CN110501965A - Based on the acquisition of Embedded remote PLC data and early warning system - Google Patents
Based on the acquisition of Embedded remote PLC data and early warning system Download PDFInfo
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- CN110501965A CN110501965A CN201910650033.3A CN201910650033A CN110501965A CN 110501965 A CN110501965 A CN 110501965A CN 201910650033 A CN201910650033 A CN 201910650033A CN 110501965 A CN110501965 A CN 110501965A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
Abstract
One kind is based on the acquisition of Embedded remote PLC data and early warning system, comprising: for acquiring the information gathering subsystem of the information of each PLC device running parameter and operating status；It is pass on for data transmission, instruction, the matched network communication subsystem of user right information；For the control and management to each PLC device, while being responsible for remotely monitoring the system monitoring subsystem of entire factory's operation conditions.Wherein the information gathering subsystem includes data acquisition module, remote control module and acquisition information network middleware module, the network communication subsystem includes authority management module and data and control information transmission modular, and the network monitoring subsystem includes monitoring center network middleware, data visualization module and user monitoring and management module.The present invention can effectively acquire PLC device real time data information in factory and remotely be controlled, and carry out big data analysis to real time data information, and whether prediction PLC device breaks down.
Description
Technical field
The invention belongs to industrial automations, more particularly to realize the teledata to PLC by embedded industrial control board
Acquisition and warning function field.
Background technique
Master system and plant site logic are occurred mainly in the application scenarios of industrial automation industry, data acquisition
Between storage control PLC, very much, running state information, the quality of production, the equipment operation ginseng of equipment are had in data acquisition
Number data etc., in traditional application, data acquisition is all that master system or some configuration softwares are one-side from PLC
Related data is read, and instruction cannot be assigned.And there are the PLC of different brands and model, the numbers of the PLC of different model for factory
Different according to message format, this will increase acquisition difficulty, none perfect database purchase system of factory will lead to and adopt
It is not high to collect data utilization rate.
To solve the above-mentioned problems, a kind of collection data acquisition, data storage, long-range control, data analysis are in the number of one
It is critically important to factory according to management & monitoring system.The PLC for only certain specific model that traditional factory is directed to carries out data and adopts
Collection can bring very big difficulty to the engineer of acquisition data, traditional plc data is adopted if there are many PLC of brand for factory
Collecting system can only access local area network by Ethernet wired connection at the scene, monitor the PLC device of inside plants, Zhou Kaifu
Propose by 4G network carry out PLC remote control module (Zhou Kai Futong cross 4G network carry out PLC remote control module Zhejiang；
CN109164753A 2018-11-09), it can use 4G remote control module, host be transmitted through to the data come and is sent out by cloud
It is sent to database, may be implemented to stay indoors can monitor shop equipment.Although the system solves can long-range connection number
According to the part in library, but good solution is not provided in acquisition data and remote control method face.
Summary of the invention
The present invention provides a kind of based on Embedded remote to solve above-mentioned defect existing in the prior art and deficiency
The acquisition of journey plc data and early warning system.
Core of the invention is that embedded industrial control board is utilized to carry out data acquisition and long-range control to PLC device first,
And analyzed from real time data of the angle of big data to PLC device, predict whether PLC device breaks down instantly,
The secondary present invention uses the storage mode of isomery in database purchase part, upload the data to Redis and is used as caching, by one
Point historical data initially enters in Redis, accelerates reading rate, if that cannot hit, enters in MySQL and inquires, in Redis
Data timing can save data conversion storage into Mysql database, finally, the present invention is in data and control information transmission
In module, data and control information are transmitted using message queue, data are put into corresponding message team with control information
In column, waiting needs the module of data to file a request, and using message queue transmission data consistency problem is improved,
Real-time is also more preferable.
The present invention is that technical solution used by solving prior art problem is:
One kind based on Embedded remote PLC data acquisition and early warning system, it is characterised in that: the PLC equipment of factory and
Built-in industrial control machine is connected by ether net mode, embedded industrial control board by onboard wireless or 4G connect to network among network
Part carries out both-way communication, and described based on the acquisition of Embedded remote PLC data, there are three subsystems with early warning system, is respectively
For acquiring the information gathering subsystem of each PLC device running parameter and operating status, pass on for data transmission, instruction,
The matched network communication subsystem of user right information for the control and management to each PLC device, while being responsible for long-range prison
Control the system monitoring subsystem of entire factory's operation conditions；Information gathering subsystem, network communication subsystem and system monitoring
System is connect with network middleware both-way communication respectively.
The information gathering subsystem includes:
Data acquisition module, for acquiring the running parameter and data information set by user of PLC device, the work
Parameter includes electric current, voltage, temperature, and judges whether its operating status is normal according to the running parameter；If operating status is different
Often, then information network middleware module is acquired via network communication subsystem, provides warning message to system monitoring subsystem；If
Operating status is normal, then collected all working parameter information and data information set by user, via network communication
System uploads data acquisition information to system monitoring subsystem；
Remote control module refers to for receiving the control from system monitoring subsystem by acquisition information network middleware
It enables, and PLC device is remotely controlled according to the related content of instruction；
Information network middleware module is acquired, for completing uplink and downlink communication task；The uplink communication task are as follows:
The data that data acquisition module obtains are encapsulated into data grouping according to communications protocol message format, via network communication subsystem
System is uploaded to system control submodule；The downgoing communication task are as follows: obtained by network communication subsystem and come from system control
Then the control instruction of subsystem is split according to the message format of communications protocol, under reach remote control module, complete
The control task of corresponding PLC device；
The network communication subsystem includes:
Authority management module receives the user of user monitoring and management module transmission in system monitoring subsystem and logs in
Request, exports and audits for the request to user；Every associated rights of its storage inside user, including dynamic code granting,
Behavior legitimate verification connects certificates constructing and issue policy, wherein saving the underlying credentials of all devices, and can be according to chain
It connects demand and its permission degree and generates connection certificate based on different client and give and provide；
Data and control information transmission modular, the method for being communicated by network process are realized to the real-time of PLC device
The transmission of data and control information, receives the running parameter data of the data acquisition module in information gathering subsystem, passes through
These data are transferred to system monitoring submodule by this module；Receive user monitoring and management mould from system monitoring subsystem
Control information is transferred to the remote control module of information gathering subsystem by this module by the control information of block；
The system monitoring subsystem includes:
Monitoring center network middleware, the system service allotment center of the control for each PLC device, according to the control information
Entrained parameter completes corresponding control task；Receive the real time data and control information that network communication subsystem uploads；It is real
When data information transfer to data visualization module and user monitoring and management module, control information and be transferred to user monitoring and pipe
Manage module；
Data visualization module, for receive monitoring center network middleware transmission real time data information, by table,
Curve graph is shown clear data；The PLC device failure information from user monitoring and management module is received, is shown
Show on first visualization interface, and uploads to database and save；
User monitoring and management module log in submodule by running state analysis submodule and user and form, the operation
State analysis submodule, data of the reception from network communication subsystem are real-time with the PLC device of control information transmission modular
Data and control information is passed through by the analysis to real time data and control information if PLC device is abnormal as the result is shown for analysis
By data visualization module, user's PLC device is prompted to break down；The user logs in submodule, when user logs in, logs in
Request the authority management module of transmission network communication subsystem；
The advantages and positive effects of the present invention are:
1. being based on Embedded remote PLC data sampling and processing and method for uploading, device layout is simple and convenient, system is steady
Fixed, compatibility height, and support multi-platform data display function.
2. the system structure detail that the introducing of network technology middleware Technology is.It realizes that whole network is configurable, may customize
Change operation.
3. having equipment warning function, give notice, is reduced because equipment is stopped before equipment breaks down or breaks down
Machine massive losses caused by factory.
4. collecting data information and control information are transmitted in the form of message queue, real-time is preferable.
The present invention devises data visualization interface, and it is more succinct manually to watch equipment attentively compared to traditional dependence, and
And factory local area network can be remotely accessed, achieve the effect that equipment localization operation, when PLC breaks down, cloud will be given
User sends warning information, reminds user that need to safeguard to equipment, after field engineer is to designated person's permission, nominator
Member can remotely debug PLC device.Factory is set to accomplish real intelligence.
Detailed description of the invention
Fig. 1 is system principle diagram of the invention.
Fig. 2 is system hardware figure of the invention.
Specific embodiment
The following are be further described in conjunction with attached drawing to implementation of the invention.
Referring to Figures 1 and 2, a kind of based on the acquisition of Embedded remote PLC data and early warning system, by information collection subsystem
System, network communication subsystem, system monitoring subsystem composition, wherein information gathering subsystem is for acquiring each PLC device work
Make the information of parameter and operating status；Network communication subsystem is pass on for data transmission, instruction, user right information matches；
System monitoring subsystem is responsible for remotely monitoring entire factory's operation conditions for the control and management to each PLC device.
As shown in Fig. 2, mainly including 1. 1 Siemens based on the acquisition of Embedded remote PLC data and early warning system
S7-1200 PLC, 2 one Omron Fine Tcp PLC, 3 one Mitsubishi A-3C PLC, 4. 1 Mir TI Cortex-A8
AM335X development board (Linux-arm system), 5. cloud servers, 6. several monitoring central servers, 7. several monitoring
Central user server-side.
System monitoring subsystem, network communication subsystem and the information gathering subsystem relies on monitoring center meter respectively
Calculation machine, embedded industrial control board and PLC device operation, carry out information exchange by network middleware technology；Network middleware technology
Refer to one kind based on distributed processing software, network middleware will not only realize interconnection, also realize the mutual behaviour before application
Make, middleware reduces the complexity of low-level operation system, makes application developer in face of a simple and unified exploitation ring
The complexity of programming is reduced in border.
Information gathering subsystem is mainly used for acquiring each PLC device running parameter and operating status, main functionality
Framework is made of data acquisition module, remote control module and acquisition information network middleware module, as shown in Figure 1.
The major function of data acquisition module is to acquire the work such as data information and voltage, electric current, the temperature of PLC device ginseng
Number, and PLC device operating status is judged in advance according to running parameter, if judging result is PLC device failure,
Information network middleware module is acquired, via network communication subsystem, provides warning message to system monitoring subsystem.
The major function of remote control module is to supervise for being received by acquisition information network middleware module from system
The control instruction of submodule is controlled, and corresponding operating is carried out to PLC device according to instruction, realizes the remote operation to PLC equipment.
Information network middleware module is acquired, for completing uplink and downlink communication task；The uplink communication task are as follows:
The data that data acquisition module obtains are encapsulated into data grouping according to communications protocol message format, via network communication subsystem
System is uploaded to system control submodule；The downgoing communication task are as follows: obtained by network communication subsystem and come from system control
Then the control instruction of subsystem is split according to the message format of communications protocol, under reach remote control module, complete
The control task of corresponding PLC device.
Network communication subsystem is mainly used for data transmission, instruction is pass on and matched with user right information, is link information
The bridge and tie of acquisition subsystem and system monitoring subsystem, main functionality framework is by authority management module and data and control
Information transmission modular composition processed, as shown in Figure 1.
Authority management module is to audit to the request of user when receiving output；The items of its storage inside user
Associated rights, including dynamic code granting, behavior legitimate verification connect certificates constructing and issue policy, wherein saving all
The underlying credentials of equipment, and connection certificate can be generated based on different clients according to link demand and its permission degree and given
It provides.
Data and control information transmission modular, the method for being communicated by network process are realized to the real-time of PLC device
The transmission of data and control information, receives the running parameter data of the data acquisition module in information gathering subsystem, passes through
These data are transferred to system monitoring submodule by this module；Receive user monitoring and management mould from system monitoring subsystem
Control information is transferred to the remote control module of information gathering subsystem by this module by block.
System monitoring subsystem is mainly used for control and management to each PLC device, while it is entire to be responsible for long-range monitoring
Factory's operation conditions, main functionality framework is by monitoring center network middleware, data visualization module and user monitoring and pipe
Module composition is managed, as shown in Figure 1.
User monitoring and management module log in submodule by running state analysis submodule and user and form, the operation
State analysis submodule, data of the reception from network communication subsystem are real-time with the PLC device of control information transmission modular
Data and control information is passed through by the analysis to real time data and control information if PLC device is abnormal as the result is shown for analysis
By data visualization module, user's PLC device is prompted to break down；The user logs in submodule, when user logs in, logs in
Request the authority management module of transmission network communication subsystem.Instruction is logined successfully if receiving, and obtains field engineer's
Authorization remotely can upload downloading program to PLC device by rich way V14 software, long-range mode PLC device,
The wherein analytic process of running state analysis submodule are as follows: be intellectual analysis part first, by expert to basic
Every general data of industrial equipment carries out model foundation, carries out repeatedly fitting study to initialization model by SVM, CNN etc.,
And model iteration interface is established, it is used effectively data.Followed by predictive maintenance, this part can answering for model
With being analyzed model finally by the moving model fitting to real time data and provide result.
Data visualization module is mainly used for receiving the real time data information of monitoring center network middleware transmission, passes through table
Lattice, curve graph are shown clear data；The information of display has four parts, and first part is PLC running state information,
Second part is the realtime curve of PLC, and Part III is that the historical data of PLC device shows that Part IV is PLC device
Real-time data analysis result；
Monitoring center middleware is mainly used for the system service allotment center of the control of each PLC device, according to the control information
Entrained parameter completes corresponding control task, receives real time data and control information that network communication subsystem uploads, mentions
Supply the further analysis result to real time data of user monitoring and management module completion.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention is also and in art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (5)
1. one kind is based on the acquisition of Embedded remote PLC data and early warning system, it is characterised in that: the PLC device of factory and embedding
Enter formula industrial personal computer to connect by ether net mode, embedded industrial control board is by the way that onboard wireless or 4G connects to network and network middleware
Both-way communication is carried out, it is to use respectively that described there are three subsystems with early warning system based on the acquisition of Embedded remote PLC data
In the information gathering subsystem for acquiring each PLC device running parameter and operating status, passs on, uses for data transmission, instruction
Authority information matched network communication subsystem in family for the control and management to each PLC device, while being responsible for long-range monitoring
The system monitoring subsystem of entire factory operation conditions；Information gathering subsystem, network communication subsystem and system monitoring subsystem
System is connect with network middleware both-way communication respectively；
The information gathering subsystem includes:
Data acquisition module, for acquiring the running parameter and data information set by user of PLC device, the running parameter
Judge whether its operating status is normal including electric current, voltage, temperature, and according to the running parameter；If operating status is abnormal,
By acquiring information network middleware module, via network communication subsystem, warning message is provided to system monitoring subsystem；If
Operating status is normal, then collected all working parameter information and data information set by user, via network communication
System uploads data acquisition information to system monitoring subsystem；
Remote control module, for receiving the control instruction from system monitoring subsystem by acquisition information network middleware,
And PLC device is remotely controlled according to the related content of instruction；
Information network middleware module is acquired, for completing uplink and downlink communication task；The uplink communication task are as follows: will count
It is encapsulated into data grouping according to communications protocol message format according to the data that acquisition module obtains, via on network communication subsystem
Reach system control submodule；The downgoing communication task are as follows: obtained by network communication subsystem from system control
Then the control instruction of system is split according to the message format of communications protocol, under reach remote control module, complete to correspond to
The control task of PLC device；
The network communication subsystem includes:
Authority management module receives user's login that user monitoring is transmitted with management module in system monitoring subsystem and asks
It asks, exports and audited for the request to user；Every associated rights of its storage inside user, including dynamic code granting, row
For legitimate verification, certificates constructing and issue policy are connected, wherein saving the underlying credentials of all devices, and can be according to link
Demand and its permission degree are generated connection certificate and given based on different clients to be provided；
Data and control information transmission modular, the method for being communicated by network process realize the real time data to PLC device
With the transmission of control information, the running parameter data of the data acquisition module in information gathering subsystem are received, by this mould
These data are transferred to system monitoring submodule by block；User monitoring and management module of the reception from system monitoring subsystem
Information is controlled, control information is transferred to the remote control module of information gathering subsystem by this module；
The system monitoring subsystem includes:
Monitoring center network middleware, the system service allotment center of the control for each PLC device, is taken according to the control information
The parameter of band completes corresponding control task；Receive the real time data and control information that network communication subsystem uploads；Number in real time
It is believed that breath is transferred to data visualization module and user monitoring and management module, control information is transferred to user monitoring and management mould
Block；
Data visualization module passes through table, curve for receiving the real time data information of monitoring center network middleware transmission
Figure is shown clear data；The PLC device failure information from user monitoring and management module is received, display is first
On visualization interface, and uploads to database and save；
User monitoring and management module log in submodule by running state analysis submodule and user and form, the operating status
Submodule is analyzed, the real time data of the PLC device of data and control information transmission modular from network communication subsystem is received
With control information, by the analysis to real time data and control information, if PLC device is abnormal as the result is shown for analysis, via number
According to visualization model, user's PLC device is prompted to break down；The user logs in submodule, when user logs in, logging request
The authority management module of transmission network communication subsystem.
2. one kind according to claim 1 is existed based on the acquisition of Embedded remote PLC data and early warning system, feature
In: all PLC devices are connect with embedded industrial control board by Ethernet in factory, embedded industrial control board is passed through into 4G or wireless
It connects to the Net, user completes configuration interface information, acquires PLC device information.
3. one kind according to claim 1 is existed based on the acquisition of Embedded remote PLC data and early warning system, feature
In: system monitoring subsystem, network communication subsystem and the information gathering subsystem rely on respectively monitoring center computer,
Embedded industrial control board and PLC device operation, carry out information exchange by network middleware technology.
4. one kind according to claim 1 is existed based on the acquisition of Embedded remote PLC data and early warning system, feature
In: in the data and control information transmission modular, the mode of the network process communication is by message queue logarithm
It is transmitted according to control information, data is put into corresponding message queue with control information, wait the module for needing data
It files a request, using message queue transmission data consistency problem is improved, real-time is also more preferable.
5. one kind according to claim 1 is existed based on the acquisition of Embedded remote PLC data and early warning system, feature
In: in the data visualization module, uploading the data to the method that database saves is to upload the data to
Redis is used as caching, and a part of historical data is initially entered in Redis, accelerates reading rate and enters as that cannot hit
It is inquired in MySQL.
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| CN111818053A (en) * | 2020-07-09 | 2020-10-23 | 华中科技大学 | Numerical control machine tool safety system with identity authentication and safety communication gateway and method |
| CN112330909A (en) * | 2020-09-26 | 2021-02-05 | 宝钢特钢韶关有限公司 | Intelligent anti-theft method and system for production system control module |
| CN114167805A (en) * | 2021-11-23 | 2022-03-11 | 长园运泰利视觉科技(珠海)有限公司 | Programmable PLC monitoring system |
| CN114326567A (en) * | 2021-12-20 | 2022-04-12 | 安徽中科大国祯信息科技有限责任公司 | Automatic process equipment data conversion and instruction remote issuing method |
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| CN115963775A (en) * | 2023-03-15 | 2023-04-14 | 深圳华龙讯达信息技术股份有限公司 | PLC state monitoring system and method based on characteristic signal data |
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