CN110213083A - A kind of novel and multifunctional power communication network tester - Google Patents
A kind of novel and multifunctional power communication network tester Download PDFInfo
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- CN110213083A CN110213083A CN201910369151.7A CN201910369151A CN110213083A CN 110213083 A CN110213083 A CN 110213083A CN 201910369151 A CN201910369151 A CN 201910369151A CN 110213083 A CN110213083 A CN 110213083A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/14—Arrangements for monitoring or testing data switching networks using software, i.e. software packages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of novel and multifunctional power communication network testers, it is characterized in that, signal imports embedded integration test by hardware platform and analysis software platform is handled, the stipulations storehouse for having test function is provided in comprehensive test analysis software platform, the comprehensive test analysis software platform improves the analysis speed to message by finite state machine algorithm, channel quality assessment and Early-warning Model are additionally provided in comprehensive test analysis software platform, pass through the quantizating index of channel transmission signal quality to hardware platform by channel quality assessment and Early-warning Model, when quality changes, channel quality assessment and Early-warning Model issue warning signal, when network tester tests communication network, self-test first is carried out to selftest channel, and confirmation is scanned to the agreement inside integration test and analysis software platform.
Description
Technical field
The present invention relates to a kind of power communication network testers, and in particular to a kind of novel and multifunctional power communication network survey
Try instrument.
Background technique
Power industry is basic energy resource industry important in the national economic development, is excellent in the Strategy for economic development of countries in the world
The emphasis first developed.Power grid security is directly related to livehood economy benefit.Improve power supply quality and safe operation of electric network increasingly
It is highly valued.Electric power scheduling automatization system, which is used as, ensures power grid security, high-quality, economical operation and raising management and running pipe
The horizontal important means of reason increasingly shows its importance under social economy's situation of high speed development.Electric telecontrol channel is
The important component of electric power scheduling automatization system, carries important power generation operation information, these information it is reliable
Transmission is electric power scheduling automatization system stabilization, the important leverage of reliability service.And the automation telecontrol equipment of huge number, add
The increasingly sophisticated communication transmission passage of upper type multiplicity, network topology structure is the new shape that electric power scheduling automatization system faces
Formula.How to electric telecontrol channel fault fast positioning under this new model, effective pipe of physical network resource how is realized
How reason, ensure the normal operation of electric telecontrol channel, find hidden danger present in it in time, these are all scheduling automated
Direction is encouraged in system emergency major issue to be solved and national policy guidance.This instrument is to be exclusively used in power remote to supervise in real time
It surveys and the special instrument of channel quality analysis, device end and management platform software system.Existing power remote analyzer is big
All only there is single test function, while existing product all cannot achieve on line real-time monitoring and test and channel quality point
Analysis.And this instrument innovation and application continue to develop in PC technology abundant software/hardware resource, and incorporated advanced Virtual instrument
Device technology, the multinomial advanced technologies such as embedded real-time operating system technology, integration test technology based on Multi-Layered Network Model are real
Show to power remote transmission channel from physical layer, the analysis of the data of data link layer to application layer, test, system collection is supervised in real time
Control, test, management are integrated, and realize unattended duty monitoring, message bit error analyzing, real-time channel test, network management, channel matter
The functions such as amount assessment, meet the needs of power consumer to the full extent.
Summary of the invention
Do not have data errors analysis the technical problem to be solved by the present invention is to traditional equipment and the comprehensive of protocol layer is surveyed
Examination ability, simultaneity factor structure is relatively backward, does not have systematic solution, the simple defect of function, and the object of the invention exists
In providing a kind of novel and multifunctional power communication network tester, solve the problem above-mentioned.
The present invention is achieved through the following technical solutions:
A kind of novel and multifunctional power communication network tester, which is characterized in that signal is led embedded by hardware platform
System is handled by integration test and analysis software platform, is provided in comprehensive test analysis software platform and has test
The stipulations storehouse of function, the comprehensive test analysis software platform improve the analysis speed to message by finite state machine algorithm,
It is additionally provided with channel quality assessment and Early-warning Model in comprehensive test analysis software platform, passes through channel quality assessment and early warning mould
Type passes through the quantizating index of channel transmission signal quality to hardware platform, when quality changes, channel quality assessment and early warning
Model issues warning signal, and when network tester tests communication network, first carries out self-test to selftest channel, and to comprehensive
It closes the agreement inside test and analysis software platform and is scanned confirmation.
Currently, power remote measuring technology at present it is both domestic and external research and it is few, such product of exploitation is also relatively fewer.
Foreign countries are in terms of the research in telemechanical test focuses principally on Telecontrol Protocol, in this respect in addition to third-party mechanism for testing also
The employer's organization being made of user.The country can be divided into two parts and telemechanical test macro in the research of power remote test this respect
(instrument) and real-time monitoring system.In terms of telemechanical test macro (instrument), the system structure of domestic several producers is almost the same at present,
It can be divided into independent two kinds of test platforms (cannot interconnect between the two), category single machine test, do not have real-time monitoring and networking
Management function.Simple channel signal testing, error code testing, message can only be done by, which having a single function, shows.Another kind be by it is a set of
The protocol analysis instrument that the protocol analysis software run on laptop is constituted, this protocol analysis instrument by matching various interfaces outside
Converter and modem realize the connection with communication line, only have the ability of protocol analysis, due to not having A/D conversion
And the component former capital of interlock circuit test does not have the ability of channel physical layer test, because on a pc platform without enough direct
Interfere the ability of hardware without having the error code testing function in meaning really.
Further, the hardware platform uses 32 arm processors and is equipped with 32 embedded OSs and GUI
Graphical interfaces has the independent virtual instrument system of building, soft by hardware platform independent test or cooperation integration test and analysis
Part platform completes test function.
Further, stipulations storehouse parsed by comprehensive test analysis software platform, message capturing and simulation main website, mould
The nucleus module of quasi- slave station test function, and by finite state machine, improve error detecing capability and data-handling efficiency.
Further, the finite state machine algorithm includes first part and second part, and first part uses one group of pass
Key word constructs a determining state automata, and second part is using text string as the input of state machine, whenever this state machine
It was found that can all provide a corresponding signal after a keyword match.
Further, the integration test and analysis software platform and hardware platform are surveyed by communication interface network consistingization
Examination.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of novel and multifunctional power communication network tester of the present invention, existing power remote analyzer mostly only have
There is single test function, while existing product all cannot achieve on line real-time monitoring and test and channel quality analysis.And this
Instrument innovation and application continue to develop in PC technology abundant software/hardware resource, and incorporated advanced virtual instrument technology,
The multinomial advanced technologies such as embedded real-time operating system technology, integration test technology based on Multi-Layered Network Model, realize pair
Power remote transmission channel is surveyed from physical layer, the analysis of the data of data link layer to application layer, test, system collection real time monitoring
Examination, management are integrated, and realize that unattended duty monitoring, message bit error analyzing, real-time channel test, network management, channel quality are commented
The functions such as estimate, meets the needs of power consumer to the full extent.
This technical device has been mature on the whole, and instrument newly-increased investment is practical, structurally reasonable.Company possesses in electric power electricity
There is the technological innovation group of professional theory knowledge and abundant practical experience in terms of son, communication system, automatic control and electric system
Team, while company possesses outstanding market and administrative staff.Company set up over 2 years, obtained Fast Growth development.It is counted in support
Under the support for the fund of drawing, this enterprise has the ability to implement to complete this good instrument.The instrument has certain conditions for sports industry condition, more
There is good business model, after the completion of pilot scale, industrialization may be implemented completely, creates good economic benefit and society's effect
Benefit.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is that virtual instrument technology realizes schematic diagram in BTS product.
Fig. 2 is two Blind Test agreement page figure of embodiment.
Fig. 3 is two AccessPort function interface figure of embodiment.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment one
As shown in Figures 1 to 3, object of the present invention is to solve power remote integration test, real-time monitoring, comprehensive analysis and decision
Problem, research contents in electric telecontrol channel is tested by using the comprehensive of physical layer, data link layer, protocol layer and application layer
Measuring technology is closed, acquires operation of power networks relevant information in high quality, and accomplishes real time monitoring and network management, is that power network is automatic
Change scheduling system and effective Information Assurance in real time is provided.
The such test equipment producer of tradition usually first defines one closed structure of function, it has fixed input and output
Interface and instrumentation panel, fixed LED indication realize specific test function, and be supplied to user in a fixed manner,
System function is weak, scaling difficulty.The test of BTS series telemechanical and analysis system have sufficiently been used for reference in whole design represents the following survey
The Design of Virtual Instrument concept in measuring appratus designs direction, has been completely free of the mentality of designing of traditional measuring instrument producer.BTS
It is clear that serial telemechanical test and each functional module of analysis system divide, and the hardware modules such as data acquisition are independent, and data processing divides
Analysis, storage, the input and output of graphical display and instrument control (softpanel) etc. by software realization.
It is clear that each functional module of BTS series telemechanical test macro divides, and the hardware module for being responsible for data acquisition control is independent,
Data processing, analysis, storage, the input and output of graphical display and instrument control (softpanel) etc. by software realization.BTS series
Telemechanical test macro is collectively constituted by Embedded hardware platform and analysis software platform, and Embedded hardware platform uses 32
Position arm processor and 32 embedded OSs of outfit and GUI graphical interfaces have the required of building virtual instrument system
Hardware foundation, integration test and analysis software platform are connect with hardware platform by 485/ Ethernet, and hardware platform can be surveyed independently
Examination can also cooperate software platform to complete test function complicated in real time.
The virtual instrument framework of BTS series telemechanical test macro makes test macro performance itself with computer and network technology
Promotion and promoted, and convenient for being made up of complicated distributed test system network, carry out remote testing, monitor and examine
It is disconnected.Instrument purchase and maintenance cost can be saved.Hardware platform can independent test also cooperate software platform to complete complicated test
Function, such open framework itself building be complicated, but its bring be it is easy to maintain, save later-stage secondary exploitation at
This, while when system requirements changes, it only need to change individual hardware and software module, not have to replace entire instrument, and can
Easily building network realizes resource-sharing, this is the function that this traditional quasi-instrument does not have.
The processing mode that Power SCADA system parses specification is fairly simple --- only receive correct message, and
It is exactly that (synchronization loss controls clipping of words, letter to error message that the most important means of the system failure are solved for test macro
Cease word length not enough, overlength, certain telemetering, remote signalling amount are abnormal, frame check mistake etc.) capture and parsing, so building has test
The stipulations storehouse of function is also the core missions of this instrument research.
Finite state machine algorithm is added, improves the analysis speed to message.Stipulations storehouse is that specification parses in this test macro,
Message capturing simulates main website, simulates the nucleus module of slave station test function, I is firstly introduced " limited in building in this section
State machine " technology all establishes complete state machine for each specification, and such stipulations storehouse just has complete error detecing capability
With efficient data-handling efficiency.Finite state machine is a kind of tool for carrying out object behavior modeling, and effect is mainly
Description object status switch experienced in its life cycle, and how to respond from extraneous various events.State
Machine algorithm, and the analysis speed to message can be improved.The algorithm begins to use keyword to construct a finite state machine then
The text string for needing to inquire is handled using the finite state machine.The occupied memory of the pattern matching state machine of construction and all
The total length of keyword is related.When handling text string, the quantity for the state transition being made of pattern matching machine and pass
The number of key word is unrelated and related with the alphabetical number contained by that keyword longest in these keywords.This algorithm packet
Containing two parts, first part constructs a determining state automata using a set of keyword.Second part makees text string
A corresponding signal can be all provided after this state machine finds a keyword match for the input of state machine.
The power remote real-time monitoring that this instrument is studied characterizes the signal quality in channel with channel quality analysis system
Physical parameter, environmental condition temperature/humidity locating for the bit error rate and equipment under test etc. builds a channel matter as external condition
Amount assessment and Early-warning Model, the quantizating index of each channel transfer quality can be calculated by this model, and to potential, gradual change
The problem of provide alert, can play the role of being preventive from possible trouble, the advantageous safe operation for ensureing electric system to telecontrol system.
Domestic other plant equipments individually lane testing can only be completed all without network savvy and pass through result at present
USB or RS232 are connect with host computer, upload test result, for statistical analysis by host computer application software, real-time is poor, nothing
Method realizes network management.
The goal in research of this instrument is exactly that R & D design goes out power remote main website monitoring host and slave station monitoring terminal can be with
It is networked, is completed by Ethernet and power remote real-time monitoring and channel quality comprehensive analysis and network management software platform
The data of entire electric telecontrol channel are analyzed, are counted, realize to the information quality of electric telecontrol channel, line quality into
Row test analysis, statistics, decision, while can also realize a network management to above equipment.
Instrument first has to when testing communication network with the unobstructed errorless of its own TCH test channel, this instrument is being set
Timing has fully considered this point, devises instrument and surveys link certainly.By self-test link can to communication network channel together into
Row detection, guarantees normal use.
In power equipment, the use of system often as long as five years more than in addition 10 years, due to the change of technical staff, after
The maintenance personnel come is difficult to find correlation technique data, communication protocol etc., the blind testing process of Protocol Design, to commonly using association now
View is scanned, to determine the situation of communication network.
Mainly to the signal quality in channel, error condition, environmental condition such as temperature/humidity locating for equipment under test is built
One model provides the quantizating index of the quality in each channel, and can provide forecast, generates report etc., can be in certain time week
Comprehensive analysis is carried out to the quality index in channel in phase.
Embodiment two
As shown in figures 2-3, the present embodiment is made a concrete analysis of on the basis of example 1, power communication network tester packet
Transmitting-receiving test, agreement Blind Test, system are included from surveys, test history, shut-off function module these functions, wherein receiving and dispatching to test and being mainly
Serial port, baud rate, test protocol, working method, the setup module of operating mode and setup test button, hair before testing
Send data button, reception, transmission and the channel quality analysis window of data, common window clear screen, return, channel quality point
Content save button is analysed, the rightmost side is efficiently functional module switching；
And agreement Blind Test is mainly the beginning and stop button that serial ports selection setup module and data are sent, and connects sending and receiving
Send the display window of data, common window clear screen, return, analysis content save button, the rightmost side are efficiently functional modules
Switching.System from survey use predominantly enter and leave serial ports select setup module, agreement, working method, operating mode selection mould
Block and setup test button send data button, receive, send the display window of data, common window clear screen, return,
Content save button is analyzed, the rightmost side is efficiently functional module switching.And test history is display system survey, fixed protocol certainly
The analysis content module of transmitting-receiving test, agreement Blind Test, the rightmost side are efficiently functional module switchings.Power communication network tester
Hardware interface picked out by UART3 (ttymx2) using 232 serial ports, software class is defined as COM2 (ttymx2), 485 serial ports by
UART4 (ttymx3) is picked out, and software class is defined as COM3 (ttymx3), serial port baud rate 115200.
The interface of agreement Blind Test function is as shown in Fig. 2, the function and operating process of specific button are detailed in next meeting
It introduces.The function of agreement Blind Test is by judging automatically to the unknown data packet received, what association which belongs to
Discuss type.Serial ports: there are three options altogether for serial ports button, are COM1, COM2 and COM3 mouthfuls respectively, under corresponding Linux system
Calling serial ports is ttymxc1, ttymxc2 and ttymxc3 respectively.Wherein, the serial ports of the corresponding embedded board of COM2 is RS485/
UART3, and COM3 is then to click the i.e. openable corresponding serial ports of OPEN button after RS232/UART2 chooses corresponding serial ports.
Beginning/stopping: clicking start button, that is, starts to carry out agreement engaged test；On the contrary, pressing stop button is then off test.It protects
Deposit analysis result: the content received in data frame can both be carried out preservation backup by clicking the button, convenient in test history
It checks.Clear screen: clicking the button, and can will send data and receive the content in data and empty.It returns: returning to main interface.Most
Right-hand button: page switching button, interface can be jumped by clicking corresponding button.When in use, agreement Blind Test step is selected first
It selects suitable serial ports (generally COM2 mouthfuls), clicks OPEN and open the serial ports, agreement can be carried out by then clicking on START button
Blind Test at this time judges the data of receiving probably with one protocol mode of switching in two seconds in sending data frame.It beats again
Open string mouth Helper program, sets the serial ports of virtual machine, after receiving the message of embedded board, can send it is corresponding with
Machine data packet carries out agreement Blind Test.If it is intended to stopping test, " stopping " button is clicked.If it is desired to the result of test is protected
It leaves and, click " saving analysis result ".
The serial ports that function button uses: identical with the serial port setting of agreement Blind Test.There are three options altogether, are respectively
COM1, COM2 and COM3 mouthfuls, the calling serial ports corresponded under Linux system is ttymxc1, ttymxc2 and ttymxc3 respectively.Its
In, the serial ports of the corresponding embedded board of COM2 is RS485/UART3, and COM3 is then that RS232/UART2 chooses corresponding string
OPEN button, that is, openable corresponding serial ports is clicked after mouthful.Baud rate: suitable baud rate is selected to be selected.Agreement: selection
Carry out the protocol format of transmitting-receiving test, including IEC101, IEC103, IEC104 and MODBUS agreement.Working method: it is divided into
Host mode and slave mode.Communication process under host mode is first to send data by embedded version, is receiving other side's slave
The information of feedback.And the data for then needing first to receive to be sended over by peer under slave mode, feedback a data
Packet.Operating mode: selection agreement is sent using ASCII character transmission or RTU.(supporting RTU at present) setup test: prepare to survey
The data packet used is tried, into the preparation work of transmitting-receiving test.It sends data: data packet is sent according to the format of different agreement.
Clear screen: clicking the button, and can will send data and receive the content in data and empty.Save result: by channel quality analysis
Data in frame save, convenient to be checked in test history.
Host mode: selecting suitable serial ports (generally COM2), clicks " OPEN " button, selects corresponding baud rate,
Click the agreement that the selection of " SELECT " button needs to receive and dispatch test.Then, " host mode " is selected in working method, worked
" RTU " mode is selected in mode." setup test " button is clicked, preparation just completes, so that it may start to send data.
Click " sending data " button, so that it may send data to other side's slave, wait the feedback information of slave.The information of slave feedback
It can be shown in and receive in data frame, while can also analyze whether data packet malfunctions, to be calculated, so that channel quality is analyzed,
It is finally shown in channel quality analysis frame.If it is intended to saving analysis as a result, clicking " saving results button ".
Slave mode: selecting suitable serial ports (generally COM2), clicks " OPEN " button, selects corresponding baud rate,
Click " SELECT " button.Selection needs to receive and dispatch the agreement of test.Then, " slave mode " is selected in working method, in work
" RTU " mode is selected in operation mode." setup test " button is clicked, preparation just completes, so that it may start to send data
?.Host is waited to send data, if showing that the data received can click " sending data " button in receiving box
Feedback information is to host.The information that host is sent, which can be shown in, to be received in data frame, while can also analyze whether data packet malfunctions,
It is calculated, to analyze channel quality, is finally shown in channel quality analysis frame.If it is intended to save analysis as a result,
Click " saving results button ".
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of novel and multifunctional power communication network tester, which is characterized in that signal is imported embedded by hardware platform
System is handled by integration test and analysis software platform, is provided in comprehensive test analysis software platform and has test
The stipulations storehouse of function, the comprehensive test analysis software platform improve the analysis speed to message by finite state machine algorithm,
It is additionally provided with channel quality assessment and Early-warning Model in comprehensive test analysis software platform, passes through channel quality assessment and early warning mould
Type passes through the quantizating index of channel transmission signal quality to hardware platform, when quality changes, channel quality assessment and early warning
Model issues warning signal, and when network tester tests communication network, first carries out self-test to selftest channel, and to comprehensive
It closes the agreement inside test and analysis software platform and is scanned confirmation.
2. a kind of novel and multifunctional power communication network tester according to claim 1, which is characterized in that the hardware
Platform uses 32 arm processors and 32 embedded OSs of outfit and GUI graphical interfaces have the independent void of building
Quasi- instrument system completes test function by hardware platform independent test or cooperation integration test and analysis software platform.
3. a kind of novel and multifunctional power communication network tester according to claim 1, which is characterized in that stipulations storehouse is logical
Cross comprehensive test analysis software platform parsed, message capturing and simulation main website, simulate slave station test function nucleus module,
And by finite state machine, error detecing capability and data-handling efficiency are improved.
4. a kind of novel and multifunctional power communication network tester according to claim 1, which is characterized in that described limited
State machine algorithms include first part and second part, and it is automatic that first part constructs a determining state using a set of keyword
Machine, second part can all be given after this state machine finds a keyword match using text string as the input of state machine
A corresponding signal out.
5. a kind of novel and multifunctional power communication network tester according to claim 1, which is characterized in that the synthesis
Test and analysis software platform can be tested with power communication equipment, electric control appliance network consistingization simultaneously.
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Application publication date: 20190906 |