CN104765279B - Industrial refrigeration unit emulation test system and the test method for applying it - Google Patents
Industrial refrigeration unit emulation test system and the test method for applying it Download PDFInfo
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- CN104765279B CN104765279B CN201410006577.3A CN201410006577A CN104765279B CN 104765279 B CN104765279 B CN 104765279B CN 201410006577 A CN201410006577 A CN 201410006577A CN 104765279 B CN104765279 B CN 104765279B
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Abstract
The present invention provides a kind of industrial refrigeration unit emulation test system and the test methods of application, including refrigeration unit analogue system and coupled refrigeration unit master control system, refrigeration unit analogue system includes PLC, the WinMoD simulation unit and SIMBApro simulation unit that connect with PLC, refrigeration unit master control system includes PLC and man-machine interface, wherein: WinMoD simulation unit is used to simulate the channel I/O of each equipment in refrigeration unit, and SIMBApro simulation unit simulates the channel I/O and terminal function by using bus DP/PA.Present system can complete analog field device the case where and fieldbus, emulation testing is carried out to each equipment, field adjustable variations per hour mistake or point number is avoided to omit, the plenty of time has been saved for field adjustable, and realize that PLC program and simulator software program really realize seamless interfacing, by PC come debugging PLC program.The test of PLC program is carried out using present system, testing efficiency is high, not only saves the field adjustable time, but also energy saving, program stability is good.
Description
Technical field
The present invention relates to a kind of test macro based on WinMoD automation simulation technology and using the system to be tested
The method that software is tested is particularly suitable for testing industrial refrigeration unit control program.
Background technique
Industrial refrigeration unit be by refrigeration compressor, condenser, evaporator, solenoid valve, oil eliminator, liquid storing barrel, motor,
The components such as oil pump return filter composition.In order to constantly improve refrigerating efficiency, stable operation, generally use that PLC(is programmable to patrol
Collect controller) it is controlled.PLC is used to storage inside it and is executed logical operation, suitable using the memory that can program
The instruction of the operations such as sequence operation, timing, counting and arithmetical operation, and can be output and input by digital or analog, it controls
Make various types of mechanical or production processes.But before PLC participates in control refrigeration unit operation, the PLC journey of write completion
Sequence needs after verifying and excluding logic error, can just put into production equipment and use, traditional test method mainly has
On-the-spot test and two kinds of hardware testing, in which:
The method of on-the-spot test is that the PLC program write is downloaded in CPU, and PLC journey is run in equipment at the scene
Sequence, to check whether PLC program is write correctly.For example download to PLC program in the CPU of compressor control disk, pass through operation
Panel runs to start compressor, observes operating status and performance.Debugging PLC program has certain risk in this way,
The equipment such as compressor are easily damaged, and waste electric energy.The method of hardware testing is that the PLC program write is downloaded in CPU,
It is connect using the equipment that 4mA~20mA signal instrument and rotary switch form with PLC, passes through regulation meter knob and knob
Switch, viewing lamp carrys out debugging PLC program, though this kind of mode can exclusive segment erroneous procedures, manually enter debugging efficiency
Lowly, for the debugging of disparity items, equipment cannot be reused, and for debugging compared with large project, equipment construction step compares
It is cumbersome.Therefore, how to invent that a kind of testing efficiency is high, saves field adjustable time, energy saving, reliable and stable test macro
And become urgent problem to be solved using the method that the system is tested and debugged to PLC program.
Summary of the invention
It is provided a kind of based on WinMoD automation simulation skill the purpose of the present invention is to solve above-mentioned technical problem
The test macro of art and the method that test software is tested is treated using the system.In order to achieve the above object, the present invention mentions
For following technical solution:
Whether a kind of industrial refrigeration unit emulation test system, the PLC program for test program exploitation are suitable for controlling
The operation of refrigeration unit, including refrigeration unit analogue system and coupled refrigeration unit master control system, the refrigeration unit
Analogue system includes PLC, the WinMoD simulation unit and SIMBApro simulation unit that connect with PLC, the refrigeration unit master control
System includes PLC and man-machine interface, in which:
The WinMoD simulation unit is used to simulate the channel I/O of each equipment in refrigeration unit, the SIMBApro emulation
Unit simulates the channel I/O and terminal function, the refrigeration unit analogue system and the refrigeration by using bus DP/PA
Data exchange is carried out between unit master control system, the PLC develops PLC program to be tested using Siemens STEP7.
Industrial refrigeration unit emulation test system of the present invention further, AI interface in the WinMoD simulation unit with
The AI interface of refrigeration unit master control system connects, the DI interface and refrigeration unit master control system in the WinMoD simulation unit
The connection of DI interface.
Further, WinMoD simulation unit and SIMBApro emulation are single for industrial refrigeration unit emulation test system of the present invention
The output signal that member provides includes compressor energy position feedback signal, compressor main motor operation feedback signal, current of electric
Feedback signal, compressor air suction temperature feedback signal, compressor exhaust temperature feedback signal, oil temperature feedback signal, motor U wiring
Terminal feedback signal, motor V connecting terminal feedback signal, motor W connecting terminal feedback signal, compressor fore bearing temperature feedback
Signal, compressor rear bearing temperature feedback signal, suction pressure of compressor feedback signal, Compressor Discharge Pressure feedback signal,
One of oil pressure force feedback signal is a variety of.It is imitative using any one of the above institute industrial refrigeration unit that the present invention also provides a kind of
The test method of true test macro, includes the following steps:
Input step: hardware configuration data are imported and loads WinMoD to SIMBApro simulation unit and drives file, and will
Project file is directed into WinMoD simulation unit；
Testing procedure: by the way that I/O channel capacity is arranged in WinMoD simulation unit, respectively to the AI- with PLC connection
AI, DI-DI are tested in channel, and then carry out logic testing to PLC program；
Comparison step: the data shown on PLC and man-machine interface are compared, if identical, tested PLC journey
Sequence logic meets the requirements, if it is different, then tested PLC program logic is undesirable；
Show step: the result of the comparison step is shown as test result.
Test method of the present invention is further, strong by the variable range of the automatic operation of WinMoD in the testing procedure
It produces and disappears.
Test method of the present invention further, in the comparison step, in addition to the number that will be shown on PLC and man-machine interface
It further include making PLC, man-machine interface and WinMoD simulation unit three institute by debugging WinMoD simulation unit according to being compared
The data of display are consistent.
Test method of the present invention further, in display step, utilizes the data record trend of WinMOD simulation unit
Analyze PLC program logic reasonability；Utilize the data of Siemens STEP7 in-service monitoring PLC program；Utilize man-machine interface observed number
According to situation of change.
Industrial refrigeration unit emulation test system provided by the invention, can complete analog field device the case where, to each
Equipment carries out emulation testing, and field adjustable variations per hour mistake or point number is avoided to omit, and has saved the plenty of time for field adjustable；And
And by simulation scene I/0 can complete simulation fieldbus, real time data can be sent to PLC, allow PLC program and simulation it is soft
Part program really realizes seamless interfacing, and by PC come debugging PLC program, programmed logic mistake is found when testing PLC program, when
Between mistake, process error can be with time update, until all logics meet process logic requirement；It is carried out using present system
The test of PLC program, testing efficiency is high, not only saves the field adjustable time, but also energy saving, and it is reliable and stable to improve program
Property.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of industrial refrigeration unit emulation test system provided by the invention；
Fig. 2 is the flow chart of test method of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As shown, Fig. 1 is the structural schematic diagram of industrial refrigeration unit emulation test system provided by the invention.The present invention
Whether industrial refrigeration unit emulation test system, the PLC program for test program exploitation are suitable for controlling the fortune of refrigeration unit
Row, including refrigeration unit analogue system and coupled refrigeration unit master control system, the refrigeration unit analogue system includes
PLC, the WinMoD simulation unit being connect with PLC and SIMBApro simulation unit, the refrigeration unit master control system include PLC and
Man-machine interface, in which: the WinMoD simulation unit is used to simulate the channel I/O of each equipment in refrigeration unit, described
SIMBApro simulation unit simulates the channel I/O and terminal function, refrigeration unit emulation system by using bus DP/PA
Data exchange is carried out between system and the refrigeration unit master control system, the PLC develops to be tested using Siemens STEP7
PLC program.
A specific embodiment in industrial refrigeration unit emulation test system of the present invention, the AI interface in WinMoD simulation unit
It is connect with the AI interface of refrigeration unit master control system, the DI interface in the WinMoD simulation unit and refrigeration unit master control system
DI interface connection.Specifically, the output signal that WinMoD simulation unit and SIMBApro simulation unit provide includes but unlimited
It is formed on following compressor energy position feedback signals, compressor main motor operation feedback signal, current of electric feedback signal, compression
Machine suction temperature feedback signal, compressor exhaust temperature feedback signal, oil temperature feedback signal, motor U connecting terminal feedback signal,
After motor V connecting terminal feedback signal, motor W connecting terminal feedback signal, compressor fore bearing temperature feedback signal, compressor
Bearing temperature feedback signal, suction pressure of compressor feedback signal, Compressor Discharge Pressure feedback signal, oil pressure feedback letter
Number one of or it is a variety of.
Test method provided by the invention using any one of the above institute industrial refrigeration unit emulation test system is such as schemed
Shown in 2 test method flow charts, specific details are as follows:
Input step: mainly importing hardware configuration data to SIMBApro simulation unit load WinMoD driving text
Part, and Project file is directed into WinMoD simulation unit, specifically include the following steps:
1. engineering project PLC program to be carried out to hardware configuration in Siemens's STEP7 software and is compiled, arrived after the completion of compiling
This compiled file of r00s02 is copied in the SDBDATA of Siemens STEP7；
2. being imported r00s02 data file with SIMBApro software, after importing successfully, opens hardware view and be confirmed whether
It is consistent with hardware configuration in STEP7；
3. PC and SIMBpro is carried out hardware connection by Ethernet, connection is completed to go to confirm with PING IP address method
Hardware whether successful connection；
4. the port DP of the CPU in PLC and SIMBApro are carried out hardware connection with DP bus；
5. the connection in SIMBApro software in selection emulation, hardware view is shown in green after successful connection, then
Downloading, configuration is downloaded in SIMBApro box；
6. observing the indicator light on SIMBApro box, if whether all light, the alarm lamp observed on CPU go out entirely；
7. opening WinMoD software loads hardware driving type, Import bus configuration load is selected
Project file；
8. AO signal is planned by prescribed form, and encloses annotation with EXCEL by DI, DO, AI, it is then introduced into
In WinMoD software；
9. defining AI, the range of AO is drawn in symbolic information to corresponding channel；
10. according to control process establishment logical program corresponding with PLC.
Testing procedure: mainly by WinMoD simulation unit be arranged I/O channel capacity, to respectively with PLC connection
AI-AI, DI-DI are tested in channel, and then carry out logic testing to PLC program, specific as follows:
1. HMI is connected with the port MPI of the CPU in PLC, after communication is normal, the program that WinMoD is editted is whole
It behaves；
2. drag AI simulator manually in WinMoD platform, for example, suction pressure of compressor range be 0~7bar, when
When being dragged to 7bar in WinMoD platform, that show on HMI should also be 7bar；
3. being forced in WinMoD platform by DI signal to be 1, corresponding PLC DI letter is observed in STEP7 argument table
It number whether is 1；
4. confirming to the range of all AI simulators, if the range required with technique is consistent；
5. distinguishing which range is by the automatic operation of WinMoD logical formula, by the pressure on these AI simulators
Cancel.
Comparison step: being to be compared the data shown on PLC and man-machine interface, if identical, tested PLC
Programmed logic meets the requirements, if it is different, then tested PLC program logic is undesirable, also, in addition to by PLC and people
The data shown on machine interface are compared, further include by debug WinMoD simulation unit, make PLC, man-machine interface and
Data shown by WinMoD simulation unit three are consistent, specific as follows, by taking the test of compressor energy as an example:
1. after the completion of testing procedure, can enter and compare the debugging stage, start button is pressed on HMI, observes button
Then load button is pressed in variation, observe whether compressor energy position on HMI has load to change, control HMI, PLC program,
Whether the data shown in tri- equipment of WinMoD are consistent；
Whether 2. compressor energy position is loaded into after the completion of 100%, pressing after stop button observation energy position can be from
100%~0% carries out automatic deloading；
3. show that compressor is operating status on HMI, the warning of each sensor is debugged, is dragged in WinMoD
AI simulator to warning value, whether observation warning has display on HMI；
4. show that compressor is operating status on HMI, each sensor device is debugged, drags the AI in WinMoD
Whether simulator has display to alarming value overview alarm on HMI, and compressor behavior becomes compressor stopping, energy slide valve
Position becomes smaller；
5. show that compressor is operating status on HMI, motor feedback signal is forced to 0 in WinMoD platform, is seen
Whether compressor behavior can enter halted state.
Show step: the result of the comparison step is shown as test result.In the display step, utilize
The data record trend analysis PLC program logic reasonability of WinMOD simulation unit；Utilize Siemens STEP7 in-service monitoring PLC
The data of program；Data situation is observed using man-machine interface.
By industrial refrigeration unit emulation test system of the present invention, can complete analog field device the case where, to each equipment
Emulation testing is carried out, field adjustable variations per hour mistake or point number is avoided to omit, has saved the plenty of time for field adjustable；Also,
By simulation scene I/O can complete simulation fieldbus, real time data can be sent to PLC, allow PLC program and simulation softward journey
Sequence really realizes seamless interfacing, by PC come debugging PLC program, programmed logic mistake is found when testing PLC program, the time is wrong
Accidentally, process error can be with time update, until all logics meet process logic requirement；PLC journey is carried out using present system
The test of sequence, testing efficiency is high, not only saves the field adjustable time, but also energy saving, improves program reliability and stability.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of industrial refrigeration unit emulation test system, the fortune for whether being suitable for controlling refrigeration unit for testing PLC program
Row, it is characterised in that: including refrigeration unit analogue system and coupled refrigeration unit master control system, the refrigeration unit is imitative
True system includes PLC, the WinMoD simulation unit and SIMBApro simulation unit that connect with PLC, refrigeration unit master control system
System includes the PLC and man-machine interface, and the WinMoD simulation unit is used to simulate the channel I/O of each equipment in refrigeration unit,
The SIMBApro simulation unit simulates the channel I/O and terminal function by using bus DP/PA, and the refrigeration unit is imitative
Data exchange is carried out between true system and the refrigeration unit master control system, the PLC develops to be tested using Siemens STEP7
PLC program；AI interface in the WinMoD simulation unit is connect with the AI interface of refrigeration unit master control system, described
DI interface in WinMoD simulation unit is connect with the DI interface of refrigeration unit master control system；WinMoD simulation unit and
The output signal that SIMBApro simulation unit provides includes compressor energy position feedback signal, compressor main motor operation feedback
Signal, current of electric feedback signal, compressor air suction temperature feedback signal, compressor exhaust temperature feedback signal, oil temperature feedback
Signal, motor U connecting terminal feedback signal, motor V connecting terminal feedback signal, motor W connecting terminal feedback signal, compressor
Fore bearing temperature feedback signal, compressor rear bearing temperature feedback signal, suction pressure of compressor feedback signal, compressor air-discharging
One of pressure feedback signal, oil pressure force feedback signal are a variety of.
2. a kind of test method using industrial refrigeration unit emulation test system described in claim 1, includes the following steps: defeated
Enter step: importing hardware configuration data to SIMBApro simulation unit, load WinMoD driving file, and by Project file
It is directed into WinMoD simulation unit；Testing procedure: by WinMoD simulation unit be arranged I/O channel capacity, respectively to
The channel AI-AI, DI-DI of PLC connection is tested, and then carries out logic testing to PLC program；Comparison step: by PLC and people
The data shown on machine interface are compared, if identical, tested PLC program logic meets the requirements, if it is different, then
Tested PLC program logic is undesirable；Show step: the result of the comparison step is shown as test result
Show.
3. test method according to claim 2, it is characterised in that: in the testing procedure, WinMoD is transported automatically
The variable range of calculation is forced to cancel.
4. test method according to claim 2, it is characterised in that: in the comparison step, in addition to by PLC and man-machine
The data shown on interface are compared, and further include making PLC, man-machine interface and WinMoD by debugging WinMoD simulation unit
Data shown by simulation unit three are consistent.
5. test method according to claim 2, it is characterised in that: in display step, utilize WinMOD simulation unit
Data record trend analysis PLC program logic reasonability, utilize the data of Siemens STEP7 in-service monitoring PLC program, utilize
Man-machine interface observes data situation.
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| CN108415268A (en) * | 2018-03-03 | 2018-08-17 | 上海晓奥汽车销售有限公司 | One kind specifying signal simulation adjustment method in Virtual Debugging system |
| CN108803579A (en) * | 2018-08-13 | 2018-11-13 | 珠海格力电器股份有限公司 | Simulation test device and method, cold source group control system and air conditioning equipment |
| CN108803583B (en) * | 2018-08-20 | 2023-08-25 | 珠海格力电器股份有限公司 | Test equipment of group control system control cabinet |
| CN117178236A (en) * | 2022-04-02 | 2023-12-05 | 宁德时代新能源科技股份有限公司 | PLC test system and method |
| CN115327947A (en) * | 2022-08-11 | 2022-11-11 | 福建星云电子股份有限公司 | Hardware-free HMI (human machine interface) simulation control method and system |
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| CN203909499U (en) * | 2014-01-07 | 2014-10-29 | 基伊埃冷冻技术（苏州）有限公司 | Simulation test system for industrial refrigerating unit |
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| CN1281934C (en) * | 2004-06-01 | 2006-10-25 | 浙江大学 | Air-conditioner compressor performance testboard and testing method for vehicle based on PLC |
| CN102156431B (en) * | 2011-01-07 | 2013-05-08 | 国电南京自动化股份有限公司 | Wind turbine running simulation system based on PLC (programmable logic controller) system |
| CN102323761B (en) * | 2011-07-18 | 2013-03-27 | 铁道部运输局 | Semi-physical simulation testing platform of train control network |
| JP5962088B2 (en) * | 2012-03-15 | 2016-08-03 | オムロン株式会社 | PLC simulation system, PLC simulator, control program, and recording medium |
| CN102622829B (en) * | 2012-03-28 | 2014-03-05 | 中国民航大学 | Service integration settlement system for ground power supply and air conditioner set of civil airport |
| CN103472822B (en) * | 2013-09-24 | 2015-08-19 | 北京星达科技发展有限公司 | A kind of simulation testing device of central air conditioner automatic control system and method for testing |
| CN103471798B (en) * | 2013-09-26 | 2015-08-19 | 北京空间飞行器总体设计部 | A kind of refrigeration machine micro-vibration physical simulation test processes system |
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