CN107589734A - A kind of wind electricity change paddle controller IO fastener method of testings - Google Patents
A kind of wind electricity change paddle controller IO fastener method of testings Download PDFInfo
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- CN107589734A CN107589734A CN201710734260.5A CN201710734260A CN107589734A CN 107589734 A CN107589734 A CN 107589734A CN 201710734260 A CN201710734260 A CN 201710734260A CN 107589734 A CN107589734 A CN 107589734A
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Abstract
A kind of wind electricity change paddle controller IO fastener method of testings.The device is by the good IO fasteners of one group of function of outside access, and IO fasteners and tested product IO fasteners are attached, and is compiled by program, the performance for the tested product IO fasteners of IO fasteners detection made good use of, and is recorded.There are the buttons such as beginning/stopping and reset on the control panel, it is simple and efficient to handle.Design specification of the present invention is reasonable, maintenance easy to operation, and security reliability is high.
Description
Technical field
The invention belongs to wind power pitch-controlled system technical field, is related to a kind of wind electricity change paddle controller IO fasteners and tests dress automatically
Put.
Background technology
With the fast development of wind-powered electricity generation industry, to wind-powered electricity generation auxiliary products quality and technically requirements at the higher level are proposed.Become oar
Controller PLC has conclusive effect as variable blade control system core component.And it is current, also without a set of perfect inspection
The method for surveying IO fasteners in pitch control device PLC.
IO fasteners are to refer to inputting in PLC, export fastener.In PLC control system, play a very important role.
If IO fasteners go wrong, such as：When system program needs to carry out output control to control unit, parts breakdown leads to not
High level is exported, causes system to break down；Or thering is control signal to need to be input in PLC, input card damage causes nothing
Method receives control signal, causes system can not make accurate judgement；Again or there is abnormal, itself generation height for no reason in fastener
Level, cause its input or output abnormality.
For this failure, the problem of prior art and shortcoming：It is not to be directed to the system that IO fasteners detect first, two
It is without many-sided situation for considering parts breakdown, is not carried out full-automatic unmanned chemical industry and makees.
The content of the invention
In order to solve the above-mentioned problems in the prior art, realize quickly is had to wind electricity change paddle controller IO fasteners
The test of effect, the invention discloses a kind of wind electricity change paddle controller IO fastener method of testings.
The present invention specifically uses following technical scheme：
A kind of wind electricity change paddle controller IO fastener method of testings, the IO fasteners are PLC to be tested IO fasteners, including 2
Individual DI fasteners, 2 DO fasteners；Characterized in that, the method for testing comprises the following steps：
Step 1：The first article for choosing normally functioning PLC tests tests PLC, and the test PLC also includes 2 DI cards
Part and 2 DO fasteners；
Step 2：PLC No. 1 DI of DI fasteners serial number, No. 2 DI will be tested, PLC DO fasteners serial number 3 will be tested
Number DO, No. 4 DO, by PLC to be tested No. 5 DI of DI fasteners serial number, No. 6 DI, by PLC to be tested DO fastener serial numbers
No. 7 DO, No. 8 DO；No. 1 DI, No. 2 DI fasteners are correspondingly connected to respectively by No. 8 DO, No. 7 DO fasteners by cable, pass through cable point
No. 3 DO, No. 4 DO fasteners No. 6 DI, No. 5 DI fasteners are not connected to correspondingly；
Step 3：Test PLC system and carry out fastener self-test, the system is by detecting whether fastener K-BUS buses are maintained at work
Make state；If detecting one and not reported an error with the K-BUS buses of upper fastener in working condition, system, and prompt
Mistake fastener position, system can exit self-test；Then fastener replacing is carried out；
Step 4：PLC system self-test is tested by rear, starts to test fastener；Each test period is arranged to
400 system cycle times；It is FALSE that preceding 200 system cycle times, which set all DO ports output,；200 systems afterwards
It is TRUE that circulation time, which sets all DO ports output,；And the working condition of all corresponding DI ports is detected simultaneously；Test
Automatic cycle is carried out, and system testing counter starts counting up；
Step 5：When the working condition of DO and DI ports corresponding to each cycle detection to two groups is inconsistent, failure counter
Start accumulated counts, wherein the working condition is inconsistent including following two situations：It is corresponding when the output of DO ports is FALSE
The DI ports of connection are TRUE；When the output of DO ports is TRUE, the DI ports of corresponding connection are FALSE；
Step 6：When testing PLC system test counter meter completely, test is automatically stopped；If it is desired to continue to test,
Then need to change test counter numeral, then start, continue to test；As long as once failure is just believed that IO fasteners not
It is qualified；
Step 7：After test terminates, test PLC system automatically saves failure counter indegree.
The present invention further comprises following preferred scheme：
In step 6, counter can artificially be configured targeted number, and counter counts are full of finger counts and reach pre-
The targeted number first set.
The targeted number of counter is arranged to 100000 times.
The present invention has technique effect beneficial below：
1, automatic detection is realized, without human users, improves person works' efficiency；
2, mass detection is realized, can be changed program and tested product quantity according to actual conditions needs, reach mass
Detection；
3, this method small volume is easy to use, can change tested product test environment according to the actual requirements, reach a variety of realities
Test purpose；
4, securely and reliably.
Brief description of the drawings
The IO fasteners and the attachment structure schematic diagram of PLC to be measured IO fasteners that Fig. 1 is test PLC；
Fig. 2 is IO fastener method of testing schematic flow sheets.
Embodiment
Technical scheme is described in further detail with reference to Figure of description.
It is a kind of wind electricity change paddle controller IO fastener method of testings disclosed by the invention as shown in Figure 2, the IO fasteners
For PLC to be tested IO fasteners, including 2 DI fasteners, 2 DO fasteners；Characterized in that, the method for testing includes following step
Suddenly：
Step 1：The first article for choosing normally functioning PLC tests tests PLC, and the test PLC also includes 2 DI cards
Part and 2 DO fasteners.
Step 2：PLC No. 1 DI of DI fasteners serial number, No. 2 DI will be tested, PLC DO fasteners serial number 3 will be tested
Number DO, No. 4 DO, by PLC to be tested No. 5 DI of DI fasteners serial number, No. 6 DI, by PLC to be tested DO fastener serial numbers
No. 7 DO, No. 8 DO；No. 1 DI, No. 2 DI fasteners are correspondingly connected to respectively by No. 8 DO, No. 7 DO fasteners by cable, pass through cable point
No. 3 DO, No. 4 DO fasteners No. 6 DI, No. 5 DI fasteners are not connected to correspondingly.
Order by fastener according to Fig. 1, is connected with CPU, and with connection cables, wherein, 1,2,3, No. 4 fastener is
Fastener is tested, for detecting tested product；5th, 6,7, No. 8 fasteners are tested product.Hardware, which is built, to be finished.
Step 3：Test PLC system and carry out fastener self-test, the system is by detecting whether fastener K-BUS buses are maintained at work
Make state；If detecting one and not reported an error with the K-BUS buses of upper fastener in working condition, system, and prompt
Mistake fastener position, system can exit self-test；Then fastener replacing is carried out；
It is whether the tested product communication of detection is faulty first, exactly detects K-BUS；After selected tested product, put it into and be
After system, upper electro-detection, system can detect whether its K-BUS communications are normal, and if K-BUS communication abnormalities, PLC can be in I/ first
Flashed at O lamps, quote its problem fastener position, such as the 6th fastener there are K-BUS failures, and I/O lantern festivals are connected with flashing 6 times for the cycle
Continuous flicker；If communication failure occurs, power-off, fastener is changed, then detected, until occurring without K-BUS failures.
Step 4：PLC system self-test is tested by rear, starts to test fastener；Each test period is arranged to
400 system cycle times；It is FALSE that preceding 200 system cycle times, which set all DO ports output,；200 systems afterwards
It is TRUE that circulation time, which sets all DO ports output,；And the working condition of all corresponding DI ports is detected simultaneously；Test
Automatic cycle is carried out, and system testing counter starts counting up；
When self-test by when, allow 4 DO fasteners 8 passages and meanwhile export high level, and duration T is then powered off
Output time T, a cycle are a testing time, and program circulation is carried out, and testing time just increases successively.In DO fastener passages
When exporting high level, corresponding position can light green light；Meanwhile the output of DI fasteners detection DO fasteners, when DI fasteners passage is examined
When measuring high level, green light can be also lighted, so, can intuitively observe whether fastener passage has exception.Abnormal situation
It is divided into two kinds：First, DO fasteners have output, but DI fasteners do not detect output；Second, DO fasteners are without output, but DI fasteners are examined
High level input is measured.When a fault has occurred, will flip-flop number, carry out the calculating of the number of stoppages.K-BUS is shown in
In program operation process, if having the appearance of K-BUS failures, and record the number of stoppages.
Temperature fastener is mainly the resistance for gathering PT100, and then computing is shown into temperature value.Circuit break and short circuit is distinguished
For its maximum and minimum.As long as detect its open circuit conditions, when its value shown is less than maximum, you can illustrate its fastener
It is faulty.It can be judged by program, then, set a counter, be less than the number of maximum with it is added up.
Step 5：When the working condition of DO and DI ports corresponding to each cycle detection to two groups is inconsistent, failure counter
Start accumulated counts, wherein the working condition is inconsistent including following two situations：It is corresponding when the output of DO ports is FALSE
The DI ports of connection are TRUE；When the output of DO ports is TRUE, the DI ports of corresponding connection are FALSE.
Step 6：When testing PLC system test counter meter completely, test is automatically stopped；If it is desired to continue to test,
Then need to change test counter numeral, then start, continue to test；As long as once failure is just believed that IO fasteners not
It is qualified；Counter can artificially be configured targeted number, can be set in advance as requested 100000 times.
Step 7：After test terminates, test PLC system automatically saves failure counter indegree.
All experimental datas are disposed as power down preservation, convenient to be extracted and checked in the future.
It the foregoing is only to explain presently preferred embodiments of the present invention, be not intended to according to this be the present invention any form
On limitation, therefore, it is all have make any modification or change for the present invention under identical creation spirit, should all include
The invention is intended to the category of protection.
Claims (3)
1. a kind of wind electricity change paddle controller IO fastener method of testings, the IO fasteners are PLC to be tested IO fasteners, including 2
DI fasteners, 2 DO fasteners；Characterized in that, the method for testing comprises the following steps：
Step 1：The first article for choosing normally functioning PLC test test PLC, the test PLC also including 2 DI fasteners with
2 DO fasteners；
Step 2：PLC No. 1 DI of DI fasteners serial number, No. 2 DI will be tested, PLC DO fasteners serial number 3 will be tested
DO, No. 4 DO, by PLC to be tested No. 5 DI of DI fasteners serial number, No. 6 DI, by PLC to be tested DO fasteners serial number 7
Number DO, No. 8 DO；No. 1 DI, No. 2 DI fasteners are correspondingly connected to respectively by No. 8 DO, No. 7 DO fasteners by cable, pass through cable point
No. 3 DO, No. 4 DO fasteners No. 6 DI, No. 5 DI fasteners are not connected to correspondingly；
Step 3：Test PLC system and carry out fastener self-test, the system is by detecting whether fastener K-BUS buses are maintained at work shape
State；If detecting one and not reported an error with the K-BUS buses of upper fastener in working condition, system, and prompt mistake
Fastener position, system can exit self-test；Then fastener replacing is carried out；
Step 4：PLC system self-test is tested by rear, starts to test fastener；Each test period is arranged to 400
System cycle time；It is FALSE that preceding 200 system cycle times, which set all DO ports output,；Afterwards during 200 system circulations
Between to set all DO ports to export be TRUE；And the working condition of all corresponding DI ports is detected simultaneously；Test follows automatically
Ring is carried out, and system testing counter starts counting up；
Step 5：When the working condition of DO and DI ports corresponding to each cycle detection to two groups is inconsistent, failure counter starts
Accumulated counts, wherein the working condition is inconsistent including following two situations：When the output of DO ports is FALSE, corresponding connection
DI ports be TRUE；When the output of DO ports is TRUE, the DI ports of corresponding connection are FALSE；
Step 6：When testing PLC system test counter meter completely, test is automatically stopped；If it is desired to continuing to test, then need
Test counter numeral is changed, then starts, continues to test；As long as once failure is just believed that IO fasteners do not conform to
Lattice；
Step 7：After test terminates, test PLC system automatically saves failure counter indegree.
2. wind electricity change paddle controller IO fastener method of testings according to claim 1, it is characterised in that：
In step 6, counter can artificially be configured targeted number, and counter counts are full of to refer to counts and reach to be set in advance
The targeted number put.
3. wind electricity change paddle controller IO fastener method of testings according to claim 2, it is characterised in that：
The targeted number of counter is arranged to 100000 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734260.5A CN107589734A (en) | 2017-08-24 | 2017-08-24 | A kind of wind electricity change paddle controller IO fastener method of testings |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710734260.5A CN107589734A (en) | 2017-08-24 | 2017-08-24 | A kind of wind electricity change paddle controller IO fastener method of testings |
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|---|---|
| CN107589734A true CN107589734A (en) | 2018-01-16 |
Family
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| CN201710734260.5A Withdrawn CN107589734A (en) | 2017-08-24 | 2017-08-24 | A kind of wind electricity change paddle controller IO fastener method of testings |
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| CN107065748A (en) * | 2017-05-10 | 2017-08-18 | 许继集团有限公司 | A kind of detection means of PLC program control logic |
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| US6757521B1 (en) * | 2000-06-12 | 2004-06-29 | I/O Controls Corporation | Method and system for locating and assisting portable devices performing remote diagnostic analysis of a control network |
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| CN101639676A (en) * | 2008-07-29 | 2010-02-03 | 上海梅山钢铁股份有限公司 | PLC single-channel multi-fault output device |
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Application publication date: 20180116 |
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