CN109884971A - Long-range control method, apparatus and system - Google Patents
Long-range control method, apparatus and system Download PDFInfo
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- CN109884971A CN109884971A CN201910135890.XA CN201910135890A CN109884971A CN 109884971 A CN109884971 A CN 109884971A CN 201910135890 A CN201910135890 A CN 201910135890A CN 109884971 A CN109884971 A CN 109884971A
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Abstract
The invention discloses a kind of long-range control method, apparatus and system, which includes: the request that the foundation of server receiving terminal transmission is communicated with HMI；The server obtains the data of the HMI, which is and the data of the HMI PLC connecting；The server sends the data of the HMI to the terminal；The server receives the control command that the terminal is sent according to the data, which is the control operational order to the PLC；The server sends the control command to the HMI.The long-range control method is by using server as bridge, to realize that terminal remotely controls live PLC, overcome the technical issues of needing frequent upgrading terminals application program when terminal directly controls scene PLC by serial communication mode in the prior art, the operation in the remote controlled PLC of terminal is realized, and facilitates control.The present invention is widely used in industrial stokehold.
Description
Technical field
The present invention relates to technical field of industrial control, more particularly, to a kind of long-range control method, apparatus and system.
Background technique
HMI: man-machine interface, this text refer to the touch screen of human-computer interaction used in Industry Control scene.HMI has net abundant
Network interface, including WIFI, LAN and mobile operator network etc..
In field of industrial automation control, PLC (programmable logic controller (PLC)) is a kind of specialized application in industrial environment
Lower digital operation system, controlled by digital or analog input and output various types of mechanical equipments or
Production process.HMI is the medium interacted between system and user with information exchange, and HMI is connected by specific protocol and PLC
It connects, it may be convenient to the interaction of people and machine information is realized, to facilitate the monitoring and operation of some production processes.
PLC does not have network savvy generally, and typical remote control application is to write application program in terminal, passes through serial ports
Transparent transmission tool connects long-range monitoring, the operation that PLC realizes equipment.If the input of scene PLC, output have increase and decrease, terminal needs
Application program is modified, is issued again.Terminal, which may be because, not to be upgraded in time and cannot achieve normal remote monitoring function.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of long-range control method, apparatus and system that convenience remotely controls live PLC.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provides a kind of long-range control method, which includes: server receiving terminal
The request that the foundation of transmission is communicated with HMI；The server obtains the data of the HMI, which is with the HMI PLC's connecting
Data；The server sends the data of the HMI to the terminal；The server receives the control that the terminal is sent according to the data
Order, the control command are the control operational order to the PLC；The server sends the control command to the HMI.
Wherein, the step of request that the foundation which sends is communicated with HMI, comprising: the server connects
It receives the unique identifier of the HMI of terminal transmission and obtains the request of the data of the HMI.
Wherein, the step: the server obtains the step of data of the HMI, comprising: the server should according to the HMI's
Unique identifier and the HMI, which are established, to be communicated to connect；The server obtains the number of the HMI by scheduled Data Transport Protocol
According to.
Wherein, the step: the server obtains the data of the HMI by scheduled Data Transport Protocol, comprising: the clothes
Business device periodically obtains and the configuration data of the HMI PLC connecting.
Wherein, the step: the server sends the data of the HMI to the terminal, comprising: the server is sent to the terminal
The configuration data and variable list of the HMI, the configuration data and the variable list are so that the terminal shows that the configuration of the HMI is drawn
Face.
Second aspect, the present invention provide a kind of remote control apparatus, the remote control apparatus include first communication module and
Second communication module；The first communication module obtains the data of the HMI, which is and the HMI for being communicated with HMI
The data of the PLC of connection；The second communication module sends the data of the HMI to the terminal for being communicated with terminal,
And the control command that the terminal is sent according to the data is received, which is the control operational order to the PLC；This first
Communication module is also used to send the control command to the HMI.
The third aspect, the present invention provide a kind of tele-control system, which includes PLC, HMI, server
And terminal；The HMI, for being communicated respectively with the PLC and the server；The server, for respectively with the HMI and this
Terminal is communicated；The terminal, for receiving the data of the HMI by the server, and being sent according to the data to the HMI should
Control command, the control command are the control operational order to the PLC.
Wherein, which is used to receive the unique identifier of the HMI of terminal transmission, what foundation was communicated with the HMI
Request.
Wherein, which is used to obtain the data of the HMI by scheduled Data Transport Protocol, which is and this
The configuration data of the PLC of HMI connection.
Wherein, which is used to send the configuration data and variable list of the HMI to the terminal, the configuration data and should
So that the terminal shows the configuration picture of the HMI, which is used to send the control command according to the configuration picture variable list.
The technical solution of the embodiment of the present invention by using server as bridge, to realize terminal to live PLC
It is remotely controlled, overcomes and need frequently upgrading when terminal directly controls scene PLC by serial communication mode in the prior art
The technical issues of end application, realizes the operation in the remote controlled PLC of terminal, and facilitates control.
Further, the unique identifier that the present invention also passes through HMI identifies different PLC, to realize a terminal control
Make the operation of multiple PLC.
In addition, server of the invention also carries out the data of transmission HMI to terminal by scheduled Data Transport Protocol, pass
Defeated rate is fast, and the effect for directly controlling the operation of PLC is experienced in terminal side.
The present invention is widely used in industrial stokehold.
Detailed description of the invention
Fig. 1 is the flow diagram of an embodiment of long-range control method of the present invention；
Fig. 2 is the structural schematic diagram of an embodiment of remote control apparatus of the present invention；
Fig. 3 is the structural schematic diagram of an embodiment of tele-control system of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Embodiment one:
Referring to Fig. 1, Fig. 1 is the flow diagram of an embodiment of long-range control method of the present invention.As shown in Figure 1, Fig. 1
Method comprising steps of
S11: the request that the foundation that server receiving terminal is sent is communicated with HMI；
In step s 11, the request of the data of the unique identifier and acquisition HMI for the HMI that server receiving terminal is sent.
Wherein, server can be communicated with multiple HMI, and different HMI is distinguished by the unique identifier.
Wherein, server can be Cloud Server or other servers.Terminal can be the mobile terminals such as mobile phone or individual
Computer is equipped with application software at the terminal and is communicated with the communication software of the server.
Wherein, the application software of terminal judge local data whether the Data Matching with HMI, if it fails to match, to
Server sends the request for obtaining the data of HMI.
S12: the server obtains the data of the HMI；
In step s 12, the data of HMI are and the data of the HMI PLC connecting.Wherein, to be equipped with configuration on HMI soft
Part, the configuration software show the data of PLC and graphical service model in the form of configuration, are presented to behaviour intuitively, with open arms
Make personnel.
The HMI obtains the data of PLC by wired communication modes such as RS485 or CAN or Ethernets.
Wherein, which establishes according to the unique identifier and HMI of HMI and communicates to connect, and server passes through scheduled number
The data of the HMI are obtained according to transport protocol.
Wherein, scheduled Data Transport Protocol can be the File Transfer Protocol such as FTP.
Wherein, server periodically obtains the configuration data for the PLC connecting with HMI.
S13: the server sends the data of the HMI to the terminal；
Wherein, which sends the configuration data and variable list of the HMI, the configuration data and the variable to the terminal
List is so that the terminal shows the configuration picture of the HMI.
S14: the server receives the control command that the terminal is sent according to the data；
Wherein, which is the control operational order to the PLC.
S15: the server sends the control command to the HMI.
Wherein, after HMI receives the control command, which is sent to PLC, with the operation of control PLC.
In the present embodiment, by using server as bridge, to realize that terminal remotely controls live PLC
System overcomes and needs frequent upgrading terminals application journey when terminal directly controls scene PLC by serial communication mode in the prior art
The technical issues of sequence, realizes the operation in the remote controlled PLC of terminal, and facilitates control.
Further, the unique identifier that the present invention also passes through HMI identifies different PLC, to realize a terminal control
Make the operation of multiple PLC.
In addition, server of the invention also carries out the data of transmission HMI to terminal by scheduled Data Transport Protocol, pass
Defeated rate is fast, and the effect for directly controlling the operation of PLC is experienced in terminal side.
Embodiment two:
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of an embodiment of remote control apparatus of the present invention.As shown in Fig. 2, should
Remote control apparatus includes first communication module 21 and second communication module 22.
First communication module 21 obtains the data of the HMI, which is to connect with the HMI for being communicated with HMI
PLC data；
Second communication module 22 sends the data of the HMI to the terminal for being communicated with terminal, and receiving should
The control command that terminal is sent according to the data, the control command are the control operational order to the PLC；
First communication module 21 is also used to send the control command to the HMI.
Optionally, first communication module 21 and second communication module 22 are set on the same server.
At work, second communication module 22 receives the foundation and HMI that terminal is sent to the remote control apparatus of the present embodiment
The request of communication, first communication module 21 obtain the data of the HMI, and second communication module 22 sends the number of the HMI to the terminal
According to, and the control command that the terminal is sent according to the data is received, first communication module 21 sends the control command to the HMI.
Embodiment three:
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of an embodiment of tele-control system of the present invention.As shown in figure 3, should
Tele-control system includes terminal 31, server 32, HMI33 and PLC34.
HMI33, for being communicated respectively with PLC34 and server 32；
Server 32, for being communicated respectively with HMI33 and terminal 31；
Terminal 31 for receiving the data of HMI33 by server 32, and sends the control to HMI33 according to the data
Order, the control command are the control operational order to PLC34.
Wherein, HMI33 and PLC34 can be one or more, i.e., a terminal 31 can control multiple PLC34
System.
Specifically, the control method of the tele-control system is with the long-range control method of embodiment one, and details are not described herein.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of long-range control method characterized by comprising
The request that the foundation that server receiving terminal is sent is communicated with HMI；
The server obtains the data of the HMI, and the data are and the data of the HMI PLC connecting；
The server sends the data of the HMI to the terminal；
The server receives the control command that the terminal is sent according to the data, and the control command is to the PLC
Control operational order；
The server sends the control command to the HMI.
2. long-range control method according to claim 1, which is characterized in that the foundation that the server receiving terminal is sent
The step of request communicated with HMI, comprising:
The server receives the unique identifier for the HMI that the terminal is sent and obtains the data of the HMI
Request.
3. long-range control method according to claim 2, which is characterized in that the step: described in the server obtains
The step of data of HMI, comprising:
The server is established according to the unique identifier of the HMI and the HMI and is communicated to connect；
The server obtains the data of the HMI by scheduled Data Transport Protocol.
4. long-range control method according to claim 3, which is characterized in that the step: the server passes through predetermined
Data Transport Protocol obtain the data of the HMI, comprising:
The server periodically obtains the configuration data for the PLC connecting with the HMI.
5. long-range control method according to any one of claims 1 to 4, which is characterized in that the step: the service
Device sends the data of the HMI to the terminal, comprising:
The server sends the configuration data and variable list of the HMI, the configuration data and the change to the terminal
List is measured so that the terminal shows the configuration picture of the HMI.
6. a kind of remote control apparatus, which is characterized in that including first communication module and second communication module；
The first communication module obtains the data of the HMI, the data are and the HMI for being communicated with HMI
The data of the PLC of connection；
The second communication module, for being communicated with terminal, Xiang Suoshu terminal sends the data of the HMI, and connects
The control command that the terminal is sent according to the data is received, the control command is the control operational order to the PLC；
The first communication module is also used to send the control command to the HMI.
7. a kind of tele-control system, which is characterized in that including PLC, HMI, server and terminal；
The HMI, for being communicated respectively with the PLC and the server；
The server, for being communicated respectively with the HMI and the terminal；
The terminal is sent for receiving the data of the HMI by the server, and according to the data to the HMI
The control command, the control command are the control operational order to the PLC.
8. tele-control system according to claim 7, which is characterized in that the server is for receiving the terminal hair
The unique identifier of the HMI sent establishes the request communicated with the HMI.
9. tele-control system according to claim 8, which is characterized in that the server is for passing through scheduled data
Transport protocol obtains the data of the HMI, and the data are and the configuration data of the HMI PLC connecting.
10. according to tele-control system described in claim 7 to 9 any one, which is characterized in that the server be used for
The terminal sends the configuration data and variable list of the HMI, the configuration data and the variable list so that the end
End shows that the configuration picture of the HMI, the terminal are used to send the control command according to the configuration picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135890.XA CN109884971A (en) | 2019-02-20 | 2019-02-20 | Long-range control method, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135890.XA CN109884971A (en) | 2019-02-20 | 2019-02-20 | Long-range control method, apparatus and system |
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| CN109884971A true CN109884971A (en) | 2019-06-14 |
Family
ID=66929138
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| CN201910135890.XA Pending CN109884971A (en) | 2019-02-20 | 2019-02-20 | Long-range control method, apparatus and system |
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Cited By (3)
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| CN110888388A (en) * | 2019-11-22 | 2020-03-17 | 北京法玛碧欧技术有限公司 | Multi-user management system based on human-computer interface |
| CN111045379A (en) * | 2019-12-25 | 2020-04-21 | 深圳市显控科技股份有限公司 | Equipment remote monitoring method and system |
| CN113625654A (en) * | 2021-08-13 | 2021-11-09 | 杭州航民达美染整有限公司 | Industrial equipment remote control method and device based on PLC |
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Application publication date: 20190614 |
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