CN109302476A - A kind of PLC program upgrade method and system based on mobile terminal - Google Patents
A kind of PLC program upgrade method and system based on mobile terminal Download PDFInfo
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- CN109302476A CN109302476A CN201811155380.0A CN201811155380A CN109302476A CN 109302476 A CN109302476 A CN 109302476A CN 201811155380 A CN201811155380 A CN 201811155380A CN 109302476 A CN109302476 A CN 109302476A
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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
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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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
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stored Programmes (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a kind of PLC program upgrade method and system based on mobile terminal, the PLC program upgrade method based on mobile terminal, include the following steps: that server receives the program upgrade request that mobile terminal is sent, described program upgrade request includes the PLC device information mutually bound with the mobile terminal；The status information for obtaining the PLC device mutually bound with the mobile terminal judges whether the PLC device meets scalable condition according to the status information；If the PLC device meets scalable condition, program file to be upgraded is transmitted to the PLC device.The present invention is based on mobile terminals to carry out program upgrading to PLC device, is not limited by local PC, can carry out program upgrading whenever and wherever possible, operated more convenient.
Description
Technical field
The present invention relates to PLC technology field, especially a kind of PLC program upgrade method and system based on mobile terminal.
Background technique
PLC, Chinese are programmable logic controller (PLC), are a kind of programmable controllers applied in industrial system
Part, storage executes the instruction of the operations such as logical operation, sequential control, timing, counting and arithmetical operation inside it, passes through number
Formula or analog input and output control various types of mechanical equipments or production process, are the most frequently used in present industrial system
One of control device.
With the deep development of industry 4.0, the demand of the especially industrial Internet of Things of Internet of Things is more more and more intense, real time monitoring
The working condition of remote equipment and remote software upgrade are always to perplex everybody problem, and numerous PLC device working environments are complicated,
Engineer is needed to debug to scene once breaking down, and malfunction elimination is difficult, the investigation period is long, thus brings
Very high maintenance cost.In addition, if system, which needs to upgrade, must just disassemble PLC, existing upgrading mode is by PLC
It is connect by data downloading wire with local PC, upgrade procedure is installed in PLC by local PC.
This upgrading mode needs to complete with local PC cooperation, can not such as be connected with local PC, then be unable to complete upgrading, and
It is limited to the use environment of local PC, can not accomplish to be upgraded whenever and wherever possible, bring inconvenience.And in fact, such as
The function of the mobile terminals such as mobile phone is stronger and stronger, can only can also pass through movement now by the task that computer is completed before very much
Terminal is completed, and mobile phone is easy to carry, can be monitored whenever and wherever possible and more new procedures.It is based on therefore, it is necessary to provide one kind
The PLC program upgrade method of mobile terminal.
Summary of the invention
The present invention provides a kind of PLC program upgrade method and system based on mobile terminal, solves existing PLC program upgrading
Limited, inconvenient problem.
According to the first aspect of the invention, the present invention provides a kind of PLC program upgrade method based on mobile terminal, including
Following steps: server receives the program upgrade request that mobile terminal is sent, and described program upgrade request includes and the movement
The PLC device information that terminal is mutually bound；The status information for obtaining the PLC device mutually bound with the mobile terminal, according to described in
Status information, judges whether the PLC device meets scalable condition；If the PLC device meets scalable condition, to described
PLC device transmits program file to be upgraded.
Preferably, the status information is used to characterize the working condition of PLC device, when the PLC device is in idle shape
When state, determine that the PLC device meets scalable condition.
Preferably, described program file is transmitted frame by frame, when described program file Transmission, records interruption position
File frame judges whether the PLC device meets scalable condition after communication restores again, if PLC device satisfaction can
Promotion condition continues transfer program file from interruption position.
Preferably, after the completion of program file upgrades, recorded file frame information is removed.
Preferably, it when the PLC device meets scalable condition, establishes PLC device and is set with online third party's terminal
Communication between standby, transmits program file to be upgraded to the PLC device from third party's terminal device.
Preferably, third party's terminal device is circumscribed with program read module, and described program read module is for will be to
The program file of upgrading is converted to HEX file and is stored in third party's terminal device.
Preferably, described program file is uploaded to server by third party's terminal device in advance.
Preferably, further include following steps: receiving the inquiry request of mobile terminal, the inquiry request includes specified
PLC device information, obtains the status information of specified PLC device, and by the status information feedback to mobile terminal.
Preferably, the PLC device is circumscribed with program download module, and PLC device is realized based on described program download module
Communication.
According to the second aspect of the invention, the present invention provides a kind of PLC program upgrade-system based on mobile terminal, including
Server, mobile terminal and PLC device, the server are configured to: receiving the program upgrade request that mobile terminal is sent, institute
Stating program upgrade request includes the PLC device information mutually bound with the mobile terminal；Acquisition is mutually bound with the mobile terminal
The status information of PLC device judge whether the PLC device meets scalable condition according to the status information；If described
PLC device meets scalable condition, and program file to be upgraded is transmitted to the PLC device.
In the present invention, the mobile terminal binding of user has corresponding PLC device, and user can be issued at any time by mobile terminal
Upgrade request, server respond the upgrade request of user, judge whether corresponding PLC device meets scalable condition, meeting
When scalable condition, to PLC device carry out program upgrading, without reconnect local PC, do not limited by local PC, can at any time with
Ground carries out program upgrading, operates more convenient.
Meanwhile the present invention has the further advantage that client is only capable of the PLC device that access has been bound, the PLC of other clients is set
It is standby to access, good confidentiality；Upgrade file is transmitted frame by frame, has the function of breakpoint transmission, is not had to after interrupting transmission
It re-downloads, solves the case where causing program that can not download because of poor signal；Two kinds of sides are waken up using heartbeat packet and short message
Formula command program downloader connect cloud server, that is, reduce power consumption, in turn ensure client's emergency connection equipment and
Shi Xing.
Detailed description of the invention
Fig. 1 is the flow chart of the PLC program upgrade method based on mobile terminal of an embodiment of the present invention；
Fig. 2 is the flow chart of the PLC program upgrade method having no progeny in the transmission of an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the PLC program upgrade-system based on mobile terminal of an embodiment of the present invention.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
The embodiment of the present invention provides a kind of PLC program upgrade method based on mobile terminal, is what this method was applicable in
In system, server is connected with mobile terminal communication, and PLC device is connected by external communication module with server, mobile terminal
It specifically can be the equipment such as mobile phone, tablet computer, smartwatch.This method is illustrated from server side, as shown in Figure 1,
Include the following steps:
S101: server receive mobile terminal send program upgrade request, described program upgrade request include with it is described
The PLC device information that mobile terminal is mutually bound.
Mobile terminal is equipped with preset application program, and user is by account login application program, thus with server phase
Even.Request upgrade function is provided in application program, user can click corresponding function button, and mobile terminal sends out program
Upgrade request.PLC device realizes wireless telecommunications by external program download module, and S I M card can be used in program download module
Communicate wirelessly, the account of user can binding procedure download module S I M card card number or telephone number.Server is receiving
To after program upgrade request, that is, know to need to carry out program upgrading to the PLC device of binding.The account of user can bind multiple
PLC device, can request to by PLC device simultaneously upgrade, or specify a PLC device upgraded, then take
Business device can parse PLC device specified by user from program upgrade request.
S102: the status information for obtaining the PLC device mutually bound with the mobile terminal is sentenced according to the status information
Whether the PLC device of breaking meets scalable condition.
The program download module being connected with PLC device can obtain the status information of PLC device, and by the status information of acquisition
Server is fed back to, server will judge whether PLC device can upgrade according to the status information.Here state letter
The working condition of breath characterization PLC device, if for idle or working condition.Whether meeting scalable condition will believe according to state
Breath judged, meanwhile, should also meet primary condition, for example, whether PLC device connect with server, if PLC device without
Method is connected with server, and identification is unsatisfactory for scalable condition, then can not carry out program upgrading.Furthermore server can obtain PLC and set
Standby program version number is also assert discontented if the program version of PLC device is identical as the program version of the newest publication of server
Can promotion condition, then do not execute subsequent step.
S103: if the PLC device meets scalable condition, program file to be upgraded is transmitted to the PLC device.
When PLC device meets scalable condition, server will transmit program file to be upgraded to PLC device, and PLC is set
It is standby that the program file downloaded voluntarily is installed, complete program upgrading.Meanwhile PLC device by change itself working condition and
The version number of program prepares for the upgrading of lower secondary program.
In one embodiment, the status information is used to characterize the working condition of PLC device, at the PLC device
When idle state, determine that the PLC device meets scalable condition.
The working condition of PLC device can be divided into following four: 1. monitor states, i.e. PLC are in course of normal operation, at this
Allow program download module to read the parameters for transmission in PLC register to server under state, is worked as with tell the server itself
Preceding state can not be upgraded at this time；2. idle state, i.e. PLC are in standby, allow to set PLC in this state
Standby to carry out program upgrading, compared to state 3, escalation process does not start under this state；3. program download state, i.e. program are downloaded
Module downloads program by server, forbids parameter to return under current state；4. firmware upgrade state, i.e. PLC are
More new procedures, PLC not can be carried out any other operation under current state.
The various working conditions of PLC device can be identified with scheduled identifier, and be stored in the register of PLC.
When the working condition of PLC device changes, PLC device can voluntarily modify the identifier, and program download module can be by reading the mark
Know symbol, i.e., the current state of knowable PLC device.
When PLC device is in monitor state, program download module reads target data simultaneously to PLC device by heartbeat packet
Server is sent by obtained data, sending cycle must not be generally lower than 1 minute by user's sets itself.When server is received
To heartbeat packet and after verifying successfully, server is stored data according to device numbering and chronological classification, works as mobile terminal
After being connected into server, the PLC state parameter of the monitoring device authorization can be consulted, to understand the passing state of PLC device, with right
PLC device is monitored.
In one embodiment, the method for above-described embodiment also further includes following steps: the inquiry for receiving mobile terminal is asked
It asks, the inquiry request includes specified PLC device information, obtains the status information of specified PLC device, and by the state
Information feeds back to mobile terminal.
When user needs to inquire the real time status information of PLC device, inquiry request, inquiry can be issued by mobile terminal
Request includes specified PLC device, and program download module is in standby by default, after receiving inquiry request,
Waken up by server, and then obtain real-time PLC status information, at the same time it can also feed back PLC device program upgrading progress,
The information such as program version number, to realize real time monitoring PLC device.
In one embodiment, described program file is transmitted frame by frame, when in described program file Transmission, record
The file frame of disconnected position judges whether the PLC device meets scalable condition, if the PLC is set after communication restores again
It is standby to meet scalable condition, continue transfer program file from interruption position.
As shown in Fig. 2, first sending the first frame data text is total frame of program, program during carrying out program upgrading
Version number and target PLC type number etc. identify content, when program download module receives first frame message, to PLC type number and program
Version number is differentiated, by totalframes preservation and the ready message of response after differentiating successfully, program is added after framing
After heading, current frame number and the frame check value, it is sent to program download module by cloud server, whenever having sent a frame
Data latency passback, receives the subsequent supervention of ACK response and send next frame data, until all data are all transmitted, under program
It carries module and detects whether current PLC is in idle condition.When for idle state, modification PLC working condition flag bit is firmware
Upgrade status and the current downloading frame number of clearing, start firmware upgrade process after being fully completed.When PLC just in normal work, etc.
Firmware upgrade is carried out again after completing to PLC work.
If occurring the case where abnormal interrupt in transmission process, program download module or mobile terminal can Auto-reconnect clothes
Business device, present procedure download progress and version number can be sent to mobile terminal by program download module after establishing connection again, be moved
After dynamic terminal analysis differentiates message, to server feedback, so that frame in interruption starts to continue to download, network is avoided
It is unstable to lead to the problem of often breaking and completely download program.
Further, after the completion of program file upgrades, server can reset downloading program number, progress flag bit and again
The working condition of the secondary current PLC of inquiry.When PLC is idle state, program update can be carried out, otherwise polling PLC works
State, until waiting program to update when idle state.
In one embodiment, when the PLC device meets scalable condition, PLC device and online third are established
Communication between square terminal device transmits program file to be upgraded to the PLC device from third party's terminal device.
Third party's terminal device can be connected with mobile terminal, established and communicated by mobile terminal and server, to guarantee
Real-time Data Transmission between PLC device and third party's terminal device.In the present embodiment, program file is not pre-stored in server
In, the advantage of doing so is that program transportation speed is fast, and it is few to occupy server resource.Wherein, third party's terminal device
It is circumscribed with program read module, described program read module is for being converted to HEX file for program file to be upgraded and storing
In third party's terminal device.
In another embodiment, described program file is uploaded to server by third party's terminal device in advance.Carry out
Before program upgrading, server has prestored program file to be upgraded, without passing through terminal device real-time transmission.
The embodiment of the present invention also provides a kind of PLC program upgrade-system based on mobile terminal, as shown in Figure 3 comprising
Server 1, mobile terminal 2 and PLC device 3, the server 1 are configured to: being received the program upgrading that mobile terminal is sent and asked
It asks, described program upgrade request includes the PLC device information mutually bound with the mobile terminal；It obtains and the mobile terminal phase
The status information of the PLC device of binding judges whether the PLC device meets scalable condition according to the status information；If
The PLC device meets scalable condition, and program file to be upgraded is transmitted to the PLC device.
PLC device 3 can Add-In download module 31, the two by RS422 or RS485 be connected, program download module 31
It can be connected by 2G, 3G or 4G network with server, server 1 also network and 4 phase of third party's terminal device by wireless communication
Even, third party's terminal device 4 is circumscribed with program read module 41, can will be under the program that finished writing by the programming software of corresponding PLC
It is downloaded in program read module 41, program read module 41 is sent to third for HEX file is converted into after the grooms of acquisition
Square terminal device 4.
The above-mentioned PLC program upgrade-system based on mobile terminal illustrates the implementation that can refer to above method part
Example.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.
Claims (10)
1. a kind of PLC program upgrade method based on mobile terminal, which comprises the steps of:
Server receives the program upgrade request that mobile terminal is sent, and described program upgrade request includes and the mobile terminal phase
The PLC device information of binding；
The status information for obtaining the PLC device mutually bound with the mobile terminal judges the PLC according to the status information
Whether equipment meets scalable condition；
If the PLC device meets scalable condition, program file to be upgraded is transmitted to the PLC device.
2. according to the method described in claim 1, it is characterized by:
The working condition that the status information is used to characterize PLC device determines institute when the PLC device is in idle condition
It states PLC device and meets scalable condition.
3. according to the method described in claim 1, it is characterized by:
Described program file is transmitted frame by frame, when described program file Transmission, records the file frame of interruption position, logical
After news are restored, judge whether the PLC device meets scalable condition again, if the PLC device meets scalable condition, from
Continue transfer program file in interruption position.
4. according to the method described in claim 3, it is characterized by:
After the completion of program file upgrading, recorded file frame information is removed.
5. according to the method described in claim 1, it is characterized by:
When the PLC device meets scalable condition, establish logical between PLC device and online third party's terminal device
News, transmit program file to be upgraded to the PLC device from third party's terminal device.
6. according to the method described in claim 5, it is characterized by:
Third party's terminal device is circumscribed with program read module, and described program read module is used for program text to be upgraded
Part is converted to HEX file and is stored in third party's terminal device.
7. according to the method described in claim 1, it is characterized by:
Described program file is uploaded to server by third party's terminal device in advance.
8. the method according to claim 1, wherein further including following steps: the inquiry for receiving mobile terminal is asked
It asks, the inquiry request includes specified PLC device information, obtains the status information of specified PLC device, and by the state
Information feeds back to mobile terminal.
9. according to the method described in claim 1, it is characterized by:
The PLC device is circumscribed with program download module, and PLC device is based on described program download module and realizes communication.
10. a kind of PLC program upgrade-system based on mobile terminal, it is characterised in that:
Including server, mobile terminal and PLC device, the server is configured to: receiving the program liter that mobile terminal is sent
Grade request, described program upgrade request include the PLC device information mutually bound with the mobile terminal；It obtains with the movement eventually
The status information for the PLC device mutually bound is held to judge whether the PLC device meets scalable item according to the status information
Part；If the PLC device meets scalable condition, program file to be upgraded is transmitted to the PLC device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155380.0A CN109302476A (en) | 2018-09-30 | 2018-09-30 | A kind of PLC program upgrade method and system based on mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811155380.0A CN109302476A (en) | 2018-09-30 | 2018-09-30 | A kind of PLC program upgrade method and system based on mobile terminal |
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| CN201811155380.0A Pending CN109302476A (en) | 2018-09-30 | 2018-09-30 | A kind of PLC program upgrade method and system based on mobile terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110633094A (en) * | 2019-10-22 | 2019-12-31 | 宁波三星医疗电气股份有限公司 | Remote upgrading method for power terminal, master station and power system |
| CN110750283A (en) * | 2019-10-15 | 2020-02-04 | 青岛易触科技有限公司 | Remote upgrading method and system for vending machine driving program |
| CN111143856A (en) * | 2019-12-27 | 2020-05-12 | 郑州信大捷安信息技术股份有限公司 | PLC remote firmware upgrading system and method |
| CN112180829A (en) * | 2020-10-13 | 2021-01-05 | 深圳市海浦蒙特科技有限公司 | Remote debugging method and system for PLC (programmable logic controller) equipment |
| CN113110856A (en) * | 2021-04-13 | 2021-07-13 | 深圳市合信自动化技术有限公司 | Management system for self-service remote updating of PLC (programmable logic controller) program and HMI (human machine interface) engineering |
| CN113252099A (en) * | 2021-06-15 | 2021-08-13 | 阳春新钢铁有限责任公司 | Automatic detection loop system for optimizing primary meter |
| CN115134342A (en) * | 2022-06-06 | 2022-09-30 | 广州云雷智能科技有限公司 | Equipment remote upgrading method, device, equipment and storage medium based on PLC |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110750283A (en) * | 2019-10-15 | 2020-02-04 | 青岛易触科技有限公司 | Remote upgrading method and system for vending machine driving program |
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| CN113110856A (en) * | 2021-04-13 | 2021-07-13 | 深圳市合信自动化技术有限公司 | Management system for self-service remote updating of PLC (programmable logic controller) program and HMI (human machine interface) engineering |
| CN113252099A (en) * | 2021-06-15 | 2021-08-13 | 阳春新钢铁有限责任公司 | Automatic detection loop system for optimizing primary meter |
| CN115134342A (en) * | 2022-06-06 | 2022-09-30 | 广州云雷智能科技有限公司 | Equipment remote upgrading method, device, equipment and storage medium based on PLC |
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Application publication date: 20190201 |