wireless data transfer of external equipment.
The above-mentioned Internet of Things access system based on Modbus external interfaces, it is TTL's to the data-interface that external equipment provides
Serial asynchronous communication, the interface to external equipment are standard Modbus communications protocol.
Realized more than in the Internet of Things access system based on Modbus external interfaces based on Modbus external interfaces
Internet of things access method, comprise the following steps：
Step a, SSID and Password is set by Android mobile phone APP program modules, enables ESP8266WiFi modules
Access internet；
Step b, remote server will receive heartbeat IP messages transmitted by access system, by the TCP connections of foundation,
Starting and termination in the multiple parameters and register list for the field apparatus for needing to gather is set using remote server program
Address, any setting range in the address list from 0x0000 to 0xNNNN, the register data 0xNNNN of acquisition is original two
Scale coding；
Step c, access system will utilize the first universal asynchronous receiving-transmitting transmitter to complete the Modbus to field apparatus slave station
Request of data, and responsive data frame is built into IP message contents and sent in real time to remote server；
Step d, in remote server, the combination of multibyte is carried out to original 0xNNNN binary data and decoding obtains
Corresponding physical quantity, while central processing unit is by the state of real-time detection ESP8266WiFi modules access internet and in suspension
Auto-reconnect automatic restarts being successfully transmitted for the measure of grade guarantee IP messages.
The present invention combines the fault information collection and running log that field apparatus has had, and the operation of field apparatus is remembered
Record and working condition are set up to be stored into standard Modbus protocol registers, and will be got now using the WiFi network of popularization
The Modbus response frames of field device are built into IP messages, can be reliably connected with TCP and send IP messages to remote server in real time,
Form the continuous working condition of field apparatus and daily record of work.Its advantage is：
Firstth, it is convenient with the interface of field apparatus：Modbus agreements are as puppy parc standard, most field apparatus
Support universal asynchronous receiving-transmitting transmitter interface, the convenient service data and working condition for obtaining field apparatus.
Secondth, inexpensive and reliable linking Internet：Data remote transmission is provided using existing WiFi network
Channel, communication link are not easy to be disturbed, are reliable and stable.
3rd, parameter setting is convenient：Only need that using cell phone application the access of internet can be completed, while pass through service
Device end program can remotely to acquisition parameter setting and control.
Brief description of the drawings
Fig. 1 is the Internet of Things access system module diagram of the invention based on Modbus external interfaces.
Fig. 2 is the Internet of things access method flow chart of the invention based on Modbus external interfaces.
In figure：1 first universal asynchronous receiving-transmitting transmitter, 2 central processing units, 3Modbus and Wi-Fi state indicator modules, 4
Second universal asynchronous receiving-transmitting transmitter, 5ESP8266WiFi modules, 6 Android mobile phone APP program modules.
Specific embodiment
The specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one
The present embodiment is the Internet of Things access system embodiment based on Modbus external interfaces.
The Internet of Things access system based on Modbus external interfaces of the present embodiment, module diagram are as shown in Figure 1.This is
System provides 5V power supplys by external equipment, by the first universal asynchronous receiving-transmitting transmitter 1, central processing unit 2, Modbus and WiFi states
6 groups of indicating module 3, the second universal asynchronous receiving-transmitting transmitter 4, ESP8266WiFi modules 5 and Android mobile phone APP program modules
Into；
The first described universal asynchronous receiving-transmitting transmitter 1 is used to complete the Modbus request of data to field apparatus slave station；
Described central processing unit 2 is used to change communication protocol, completes parsing and restructuring to Modbus data messages, and
Build IP messages；
Described Modbus and Wi-Fi state indicator modules 3 be used to exporting Modbus communication states and WiFi module with it is remote
The connection status of journey server；
The second described universal asynchronous receiving-transmitting transmitter 4 is used to IP messages being sent to ESP8266WiFi modules 5；
Described ESP8266WiFi modules 5 are used to be connected with remote server progress TCP and realize data penetration transmission；
Described Android mobile phone APP program modules 6 are used to set SSID and Password, ensure ESP8266WiFi modules 5
Have access to internet.
Specific embodiment two
The present embodiment is the Internet of Things access system embodiment based on Modbus external interfaces.
The Internet of Things access system based on Modbus external interfaces of the present embodiment, on the basis of specific embodiment one,
Further limit and Modbus register address is set using remote server program, the long distance wireless data for completing external equipment pass
It is defeated.Specific embodiment three
The present embodiment is the Internet of Things access system embodiment based on Modbus external interfaces.
The Internet of Things access system based on Modbus external interfaces of the present embodiment, on the basis of specific embodiment one,
The data-interface provided external equipment is further limited as TTL serial asynchronous communication, the interface to external equipment is standard
Modbus communications protocol.
Specific embodiment four
The present embodiment is the Internet of things access method embodiment based on Modbus external interfaces.
The present embodiment is the Internet of things access method based on Modbus external interfaces, in specific embodiment one, specific implementation
Realized on the basis of example two or specific embodiment three.The flow chart of this method is as shown in Fig. 2 comprise the following steps：
Step a, SSID and Password is set by Android mobile phone APP program modules 6, makes ESP8266WiFi modules 5
Have access to internet；
Step b, remote server will receive heartbeat IP messages transmitted by access system, by the TCP connections of foundation,
Starting and termination in the multiple parameters and register list for the field apparatus for needing to gather is set using remote server program
Address, any setting range in the address list from 0x0000 to 0xNNNN, the register data 0xNNNN of acquisition is original two
Scale coding；The register list of field apparatus is as follows：
The register list of field device
| Field apparatus register address | Content of registers |
| 0x0000 | 0xNNNN |
| 0x0001 | 0xNNNN |
| 0x0002 | 0xNNNN |
| … | … |
| 0xNNNN | 0xNNNN |
Step c, access system will complete Modbus to field apparatus slave station using the first universal asynchronous receiving-transmitting transmitter 1
Request of data, and responsive data frame is built into IP message contents and sent in real time to remote server；
Step d, in remote server, the combination of multibyte is carried out to original 0xNNNN binary data and decoding obtains
Corresponding physical quantity, while real-time detection ESP8266WiFi modules 5 are accessed the state of internet and in suspension by central processing unit 2
When Auto-reconnect or automatic restart being successfully transmitted for the measure of grade guarantee IP messages.
Claims (4)
1. the Internet of Things access system based on Modbus external interfaces, 5V power supplys are provided by external equipment, it is characterised in that by the
One universal asynchronous receiving-transmitting transmitter (1), central processing unit (2), Modbus and WiFi state indicator modules (3), second is general different
Walk receiving-transmitting transmitter (4), ESP8266WiFi modules (5) and Android mobile phone APP program modules (6) composition；
Described the first universal asynchronous receiving-transmitting transmitter (1) is used to complete the Modbus request of data to field apparatus slave station；
Described central processing unit (2) is used to change communication protocol, completes parsing and restructuring to Modbus data messages, and structure
Build IP messages；
Described Modbus and WiFi state indicator modules (3) are used to export Modbus communication states and WiFi module and long-range clothes
The connection status of business device；
Described the second universal asynchronous receiving-transmitting transmitter (4) is used to IP messages being sent to ESP8266WiFi modules (5)；
Described ESP8266WiFi modules (5) are used to be connected with remote server progress TCP and realize data penetration transmission；
Described Android mobile phone APP program modules (6) are used to set SSID and Password, ensure ESP8266WiFi modules (5)
Have access to internet.
2. the Internet of Things access system according to claim 1 based on Modbus external interfaces, it is characterised in that using far
Journey server program sets Modbus register address, completes the long distance wireless data transfer of external equipment.
3. the Internet of Things access system according to claim 1 based on Modbus external interfaces, it is characterised in that to peripheral hardware
The serial asynchronous communication that the standby data-interface provided is TTL, the interface to external equipment is standard Modbus communications protocol.
4. realized described in claim 1 in the Internet of Things access system based on Modbus external interfaces outside based on Modbus
The Internet of things access method of interface, it is characterised in that comprise the following steps：
Step a, SSID and Password is set by Android mobile phone APP program modules (6), makes ESP8266WiFi modules (5) energy
Enough access internet；
Step b, remote server will receive heartbeat IP messages transmitted by access system, pass through the TCP connections of foundation, utilize
Remote server program sets starting and termination address in the multiple parameters and register list of the field apparatus for needing to gather,
Any setting range in address list from 0x0000 to 0xNNNN, the register data 0xNNNN of acquisition compile for original binary
Code；
Step c, access system will utilize the first universal asynchronous receiving-transmitting transmitter (1) to complete the Modbus numbers to field apparatus slave station
According to request, and responsive data frame is built into IP message contents and sent in real time to remote server；
Step d, in remote server, the combination of multibyte is carried out to original 0xNNNN binary data and decoding obtains correspondingly
Physical quantity, while central processing unit (2) will detect the state of ESP8266WiFi modules (5) access internet in real time and in suspension
When Auto-reconnect or automatic restart being successfully transmitted for the measure of grade guarantee IP messages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707160.3A CN107453915A (en) | 2017-08-17 | 2017-08-17 | Internet of Things access system and method based on Modbus external interfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707160.3A CN107453915A (en) | 2017-08-17 | 2017-08-17 | Internet of Things access system and method based on Modbus external interfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107453915A true CN107453915A (en) | 2017-12-08 |
Family
ID=60491457
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707160.3A Withdrawn CN107453915A (en) | 2017-08-17 | 2017-08-17 | Internet of Things access system and method based on Modbus external interfaces |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104362A (en) * | 2018-10-13 | 2018-12-28 | 南京吉目希自动化科技有限公司 | A kind of industrial data collection gateway |
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| CN106530656A (en) * | 2016-11-10 | 2017-03-22 | 常州大学怀德学院 | Portable acquisition system on basis of MODBUS protocols |
| CN106713480A (en) * | 2017-01-06 | 2017-05-24 | 常熟开关制造有限公司(原常熟开关厂） | Communication device for circuit breaker monitoring |
| CN106790222A (en) * | 2017-01-12 | 2017-05-31 | 重庆邮电大学 | A kind of MODBUS/ interconnects manufacture network information service adapter and its implementation entirely |
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2017
- 2017-08-17 CN CN201710707160.3A patent/CN107453915A/en not_active Withdrawn
Patent Citations (6)
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|---|---|---|---|---|
| CN102946447A (en) * | 2012-12-11 | 2013-02-27 | 西南大学 | Long-distance data transmission system and long-distance data transmission method of commercial plant |
| US20150381642A1 (en) * | 2014-06-30 | 2015-12-31 | Electronics And Telecommunications Research Institute | Abnormal traffic detection apparatus and method based on modbus communication pattern learning |
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| CN106530656A (en) * | 2016-11-10 | 2017-03-22 | 常州大学怀德学院 | Portable acquisition system on basis of MODBUS protocols |
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| CN109104362A (en) * | 2018-10-13 | 2018-12-28 | 南京吉目希自动化科技有限公司 | A kind of industrial data collection gateway |
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Application publication date: 20171208 |