CN108600309A - A kind of PLC device operational system based on DTU transparent transmissions - Google Patents
A kind of PLC device operational system based on DTU transparent transmissions Download PDFInfo
- Publication number
- CN108600309A CN108600309A CN201810232759.0A CN201810232759A CN108600309A CN 108600309 A CN108600309 A CN 108600309A CN 201810232759 A CN201810232759 A CN 201810232759A CN 108600309 A CN108600309 A CN 108600309A
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- China
- Prior art keywords
- dtu
- data
- plc
- cloud server
- tool assemblies
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Classifications
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- 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
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/606—Protecting data by securing the transmission between two devices or processes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- 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
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Abstract
The invention discloses a kind of PLC device operational systems based on DTU transparent transmissions, including PLC device, DTU, cloud server, client PC end, the programming port of the PLC device is connected with the downlink serial interface of DTU, DTU is connected by GPRS network with cloud server, DTU tool assemblies are installed on the client PC end, DTU tool assemblies are connected by network with cloud server, PLC programming softwares, the virtual serial port that PLC programming softwares connection DTU tool assemblies are created are also equipped on the client PC end.The present invention is not in the case where destroying PLC program; serial data is converted into IP data; utilize the Internet transmission PLC program; breaking device territory restriction, user's access authority certification, transmission process data encryption; prevent malice falsification PLC program; equipment normal operation is protected, while easy to use, reduces O＆M cost.
Description
【Technical field】
The present invention relates to the technical fields of PLC device, the especially technical field of PLC device operational system.
【Background technology】
Technology of Internet of things is developed so far, and pushes technological revolution again and again, and extending outwardly as internet, from single
Person to person interconnect, the earth becomes the communication way in village, is quickly transferred between object and object, people and object.
Internet of Things has become hot spot in the development of industry control industry, and industrial equipment has standard rs232/rs485 communications mostly
Interface, and be dispersed in each control area, in the past if it is desired to these are dispersed in the apparatus management/control of different zones, almost
Do not accomplish, if necessary to safeguard, the time of that maintenance personnel often on the way is more than the time at real scene, in order to improve effect
Rate, enterprise may increase manpower, indirectly improve O＆M cost, and event risk is unable to control substantially.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of PLC device O＆M based on DTU transparent transmissions
System can make the O＆M of PLC device become convenient, improve efficiency, reduce cost.
To achieve the above object, the present invention proposes a kind of PLC device operational system based on DTU transparent transmissions, including PLC is set
Standby, DTU, cloud server, client PC end, the programming port of the PLC device are connected with the downlink serial interface of DTU, and DTU passes through
GPRS network is connected with cloud server, and DTU tool assemblies are equipped on the client PC end, and DTU tool assemblies pass through network
It is connected with cloud server, PLC programming softwares is also equipped on the client PC end, PLC programming softwares connects DTU tool assemblies
The virtual serial port created, there are following data interactive modes between various components：
A) data interaction between PLC programming softwares and DTU tool assemblies：PLC programming softwares can be incited somebody to action by virtual serial port
PLC program data are transferred to DTU tool assemblies, and it is soft that the data from high in the clouds can be also transferred to PLC programmings by DTU tool assemblies
Part；
B) data interaction between DTU tool assemblies and cloud server：It is soft that DTU tool assemblies can will come from PLC programmings
Data from DTU can be also transferred to DTU tool groups by the data of part by network transmission to cloud server, cloud server
Part；
C) data interaction between cloud server and DTU：Cloud server can will be passed from the data of DTU tool assemblies
It is defeated by DTU, the data from PLC device can be also transferred to cloud server by DTU；
D) data interaction between DTU and PLC device：Data from cloud server can be transferred to PLC and set by DTU
Standby, PLC device also can be by the operation data of itself and operation program transportation to DTU.
Preferably, the DTU tool assemblies by encryption and will be converted into IP from the serial data of PLC programming softwares
Cloud server is transmitted further to after data, the IP data from high in the clouds are decrypted and are converted into serial ports number by DTU tool assemblies
PLC programming softwares are transmitted further to after.
Preferably, the IP data from high in the clouds are decrypted and are transmitted further to after being converted into serial data by the DTU
Serial data from PLC device is transmitted further to cloud server by PLC device, DTU after encrypting and being converted into IP data.
Preferably, the DTU tool assemblies are needed before operation by user right certification, and just generate after operation
Virtual serial port.
Preferably, the DTU tool assemblies be transferred in the data in high in the clouds include target DTU information, DTU transmission
To the information in the data in high in the clouds including target DTU components.
Preferably, the same client PC end can correspond to multiple PLC devices simultaneously, a PLC device only can be right simultaneously
Answer a client PC end.
Beneficial effects of the present invention：The present invention is converted into IP numbers in the case where not destroying PLC program, serial data
According to, using the Internet transmission PLC program, breaking device territory restriction, user's access authority certification, transmission process data encryption,
Malice falsification PLC program is prevented, equipment normal operation is protected, while easy to use, reduces O＆M cost.
The feature and advantage of the present invention will be described in detail by embodiment.
【Specific implementation mode】
A kind of PLC device operational system based on DTU transparent transmissions of the present invention, including PLC device, DTU, cloud server, visitor
The family ends PC, the programming port of the PLC device are connected with the downlink serial interface of DTU, and DTU passes through GPRS network and cloud server
It is connected, DTU tool assemblies is installed, DTU tool assemblies are connected by network with cloud server, described on the client PC end
PLC programming softwares are also equipped on client PC end, the virtual serial port that PLC programming softwares connection DTU tool assemblies are created is each
There are following data interactive modes between component：
A) data interaction between PLC programming softwares and DTU tool assemblies：PLC programming softwares can be incited somebody to action by virtual serial port
PLC program data are transferred to DTU tool assemblies, and it is soft that the data from high in the clouds can be also transferred to PLC programmings by DTU tool assemblies
Part；
B) data interaction between DTU tool assemblies and cloud server：It is soft that DTU tool assemblies can will come from PLC programmings
Data from DTU can be also transferred to DTU tool groups by the data of part by network transmission to cloud server, cloud server
Part；
C) data interaction between cloud server and DTU：Cloud server can will be passed from the data of DTU tool assemblies
It is defeated by DTU, the data from PLC device can be also transferred to cloud server by DTU；
D) data interaction between DTU and PLC device：Data from cloud server can be transferred to PLC and set by DTU
Standby, PLC device also can be by the operation data of itself and operation program transportation to DTU.
The DTU tool assemblies by the serial data from PLC programming softwares after encrypting and being converted into IP data again
It is transferred to cloud server, the IP data from high in the clouds are decrypted and are converted into passing again after serial data by DTU tool assemblies
PLC programming softwares are defeated by, the IP data from high in the clouds are decrypted and are transmitted further to after being converted into serial data by the DTU
Serial data from PLC device is transmitted further to cloud server by PLC device, DTU after encrypting and being converted into IP data,
The DTU tool assemblies are needed before operation by user right certification, and just generate virtual serial port after operation, the DTU
Tool assembly be transferred in the data in high in the clouds include target DTU information, it includes target that DTU, which is transferred in the data in high in the clouds,
The information of DTU components, the same client PC end can correspond to multiple PLC devices simultaneously, and a PLC device can only correspond to one simultaneously
A client PC end.
The course of work of the present invention：
A kind of PLC device operational system based on DTU transparent transmissions of the present invention is during the work time in the feelings for not destroying PLC program
Under condition, serial data is converted into IP data, utilizes the Internet transmission PLC program, breaking device territory restriction, user's access right
Certification is limited, transmission process data encryption prevents malice falsification PLC program, protects equipment normal operation, while easy to use, drop
Low O＆M cost.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of PLC device operational system based on DTU transparent transmissions, it is characterised in that：Including PLC device, DTU, cloud server,
Client PC end, the programming port of the PLC device are connected with the downlink serial interface of DTU, and DTU passes through GPRS network and cloud service
Device is connected, and DTU tool assemblies is equipped on the client PC end, DTU tool assemblies are connected by network with cloud server, institute
It states and is also equipped with PLC programming softwares on client PC end, the virtual serial port that PLC programming softwares connection DTU tool assemblies are created, respectively
There are following data interactive modes between a component：
A) data interaction between PLC programming softwares and DTU tool assemblies：PLC programming softwares can be by virtual serial port by PLC journeys
For ordinal number according to DTU tool assemblies are transferred to, the data from high in the clouds can be also transferred to PLC programming softwares by DTU tool assemblies；
B) data interaction between DTU tool assemblies and cloud server：DTU tool assemblies can will be from PLC programming softwares
Data from DTU can be also transferred to DTU tool assemblies by data by network transmission to cloud server, cloud server；
C) data interaction between cloud server and DTU：Data from DTU tool assemblies can be transferred to by cloud server
Data from PLC device can be also transferred to cloud server by DTU, DTU；
D) data interaction between DTU and PLC device：Data from cloud server can be transferred to PLC device, PLC by DTU
Equipment also can be by the operation data of itself and operation program transportation to DTU.
2. a kind of PLC device operational system based on DTU transparent transmissions as described in claim 1, it is characterised in that：The DTU works
Serial data from PLC programming softwares is transmitted further to cloud server by tool component after encrypting and being converted into IP data,
IP data from high in the clouds are decrypted and are converted into being transmitted further to PLC programming softwares after serial data by DTU tool assemblies.
3. a kind of PLC device operational system based on DTU transparent transmissions as described in claim 1, it is characterised in that：The DTU will
IP data from high in the clouds are decrypted and are transmitted further to PLC device after being converted into serial data, and DTU will be from PLC device
Serial data is transmitted further to cloud server after encrypting and being converted into IP data.
4. a kind of PLC device operational system based on DTU transparent transmissions as described in claim 1, it is characterised in that：The DTU works
Tool component is needed before operation by user right certification, and just generates virtual serial port after operation.
5. a kind of PLC device operational system based on DTU transparent transmissions as described in claim 1, it is characterised in that：The DTU works
Tool component be transferred in the data in high in the clouds include target DTU information, it includes target that DTU, which is transferred in the data in high in the clouds,
The information of DTU components.
6. a kind of PLC device operational system based on DTU transparent transmissions as described in claim 1, it is characterised in that：The same visitor
The family ends PC can correspond to multiple PLC devices simultaneously, and a PLC device can only correspond to a client PC end simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232759.0A CN108600309A (en) | 2018-03-21 | 2018-03-21 | A kind of PLC device operational system based on DTU transparent transmissions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232759.0A CN108600309A (en) | 2018-03-21 | 2018-03-21 | A kind of PLC device operational system based on DTU transparent transmissions |
Publications (1)
| Publication Number | Publication Date |
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| CN108600309A true CN108600309A (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810232759.0A Pending CN108600309A (en) | 2018-03-21 | 2018-03-21 | A kind of PLC device operational system based on DTU transparent transmissions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209107A (en) * | 2019-05-10 | 2019-09-06 | 宁波安信数控技术有限公司 | A kind of method and system by DTU remote debugging PLC device |
| CN111506013A (en) * | 2020-04-08 | 2020-08-07 | 上海汉枫电子科技有限公司 | P L C device remote data communication implementation method based on virtual serial port |
| CN112255962A (en) * | 2020-10-30 | 2021-01-22 | 浙江佳乐科仪股份有限公司 | PLC programming system based on artificial intelligence |
| CN117544609A (en) * | 2024-01-09 | 2024-02-09 | 广州美凯信息技术股份有限公司 | Data transmission method of serial port transmission system based on KVM control |
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Application publication date: 20180928 |