CN105629862A - Real-time logging method for PLC-based control device - Google Patents
Real-time logging method for PLC-based control device Download PDFInfo
- Publication number
- CN105629862A CN105629862A CN201410616769.6A CN201410616769A CN105629862A CN 105629862 A CN105629862 A CN 105629862A CN 201410616769 A CN201410616769 A CN 201410616769A CN 105629862 A CN105629862 A CN 105629862A
- Authority
- CN
- China
- Prior art keywords
- plc
- time
- information
- real
- output device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Disclosed is a real-time logging method for a PLC-based control device. The method comprises the steps of giving a unique number for each metadata for describing the state of the control device; pressing information number corresponding to the metadata in a current period of a PLC into a stack in a device running process, and reading out and saving the current time of the PLC as a time stamp; after the PLC establishes communication connection with an output device, popping and transmitting the information number in the stack and the corresponding time stamp to the output device; and interpreting, by the output device, the received information number and the corresponding Time stamp to store a log of the control device. The above scheme can be used for recording and saving the state, running process, abnormal condition of the system and a command facilitating the monitoring and analysis of the system operation in real time in the form of a log.
Description
Technical field
Embodiments of the invention relate to PLC (programmable logic controller (PLC)) data and process, and are specifically related to the record based on the daily record in the control equipment of PLC.
Background technology
Existing with PLC for the automatic controlling device of control core, investigation to the monitoring of system mode and fault, the system information of maintenance state in the long period can only be recorded and observe after generation, or monitor the operation of PLC program by on-line continuous and understand the running status of equipment, the state disappeared immediately after quickly updating or occurring is difficult to direct decision state or order that order occurs and concrete reason.
Summary of the invention
Consider at least one technical problem of the prior art, it is proposed that a kind of based on the real-time logs recording method in the control equipment of PLC, enabling quickly and accurately judge the reason broken down.
In one aspect of the invention, it is proposed that a kind of real-time logs recording method controlling equipment based on programmable logic controller (PLC) PLC, including step: give one the unique numbering of every kind of metadata being used for describing the state of described control equipment; By information encoding press-in storehouse corresponding for the metadata in described PLC current period in equipment running process, and the current time reading described PLC preserves as timestamp; After described PLC sets up communication connection with output device, the information encoding in storehouse and corresponding timestamp are popped and be sent to described output device; And described output device understands the information encoding received and corresponding timestamp to store the daily record of described control equipment.
According to some embodiments, described PLC sets up communication connection with described output device by ICP/IP protocol or PROFIBUS agreement.
According to some embodiments, described control equipment be control safe examination system control device, described metadata includes: scanning start, the end of scan, scanning terminate.
According to some embodiments, utilize the date and time of the system clock of described PLC, as timestamp.
According to some embodiments, described daily record is sent to remote server storage by described output device.
According to some embodiments, described output device is specially touch screen or personal computer.
According to some embodiments, described metadata includes the current state of system command, the information collected and control equipment that needs gather.
According to some embodiments, started the record of the daily record to described control equipment by the mode of the manual command of teleinstruction or user or timing.
In another aspect of this invention, propose a kind of method of real time record daily record in safe examination system, described safe examination system includes the control equipment based on PLC and output device, described method includes step: each in the state of system command, the information collected or generation that needs are gathered, gives a fixing information encoding; When safe examination system is run, the information encoding that the order of status information, execution or the triggering occurred in this cycle of PLC is corresponding is pressed into storehouse, and the time reading the CPU current period of PLC preserves as information time stamp; PLC and external equipment are by, after setting up communication, stabbing, by the information encoding in storehouse and information time, transmission of popping; External equipment understands information time stamp after receiving, and information content corresponding for information encoding is listed, and completes list and the storage of daily record.
Utilize such scheme, to the state of system, operational process, unusual condition and the order contributing to monitoring analysis system work, carry out real time record, preserve with the form of daily record, it is easy to staff after equipment completes work or breaks down, finds by consulting, analyze daily record and verify whether system operational process reaches design object. Additionally, such scheme can also contribute to search system failure information, removal system fault.
Accompanying drawing explanation
In order to be better understood from the present invention, according to the following drawings, embodiments of the invention will be described:
Fig. 1 illustrates the process that container truck carries out in safe examination system according to embodiments of the present invention quickly inspection;
Fig. 2 illustrates the relation between the structure according to the PLC in embodiments of the invention and PLC and external device (ED);
Fig. 3 is the indicative flowchart of the method describing real time record daily record according to embodiments of the present invention.
Accompanying drawing not all circuit or structure to embodiment display. The accompanying drawing labelling running through all accompanying drawings identical represents same or analogous parts or feature.
Detailed description of the invention
Specific embodiments of the invention are described more fully below, it should be noted that the embodiments described herein is served only for illustrating, is not limited to the present invention. In the following description, in order to provide thorough understanding of the present invention, elaborate a large amount of specific detail. It will be apparent, however, to one skilled in the art that: these specific detail need not be adopted to carry out the present invention. In other instances, in order to avoid obscuring the present invention, do not specifically describe known circuit, material or method.
In entire disclosure, " embodiment ", " embodiment ", " example " or mentioning of " example " are meaned: the special characteristic, structure or the characteristic that describe in conjunction with this embodiment or example are involved at least one embodiment of the invention. Therefore, it is not necessarily all referring to same embodiment or example in the phrase " in one embodiment " of each local appearance of entire disclosure, " in an embodiment ", " example " or " example ". Furthermore, it is possible to any suitable combination and/or sub-portfolio by specific feature, structure or property combination in one or more embodiments or example. Additionally, it should be understood by one skilled in the art that the accompanying drawing in this offer is provided to descriptive purpose, and what accompanying drawing was not necessarily drawn to scale. Should be appreciated that it can be directly couple or be couple to another element or can there is intermediary element when claiming element " being couple to " or " being connected to " another element. On the contrary, when claiming element " being directly coupled to " or " being directly connected to " another element, it is absent from intermediary element. The element that identical accompanying drawing labelling instruction is identical. Term "and/or" used herein includes any and all combination of one or more relevant project listed.
Below in conjunction with accompanying drawing, the equipment that mobile target is carried out imaging inspection of the present invention is illustrated. As it can be seen, quickly check that using vehicle equipment illustrates as an embodiment. The description below is intended merely in conjunction with example that the present invention will be described, is not intended to limit the invention to the description below.
Fig. 1 is the schematic diagram describing inspection method according to embodiments of the present invention. As it is shown in figure 1, the equipment of quick-speed image-forming checking includes accelerator nacelle 109, quickly response light curtain switch 102,105 and 106, ground induction coil 103 and 108, photoswitch 110, protecting wall 104 and 111, velocity radar 107, several parts such as detector arm 112, control software design.
Quickly response light curtain switch 102 is arranged on the installation column of passage both sides, ground induction coil 103 is embedded in first switch below the earth's surface of feeder connection for vehicle entrance, protecting wall 104, 111 vertical be contained in passage both sides and connect with the accelerator nacelle 109 of passage both sides and detector arm 112 respectively, quickly response light curtain switch 105, on the wall of the 106 accelerator nacelle 109 being arranged on passage both sides and detector arm 112, photoswitch 110 is arranged on the protecting wall 111 of passage both sides, velocity radar 107 is arranged on accelerator nacelle 109 on the exterior wall of passage, ground induction coil 108 is embedded under the earth's surface of passage and is partial to Way out. checking process according to the present embodiment is as follows:
When in passage, vehicle number is 0, system is in holding state, when a car 101A sails to passage, ground induction coil 103 is first effective, and combination quickly response light curtain switch 102 completes the differentiation to vehicle heading, if vehicle sails passage into, in passage, number of vehicles adds 1, Vehicle Speed is measured by velocity radar 107, and system enters ready state. Vehicle continues to move forward, the state change in passage driving process of the system whole process registration of vehicle.
When vehicle with normal speed by 101A through 101B to 101C time photoswitch 110 effectively, switch the tested vehicle of condition discrimination of 105 now by light curtain and be container truck or close lorry, adopt different scanning trigger condition according to different automobile types. If vehicle now is to close lorry, accelerator goes out bundle immediately and is scanned.
The equipment of above-mentioned quick-speed image-forming checking can further include detector, after quickly response light curtain switch 102 detects that vehicle enters inspection area, if the condition discrimination of above-mentioned light curtain switch 105 is container truck, whether the driver's cabin starting to detect vehicle passes through and produces by signal, then be scanned checking when container arrives inspection area. Wherein said control system according to send from described detector by signal, produce to produce the control signal of electron beam for controlling described betatron system.
Above-mentioned quick series products is fast because of flow process speed, substantial amounts of equipment state is had to change in a short period of time, the information of system acquisition, triggering the quantity of information such as order bigger, and there are many transient change, the real-time status of system cannot record, by on-line continuous monitor PLC program operation also cannot be accurate, complete record whole service process.
Fig. 2 illustrates the relation between the structure according to the PLC in embodiments of the invention and PLC and external device (ED). As in figure 2 it is shown, the PLC201 as the core controlling equipment includes I/O circuit, CPU, program storage, user memory (data storage) and programmable device etc. This PLC can pass through switch 202 and set up and the communication of outside outut device such as touch screen/display 203.
Fig. 3 is the indicative flowchart of the method describing real time record daily record according to embodiments of the present invention. As it is shown on figure 3, in step S301, give one the unique numbering of every kind of metadata being used for describing the state of described control equipment. Such as, unique numbering is given to grand each of the state being likely to occur in certain rays safety detection apparatus, order and data etc. that some are important.
Then, in step S302, by information encoding press-in storehouse corresponding for the metadata in PLC current period in equipment running process, and the current time reading PLC preserves as timestamp.
In step S303, after PLC sets up communication connection with the output device injecting touch screen 203 etc, the information encoding in storehouse and corresponding timestamp are popped and be sent to output device.
In step S304, output device understands the information encoding received and corresponding timestamp to store the daily record of described control equipment.
So, can to the state of system, operational process, unusual condition and the order contributing to monitoring analysis system work, carry out real time record, preserve with the form of daily record, it is easy to staff after equipment completes work or breaks down, finds by consulting, analyze daily record and verify whether system operational process reaches design object; Can also contribute to search system failure information, removal system fault.
In certain embodiments, to the information such as state needing the system command gathered, the information collected, generation, a corresponding fixing information encoding. So, when the system is operated, the information encoding that the order of status information, execution or the triggering occurred in this cycle of PLC is corresponding is pressed into storehouse, and reads PLC system current time as information time stamp preservation.
PLC and the smart machine such as touch screen or PC are by relevant communication protocol (such as communications protocol such as ICP/IP protocol, PROFIBUS agreements) communication, after setting up communication, information encoding in storehouse and information time are stabbed transmission of popping by PLC, the smart machine such as touch screen or PC understands information time stamp after receiving, and information content corresponding for information encoding is listed, complete list and the storage of daily record. In other embodiments, it would however also be possible to employ the mode of wireless connections sets up the communication of PLC and the equipment such as touch screen or PC, or by network set up with remote server and be connected to come real time record log information.
Embodiments of the invention, can in shorter flow process based on the real-time logs recording method of PLC, and according to the sequencing of system state change, and the sequential of command triggers and execution, real-time records the system information needed for whole flow process. Designer by consult analyze daily record confirm the design to flow process and system mode determine whether meet design object, staff analyzes, also by consulting, fault and the failure cause that daily record quickly confirms to exist in flow process, fixes a breakdown fast and effectively.
Simultaneously, this kind of real-time logs recording method is also used for equipment operational system, preserve and report the system running state of scan control subsystem record and real-time system information, it is easy to related personnel and understands equipment state at Local or Remote, collect facility information on the other hand, also allow for on-the-spot and remote technology support staff together analytical equipment fault, search solution problem.
1) establishment information encoding list, it is determined that the information content that information encoding is corresponding, as: 100, represent that scanning starts; 101, represent the end of scan; 102, represent that scanning is interrupted;
2) date and time of PLC system clock is utilized, as the timestamp that information triggers;
3) by the storage such as information encoding and information bar number to specifying address, and being loaded into address register, record preserves;
4) the information time stamp that will send is resolved in 7 variablees, is date timesharing second millisecond respectively;
5) it is pressed into the mark of storehouse using the triggering of the time of system run time behaviour information change or order and the opportunity of execution as information encoding;
6) information encoding and information time stamp are saved in log buffer district, log-structured for timestamp+information encoding number; The bar number of the daily record that record sends and stores, and the information of a nearest daily record (form of timestamp+message number) simultaneously
7) PLC and the smart machine such as touch screen or PC set up communication by relevant communication protocol (such as communications protocol such as ICP/IP protocol, PROFIBUS agreements), and system is stored the information of storehouse and is sent to the smart machine such as touch screen or PC by PLC;
8) the information encoding list that the smart machine such as touch screen or PC is corresponding previously established, stabs the information content corresponding with information encoding, list records by the information time received, namely completes the record of real-time logs.
Although above description describes for quick inspection system, but such scheme can also be applied in other field by those skilled in the art, carrys out real time record and controls the daily record of equipment.
Above detailed description, by using schematic diagram, flow chart and/or example, has elaborated numerous embodiments of the method for real time record daily record. when comprising one or more function and/or operation in this schematic diagram, flow chart and/or example, it will be understood by those skilled in the art that each function in this schematic diagram, flow chart or example and/or operation can by various structures, hardware, software, firmware or substantially their combination in any individually and/or jointly to realize. in one embodiment, some parts of theme described in embodiments of the invention can be realized by special IC (ASIC), field programmable gate array (FPGA), digital signal processor (DSP) or other integrated forms. but, those skilled in the art will recognize that, some aspects of embodiments disclosed herein can realize in integrated circuits on the whole or partly equally, be embodied as on one or more computer run one or more computer programs (such as, be embodied as in one or more computer system run one or more programs), it is embodied as one or more programs of running on the one or more processors (such as, be embodied as on one or more microprocessors run one or more programs), it is embodied as firmware, or substantially it is embodied as the combination in any of aforesaid way, and those skilled in the art are according to the disclosure, will be provided with design circuit and/or the ability of write software and/or firmware code. in addition, it would be recognized by those skilled in the art that, the mechanism of theme described in the disclosure can be distributed as the program product of various ways, and regardless of the actual particular type being used for performing the signal bearing medium of distribution, the exemplary embodiment of theme described in the disclosure is all applicable. the example of signal bearing medium includes but not limited to: recordable-type media, such as floppy disk, hard disk drive, compact-disc (CD), digital universal disc (DVD), digital magnetic tape, computer storage etc., and transmission type media, such as numeral and/or analogue communication medium (such as, optical fiber cable, waveguide, wired communications links, wireless communication link etc.).
Although exemplary embodiment describing the present invention with reference to several, it is to be understood that, term used is to illustrate and exemplary and nonrestrictive term. The spirit without deviating from invention or essence can be embodied as in a variety of forms due to the present invention, it is to be understood that, above-described embodiment is not limited to any aforesaid details, and should explain widely in the spirit and scope that appended claims limit, therefore fall into the whole changes in claim or its equivalent scope and remodeling all should be appended claims and contained.
Claims (10)
1. based on the real-time logs recording method controlling equipment of programmable logic controller (PLC) PLC, including step:
Give one the unique numbering of every kind of metadata being used for describing the state of described control equipment;
By information encoding press-in storehouse corresponding for the metadata in described PLC current period in equipment running process, and the current time reading described PLC preserves as timestamp;
After described PLC sets up communication connection with output device, the information encoding in storehouse and corresponding timestamp are popped and be sent to described output device; And
Described output device understands the information encoding received and corresponding timestamp to store the daily record of described control equipment.
2. real-time logs recording method as claimed in claim 1, wherein said PLC sets up communication connection with described output device by ICP/IP protocol or PROFIBUS agreement.
3. log recording method as claimed in claim 1, wherein said control equipment is the control device controlling safe examination system, and described metadata includes: scanning starts, the end of scan, scanning terminate.
4. real-time logs recording method as claimed in claim 1, wherein utilizes the date and time of the system clock of described PLC, as timestamp.
5. real-time logs recording method as claimed in claim 1, described daily record is sent to remote server storage by wherein said output device.
6. real-time logs recording method as claimed in claim 1, wherein said output device is specially touch screen or personal computer.
7. real-time logs recording method as claimed in claim 1, wherein said metadata includes the current state of system command, the information collected and control equipment that needs gather.
8. real-time logs recording method as claimed in claim 1, starts the record of the daily record to described control equipment by the mode of the manual command of teleinstruction or user or timing.
9. a method for real time record daily record in safe examination system, described safe examination system includes the control equipment based on PLC and output device, and described method includes step:
To each in the state needing the system command gathered, the information collected or generation, give a fixing information encoding;
When safe examination system is run, the information encoding that the order of status information, execution or the triggering occurred in this cycle of PLC is corresponding is pressed into storehouse, and the time reading the CPU current period of PLC preserves as information time stamp;
PLC and external equipment are by, after setting up communication, stabbing, by the information encoding in storehouse and information time, transmission of popping;
External equipment understands information time stamp after receiving, and information content corresponding for information encoding is listed, and completes list and the storage of daily record.
10. the method for real time record daily record as claimed in claim 9, wherein said PLC sets up communication connection with described external device (ED) by ICP/IP protocol or PROFIBUS agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616769.6A CN105629862B (en) | 2014-11-05 | 2014-11-05 | Real-time log recording method of control equipment based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616769.6A CN105629862B (en) | 2014-11-05 | 2014-11-05 | Real-time log recording method of control equipment based on PLC |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105629862A true CN105629862A (en) | 2016-06-01 |
| CN105629862B CN105629862B (en) | 2020-03-17 |
Family
ID=56044927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410616769.6A Active CN105629862B (en) | 2014-11-05 | 2014-11-05 | Real-time log recording method of control equipment based on PLC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105629862B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580892A (en) * | 2018-03-15 | 2018-09-28 | 大族激光科技产业集团股份有限公司 | A kind of powdering formula laser 3D printing system and its recording method |
| CN109100981A (en) * | 2017-06-21 | 2018-12-28 | 利乐拉瓦尔集团及财务有限公司 | The method of log record process data in PLC control equipment |
| CN109460392A (en) * | 2018-10-10 | 2019-03-12 | 东软集团股份有限公司 | Journal file acquisition method, device, readable storage medium storing program for executing and electronic equipment |
| CN110320825A (en) * | 2018-03-28 | 2019-10-11 | 北京京东尚科信息技术有限公司 | A kind of method and apparatus counting equipment state |
| CN110389846A (en) * | 2018-04-16 | 2019-10-29 | 纬创资通股份有限公司 | The electronic device and its method of record event |
| CN111669389A (en) * | 2020-06-03 | 2020-09-15 | 浙江中控技术股份有限公司 | Data transmission method and device of industrial control system and related equipment |
| CN112486054A (en) * | 2020-10-29 | 2021-03-12 | 惠州市德赛西威汽车电子股份有限公司 | Device and method for controlling on-off of signal |
| CN116027771A (en) * | 2023-03-30 | 2023-04-28 | 深圳市深蓝宇科技有限公司 | Abnormality detection method for industrial personal computer control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110167A (en) * | 2011-03-01 | 2011-06-29 | 上海奈凯电子科技有限公司 | Method for implementing log information management in numerical control system |
| JP2012103936A (en) * | 2010-11-11 | 2012-05-31 | Sharp Corp | Log output device and rearrangement method for its output log |
| CN103631699A (en) * | 2012-08-28 | 2014-03-12 | 纽海信息技术（上海）有限公司 | Log management system and method for log monitoring, acquiring and querying |
| CN103718122A (en) * | 2011-09-02 | 2014-04-09 | 横河电机株式会社 | Field apparatus |
-
2014
- 2014-11-05 CN CN201410616769.6A patent/CN105629862B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012103936A (en) * | 2010-11-11 | 2012-05-31 | Sharp Corp | Log output device and rearrangement method for its output log |
| CN102110167A (en) * | 2011-03-01 | 2011-06-29 | 上海奈凯电子科技有限公司 | Method for implementing log information management in numerical control system |
| CN103718122A (en) * | 2011-09-02 | 2014-04-09 | 横河电机株式会社 | Field apparatus |
| CN103631699A (en) * | 2012-08-28 | 2014-03-12 | 纽海信息技术（上海）有限公司 | Log management system and method for log monitoring, acquiring and querying |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100981A (en) * | 2017-06-21 | 2018-12-28 | 利乐拉瓦尔集团及财务有限公司 | The method of log record process data in PLC control equipment |
| CN109100981B (en) * | 2017-06-21 | 2023-11-14 | 利乐拉瓦尔集团及财务有限公司 | Method for logging process data in a PLC control device |
| CN108580892A (en) * | 2018-03-15 | 2018-09-28 | 大族激光科技产业集团股份有限公司 | A kind of powdering formula laser 3D printing system and its recording method |
| CN110320825A (en) * | 2018-03-28 | 2019-10-11 | 北京京东尚科信息技术有限公司 | A kind of method and apparatus counting equipment state |
| CN110389846A (en) * | 2018-04-16 | 2019-10-29 | 纬创资通股份有限公司 | The electronic device and its method of record event |
| CN110389846B (en) * | 2018-04-16 | 2022-10-11 | 纬创资通股份有限公司 | Electronic device for recording event and method thereof |
| CN109460392A (en) * | 2018-10-10 | 2019-03-12 | 东软集团股份有限公司 | Journal file acquisition method, device, readable storage medium storing program for executing and electronic equipment |
| CN111669389A (en) * | 2020-06-03 | 2020-09-15 | 浙江中控技术股份有限公司 | Data transmission method and device of industrial control system and related equipment |
| CN112486054A (en) * | 2020-10-29 | 2021-03-12 | 惠州市德赛西威汽车电子股份有限公司 | Device and method for controlling on-off of signal |
| CN116027771A (en) * | 2023-03-30 | 2023-04-28 | 深圳市深蓝宇科技有限公司 | Abnormality detection method for industrial personal computer control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105629862B (en) | 2020-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105629862A (en) | Real-time logging method for PLC-based control device | |
| CN103699111B (en) | The fault detection method of distributed monitoring system and device | |
| BR102012032958A2 (en) | SYSTEM AND METHOD FOR REMOTE AND AUTOMATIC ASSESSMENT OF STRUCTURAL DAMAGE AND REPAIR | |
| CN103115667B (en) | A kind of sensor-based vibration monitoring device | |
| CN105068925A (en) | Software security flaw discovering system | |
| US20100329573A1 (en) | Display test device, display test method, and storage medium | |
| CN103678105A (en) | Page code testing method and device | |
| CN110990297A (en) | Testing method and device of interlocking system and electronic equipment | |
| CN101916224A (en) | Test progress abnormality detection method and automatic test control device | |
| CN103065694B (en) | Nuclear power plant's major accident instrument availability analytical approach | |
| BR102015000214A2 (en) | remote diagnostic system | |
| CN104881729A (en) | Electric power marketing system power failure information processing method, and electric power marketing system power failure information processing system | |
| Hegedűs et al. | Proactive maintenance of railway switches | |
| US11755007B2 (en) | System and method for determining a health condition and an anomaly of an equipment using one or more sensors | |
| CN103020773B (en) | Elevator intelligent laboratory information management system based on RFID | |
| WO2019011039A1 (en) | Turnout information processing method and apparatus | |
| CN110287470B (en) | Urban rail transit vehicle hook buffer device detection form generation system | |
| Sakr et al. | Visualization of structural health monitoring information using Internet-of-Things integrated with building information modeling | |
| CN105791042A (en) | Communication quality test method in ETC (Electronic Toll Collection) system | |
| CN103218277A (en) | Automatic detection method and device for server environment | |
| CN101106559B (en) | ATP-ATO debugging method based on packet parsing | |
| CN102929647B (en) | Mainboard method of upgrading integrated with front panel and device in digital hard disc video recorder | |
| CN109272674A (en) | A kind of self-service device malfunction elimination system for supporting to use under offline and on-line environment | |
| CN103903311A (en) | Intelligent machine room inspection method | |
| JP2006201844A (en) | Deteriorating status evaluation system and method for plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |