CN107959600A - The method of monitoring network communication failure - Google Patents
The method of monitoring network communication failure Download PDFInfo
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- CN107959600A CN107959600A CN201711320251.8A CN201711320251A CN107959600A CN 107959600 A CN107959600 A CN 107959600A CN 201711320251 A CN201711320251 A CN 201711320251A CN 107959600 A CN107959600 A CN 107959600A
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- hmi
- clients
- switch
- hmi clients
- default
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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
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
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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
- H04L41/0677—Localisation of faults
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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
- H04L41/069—Management of faults, events, alarms or notifications using logs of notifications; Post-processing of notifications
Abstract
The present invention relates to monitoring network communication failure technology.The present invention is solved due to network service hit, the problem of can not finding trouble point in time, it is proposed that a kind of method of monitoring network communication failure, its drip irrigation device are：System initialization；Monitor the communications status of the default HMI clients and other-end, if it is 0 to monitor function return value, then represent communication failure, whether the value for first determining whether indexed variable at this time is 0, if 0, the value of this indexed variable is then changed to 1, then obtains system time, communications status result and system time are write in journal file；If it is 1 to monitor function return value, then it represents that communication is normal, and whether the value for first determining whether indexed variable at this time is 1, if 1, then the value of this indexed variable is changed to 0, then obtains system time, and communications status result and system time are write in journal file；According to default HMI clients in journal file and the communications status result and system time failure judgement point of other-end.
Description
Technical field
The present invention relates to the technology of hot rolling line technology, more particularly to monitoring network communication failure.
Background technology
In hot continuous rolling production line, Basic automation control system constitutes a relatively independent network.It is basic automatic
Networked control systems are mainly by multiple PLC, HMI servers, multiple HMI clients, the network equipment (such as interchanger, optical transceiver, light
Fibre, twisted-pair feeder etc.) composition, its structure diagram is referring to Fig. 1, it is however generally that, PLC is located at electric panel room, and HMI servers are located at center
Computer room, HMI clients are located at operating room.
PLC communicates with HMI servers, is mainly used for controlling the action of field device to complete to produce, and pass through HMI
Corresponding control information is distributed to HMI clients by server, and can receive the data letter of the return from HMI clients
Breath；
HMI clients communicate with HMI servers, are mainly used for the operating condition of Dynamic Announce field device, there is provided
Operation screen changes technical parameter, operation and the operating of control device etc. to site operation personnel.
Due to PLC, HMI server, HMI clients geographically relatively far apart, it is therefore desirable to use multiple networks
Equipment connects them, this just constitutes an independent production network system, is as shown in Figure 1 typical this production
Network system：
In electric panel room：More PLC are linked into 3rd switch, and 3rd switch connects the 4th optical transceiver.
In central machine room：4th optical transceiver the 3rd optical transceiver (being connected between them by optical fiber) of connection, the 3rd
Optical transceiver is connected to second switch, second switch connection HMI servers and HMI clients (optional), second switch
Connect the second optical transceiver.
In operating room：Second optical transceiver connects the first optical transceiver (being connected between them by optical fiber), the first light
Transceiver is connected to the first interchanger, the first interchanger connection HMI clients.
In the actual production process, communication failure often occurs, directly translates into the operating personnel of operating room in HMI visitors
On the monitored picture at family end find picture " blank screen ", i.e., HMI clients can not with PLC carry out data interaction, HMI clients and
The communication disruption of PLC, operating personnel can not very be endangered by the operating condition of HMI client control field devices, such case
Danger, operating personnel can only produce with operating experience, this just may greatly cause steel scrap even to damage equipment.
It is relatively easy to for the investigation of simple communication failure, such as communication failure occur in the first HMI clients, remaining visitor
Family end is normal, then can lock fault coverage in this client body, the first interchanger, client body and the first interchanger
Between twisted-pair feeder.
And it is then extremely difficult for the investigation of complex communication failure, such as network service hit phenomenon.Network leads to
Letter hit refers to that a certain client or certain Liang Tai, the more clients and communication of HMI servers are disconnected, in several seconds to a few minutes
Communication is automatic to recover, and break down time, number is irregular follows.Due to being " hit ", computer operator on duty does not have
Time enough responds, and is connected to phone and also recovers without arrival on-scene communication is just automatic, causes trouble point not find, logical
Easily steel scrap is caused even to damage equipment if producing in letter fault time point.
The content of the invention
The object of the present invention is to provide a kind of method of monitoring network communication failure, solves at present due to network service wink
Disconnected, computer operator on duty does not have time enough response, is connected to phone also without on-scene communication is reached with regard to recovering automatically, leads
Cause trouble point not find, easily cause steel scrap if producing within communication failure time point or even damage asking for equipment
Topic.
The present invention solves its technical problem, and the technical solution of use is：The method of monitoring network communication failure, applied to base
Plinth automation control system, it is characterised in that comprise the following steps：
Step 1, operate in corresponding exploitation program in default HMI clients, and by system initialization, it is described default
HMI client network devices are normal, and the initialization is included at least each indexed variable of default HMI clients and other-end
Value be disposed as 0, then start clock-controlled component；
Step 2, call monitoring function to monitor the communications status for presetting HMI clients and other-end, if monitoring function
Return value is 0, then it represents that the default HMI clients and other-end communication failure, first determine whether the default HMI visitors at this time
Whether the value of the indexed variable corresponding to family end and monitored terminal is 0, if 0, then the value of this indexed variable is changed to 1, then
System time is obtained, calls log function to write communications status result and system time in journal file；
Step 3, call monitoring function to monitor the communications status for presetting HMI clients and other-end, if monitoring function
Return value is 1, then it represents that the default HMI clients communicate normally with other-end, first determine whether the default HMI visitors at this time
Whether the value of the indexed variable corresponding to family end and monitored terminal is 1, if 1, then the value of this indexed variable is changed to 0, then
System time is obtained, calls log function to write communications status result and system time in journal file；
Step 4, sentence according to communications status result and system time that HMI clients and other-end are preset in journal file
Disconnected trouble point.
Specifically, in step 1, the scan period of the clock-controlled component is 500 milliseconds.
Further, in step 1, the system initialization further include the IP address in reading INI files character string and
The original state of interface Button, Label are set.
Specifically, in step 3, after communication failure recovers automatically, the value of indexed variable is 0, when the next scanning of execution
During the cycle, it is not necessary to write daily record again.
Yet further, in step 1-4, the default HMI clients be operating room the first HMI clients, other ends
End includes the 2nd HMI clients, the 3rd HMI clients, the 4th HMI clients in operating room, and the HMI in central machine room is serviced
Device, the 5th HMI clients, the first PLC, the 2nd PLC, the 3rd PLC in electric panel room.
Specifically, in step 1-4, during failure judgement point, as long as the first HMI clients with one or one in operating room with
Upper HMI client communications are normal, then the first HMI clients are necessarily working properly；If the first HMI clients and two of which or
Two or more HMI client communication failures, then can be the first exchange fault with preliminary judgement；As long as the first HMI clients with
One of them or more than one HMI client communications are normal, then the first HMI clients with other any HMI client communications therefore
Barrier then may determine that be exactly the network equipment between this HMI client body failure or this HMI client and the first interchanger therefore
Barrier, the network equipment between this described HMI client and the first interchanger include this HMI client and are inserted into connecing for the first interchanger
Mouthful.
Yet further, in step 1-4, during failure judgement point, as long as the first HMI clients with one in central machine room or
The communication of more than one terminal is normal, then the first HMI clients are necessarily working properly to the network equipment between second switch；When
First interchanger is working properly, the event as long as the first HMI clients communicate with two of which in central machine room or two or more terminal
Barrier, then can be determined that it is that first line to the network equipment failure between second switch, the first line to second exchanges
The network equipment between machine includes first line, the first optical transceiver, the second circuit, the second optical transceiver, tertiary circuit and the
Two interchangers；As long as the first HMI clients communicate normally with one of them or more than one terminal, then the first HMI clients with
Any other-end communication failure judges the network between terminal fault or this terminal and second switch for this in central machine room
Equipment fault, the network equipment between described this terminal and second switch include the interface of this terminal insertion second switch.
Specifically, in step 1-4, during failure judgement point, as long as the first HMI clients with one or one in electric panel room with
Upper plc communication is normal, then the first HMI clients are necessarily working properly to the network equipment between 3rd switch；When the first friendship
Change planes, second switch it is working properly, as long as two or more plc communication failures in the first HMI clients and electric panel room,
Then can be determined that to be the 4th circuit to the network equipment failure between 3rd switch, the 4th circuit to 3rd switch it
Between the network equipment include the 4th circuit, the 3rd optical transceiver, the 5th circuit, the 4th optical transceiver, the 6th circuit and the 3rd hand over
Change planes；As long as the first HMI clients and one or more plc communications in electric panel room are normal, then the first HMI clients with electricity
Other any plc communication breakdown judges network equipment event between PLC failures or this PLC and 3rd switch for this in gas chamber
Barrier, the network equipment between this described PLC and 3rd switch include the interface of this PLC insertion 3rd switch.
The invention has the advantages that by the method for above-mentioned monitoring network communication failure, by monitoring function return value
And the value of indexed variable judges whether default HMI clients break down with other-end, and judged according to communications status result
It is out of order a little, computer operator on duty to the communications status of field network equipment can monitor in real time, from daily record text
Acquisition is detailed in part, accurately records, and according to these records, computer operator on duty can just make a response rapidly, replace scene
The network equipment of job insecurity or exception, ensures the stabilization normal operation of network, so as to avoid because Network Abnormal it is special
Steel scrap and equipment damage caused by being network hit phenomenon, improve the speed and ability of computer personnel's handling failure, significantly
The production accident time is reduced, the steel scrap for avoiding therefore producing and the time of processing steel scrap, the equipment for protecting scene, extends
The service life of equipment, while improve the degree of automation.
Brief description of the drawings
Fig. 1 is the structure diagram of existing Basic automation control system.
Embodiment
With reference to the accompanying drawings and embodiments, detailed description of the present invention technical solution.
The method of monitoring network communication failure of the present invention, applied to Basic automation control system, by following steps
Composition：
Step 1, operate in corresponding exploitation program in default HMI clients, and by system initialization, wherein, preset
HMI client network devices are normal, and initialization is included at least the value of default HMI clients and each indexed variable of other-end
0 is disposed as, then starts clock-controlled component；
Step 2, call monitoring function to monitor the communications status for presetting HMI clients and other-end, if monitoring function
Return value is 0, then it represents that the default HMI clients and other-end communication failure, first determine whether the default HMI visitors at this time
Whether the value of the indexed variable corresponding to family end and monitored terminal is 0, if 0, then the value of this indexed variable is changed to 1, then
System time is obtained, calls log function to write communications status result and system time in journal file；
Step 3, call monitoring function to monitor the communications status for presetting HMI clients and other-end, if monitoring function
Return value is 1, then it represents that the default HMI clients communicate normally with other-end, first determine whether the default HMI visitors at this time
Whether the value of the indexed variable corresponding to family end and monitored terminal is 1, if 1, then the value of this indexed variable is changed to 0, then
System time is obtained, calls log function to write communications status result and system time in journal file；
Step 4, sentence according to communications status result and system time that HMI clients and other-end are preset in journal file
Disconnected trouble point.
Embodiment
The method of monitoring network communication failure of the embodiment of the present invention, applied to Basic automation control system, including it is following
Step：
Step 1, operate in corresponding exploitation program in default HMI clients, and by system initialization, wherein, preset
HMI client network devices are normal, and initialization is included at least the value of default HMI clients and each indexed variable of other-end
0 is disposed as, then starts clock-controlled component；
Step 2, call monitoring function to monitor the communications status for presetting HMI clients and other-end, if monitoring function
Return value is 0, then it represents that the default HMI clients and other-end communication failure, first determine whether the default HMI visitors at this time
Whether the value of the indexed variable corresponding to family end and monitored terminal is 0, if 0, then the value of this indexed variable is changed to 1, then
System time is obtained, calls log function to write communications status result and system time in journal file；
Step 3, call monitoring function to monitor the communications status for presetting HMI clients and other-end, if monitoring function
Return value is 1, then it represents that the default HMI clients communicate normally with other-end, first determine whether the default HMI visitors at this time
Whether the value of the indexed variable corresponding to family end and monitored terminal is 1, if 1, then the value of this indexed variable is changed to 0, then
System time is obtained, calls log function to write communications status result and system time in journal file；
Step 4, sentence according to communications status result and system time that HMI clients and other-end are preset in journal file
Disconnected trouble point.
In the above method, in step 1, the scan period of clock-controlled component is preferably 500 milliseconds, can also as needed freely
Setting, system initialization further include the IP address in reading INI files character string and set interface Button, Label just
Beginning state etc.；In step 3, after communication failure recovers automatically, the value of indexed variable is 0, when performing next scan period,
Daily record need not be write again.
In step 1-4, the first HMI clients that HMI clients are operating room are preset, other-end is included in operating room
2nd HMI clients, the 3rd HMI clients, the 4th HMI clients, HMI servers, the 5th HMI client in central machine room
Hold, the first PLC, the 2nd PLC, the 3rd PLC in electric panel room.
During failure judgement point, as long as one or more HMI client communications are just in the first HMI clients and operating room
Often, then the first HMI clients are necessarily working properly；As long as the first HMI clients and two of which or two or more HMI clients
Communication failure, then can be the first exchange fault with preliminary judgement；As long as the first HMI clients with one of them or more than one
HMI client communications are normal, then the first HMI clients then may determine that to be exactly this with other any HMI client communications failures
Network equipment failure between HMI client body failures or this HMI client and the first interchanger, this HMI client and the
The network equipment between one interchanger includes the interface that this HMI client is inserted into the first interchanger.
As long as the first HMI clients communicate normally with one or more terminals in central machine room, then the first HMI client
End is necessarily working properly to the network equipment between second switch；When the first interchanger is working properly, as long as the first HMI client
End and two of which or two or more terminal communication failure in central machine room, then can be determined that to be first line to second switch
Between network equipment failure, first line to the network equipment between second switch include first line, the first light receive and dispatch
Device, the second circuit, the second optical transceiver, tertiary circuit and second switch；As long as the first HMI clients and one of them or one
A above terminal communication is normal, then the first HMI clients judge for this eventually with any other-end communication failure in central machine room
Hold the network equipment failure between failure or this terminal and second switch, the network equipment between this terminal and second switch
Include the interface of this terminal insertion second switch.
As long as the first HMI clients and one or more plc communications in electric panel room are normal, then the first HMI clients
It is necessarily working properly to the network equipment between 3rd switch；When the first interchanger, second switch are working properly, as long as
One HMI clients and two or more plc communication failures in electric panel room, then can be determined that it is the 4th circuit to the 3rd exchange
Network equipment failure between machine, the 4th circuit to the network equipment between 3rd switch includes the 4th circuit, the 3rd light is received
Send out device, the 5th circuit, the 4th optical transceiver, the 6th circuit and 3rd switch；As long as the first HMI clients and in electric panel room one
A or more than one plc communication is normal, then other any plc communication breakdown judges are for this in the first HMI clients and electric panel room
Network equipment failure between PLC failures or this PLC and 3rd switch, the network equipment between this PLC and 3rd switch
Include the interface of this PLC insertion 3rd switch.
Claims (8)
1. the method for monitoring network communication failure, applied to Basic automation control system, it is characterised in that including following step
Suddenly：
Step 1, operate in corresponding exploitation program in default HMI clients, and by system initialization, the default HMI visitors
The family end network equipment is normal, and the initialization is included at least the value of default HMI clients and each indexed variable of other-end
0 is disposed as, then starts clock-controlled component；
Step 2, call monitoring function to monitor the communications status of the default HMI clients and other-end, is returned if monitoring function
It is worth for 0, then it represents that the default HMI clients and other-end communication failure, first determine whether the default HMI clients at this time
Whether the value with the indexed variable corresponding to monitored terminal is 0, if 0, then the value of this indexed variable is changed to 1, then obtain
System time, calls log function to write communications status result and system time in journal file；
Step 3, call monitoring function to monitor the communications status of the default HMI clients and other-end, is returned if monitoring function
It is worth for 1, then it represents that the default HMI clients communicate normally with other-end, first determine whether the default HMI clients at this time
Whether the value with the indexed variable corresponding to monitored terminal is 1, if 1, then the value of this indexed variable is changed to 0, then obtain
System time, calls log function to write communications status result and system time in journal file；
Step 4, communications status result and system time the judgement event according to default HMI clients in journal file and other-end
Barrier point.
2. the method for monitoring network communication failure according to claim 1, it is characterised in that in step 1, clock when described
The scan period of part is 500 milliseconds.
3. the method for monitoring network communication failure according to claim 1, it is characterised in that in step 1, at the beginning of the system
Beginningization further includes the character string of the IP address in reading INI files and sets the original state of interface Button, Label.
4. the method for monitoring network communication failure according to claim 1, it is characterised in that in step 3, work as communication failure
After automatic recovery, the value of indexed variable is 0, when performing next scan period, it is not necessary to write daily record again.
5. the method for the monitoring network communication failure according to claim 1-4 any one, it is characterised in that step 1-4
In, the default HMI clients are the first HMI clients of operating room, and other-end includes the 2nd HMI client in operating room
End, the 3rd HMI clients, the 4th HMI clients, HMI servers, the 5th HMI clients in central machine room, in electric panel room
First PLC, the 2nd PLC, the 3rd PLC.
6. the method for the monitoring network communication failure according to claim 1-4 any one, it is characterised in that step 1-4
In, during failure judgement point, as long as the first HMI clients and one or more HMI client communications in operating room are normal, then
First HMI clients are necessarily working properly；As long as the first HMI clients and two of which or two or more HMI client communications
Failure, then can be the first exchange fault with preliminary judgement；As long as the first HMI clients and one of them or more than one HMI
Client communication is normal, then the first HMI clients then may determine that to be exactly this HMI with other any HMI client communications failures
Network equipment failure between client body failure or this HMI client and the first interchanger, this described HMI client and the
The network equipment between one interchanger includes the interface that this HMI client is inserted into the first interchanger.
7. the method for the monitoring network communication failure according to claim 1-4 any one, it is characterised in that step 1-4
In, during failure judgement point, as long as the first HMI clients communicate normally with one or more terminals in central machine room, then
One HMI clients are necessarily working properly to the network equipment between second switch；When the first interchanger is working properly, as long as
Two of which or two or more terminal communication failure in one HMI clients and central machine room, then can be determined that be first line extremely
Network equipment failure between second switch, the first line to the network equipment between second switch include First Line
Road, the first optical transceiver, the second circuit, the second optical transceiver, tertiary circuit and second switch；As long as the first HMI clients
Communicate with one of them or more than one terminal normally, then the first HMI clients communicate with any other-end in central machine room
Breakdown judge for this with second hand over by the network equipment failure between terminal fault or this terminal and second switch, this described terminal
The network equipment between changing planes includes the interface of this terminal insertion second switch.
8. the method for the monitoring network communication failure according to claim 1-4 any one, it is characterised in that step 1-4
In, during failure judgement point, as long as the first HMI clients and one or more plc communications in electric panel room are normal, then first
HMI clients are necessarily working properly to the network equipment between 3rd switch；When the first interchanger, second switch work just
Often, as long as the first HMI clients and two or more plc communication failures in electric panel room, then can be determined that it is the 4th circuit
To the network equipment failure between 3rd switch, the 4th circuit to the network equipment between 3rd switch includes the 4th
Circuit, the 3rd optical transceiver, the 5th circuit, the 4th optical transceiver, the 6th circuit and 3rd switch；As long as the first HMI client
End is normal with one or more plc communications in electric panel room, then the first HMI clients are led to other any PLC in electric panel room
Believe the breakdown judge network equipment failure between PLC failures or this PLC and 3rd switch for this, this described PLC and the 3rd is handed over
The network equipment between changing planes includes the interface of this PLC insertion 3rd switch.
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| CN201711320251.8A CN107959600B (en) | 2017-12-12 | 2017-12-12 | Method for monitoring network communication fault |
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Cited By (1)
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| CN112927468A (en) * | 2021-03-20 | 2021-06-08 | 浙江尚昕能源科技有限公司 | Intelligent concentrator integrated with various communication modules |
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