CN106527406B - A kind of safety level DCS product automation test device - Google Patents
A kind of safety level DCS product automation test device Download PDFInfo
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- CN106527406B CN106527406B CN201611187256.3A CN201611187256A CN106527406B CN 106527406 B CN106527406 B CN 106527406B CN 201611187256 A CN201611187256 A CN 201611187256A CN 106527406 B CN106527406 B CN 106527406B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The present invention provides a kind of test device of automation for safety level DCS product function and performance.Described device can carry out automatic test: Analog input mModule AI, analog output module AO, digital quantity input module DI, digital output module DO, point-to- point communication module, controller module and management module to following several safety level DCS products；Described device mainly includes PXI cabinet, bench device and tooling backboard；The software that the present invention develops is run in the PXI controller, the software uses modular architecture, including human-computer interaction and data display interface, intermediate function layer assembly, data information memory and reading, hardware device drivers interface and equipment performance log and safety management.The present invention solves the problems, such as that operation and maintenance expenses are higher and poor expandability.
Description
Technical field
The invention belongs to instrument and meter analysis and survey control technology fields, and in particular to a kind of safety level DCS product from
Dynamicization test device.
Background technique
Automatization test system has developed for many years, although nowadays grinding for automatization test system is all being carried out in many fields
Study carefully work, and much also have been achieved for good effect, but still there is some shortcomings for automatization test system:
(1) maintenance cost is higher, is unfavorable for extending lifetime of system, reduces use cost.Since system hardware equipment updates
It regenerates very fast, with the growth of test macro application time, many components face compatible and maintenance difficult, further increase and are
The maintenance cost of system.
(2) specificity of system, does not extend and adaptive ability.It could also say that there are currently no logical in complete meaning
Test macro, many test macros grow up both for concrete application.Also, it is mutually indepedent between system,
Lack open, intercommunity.
(3) testing efficiency and the specific aim of Trouble Report be not high.Major part automatically testing platform is all according to existing at present
Mishap Database be foundation, according to fault condition to providing deduction conclusion the problem of being likely to occur.This just will appear positioning accurate
Spend not high, the new insurmountable situation of failure new case.And unilateral dependence test platform is also unable to fully utilize maintenance people
The experience of member causes the waste of human and material resources, does not simply fail to the test needs for adapting to complex fault, and testing efficiency is low.
Summary of the invention
To solve the problems of automatization test system in the prior art, the present invention is for safety level DCS product
Function and performance provide a kind of test device of automation.
Technical scheme is as follows:
A kind of safety level DCS product automation test device, described device can to following several safety level DCS products into
Row automatic test: Analog input mModule AI, analog output module AO, digital quantity input module DI, digital output mould
Block DO, point-to- point communication module, controller module and management module；
Described device includes PXI cabinet, bench device and tooling backboard；
The PXI cabinet includes PXI controller, multiplexer, multimeter card, Digital I/O, bus communication monitoring mould
Block, above-mentioned each equipment are interconnected by PXI bus, and the PXI controller is connected to LAN cable/USB line/RS232 serial ports
Line；
The bench device includes that DC power supply, high-accuracy voltage current source, oscillograph and program-controlled resistor load, above-mentioned
Each bench device is connected to LAN cable/USB line/RS232 Serial Port Line；
The tooling backboard include bus communication monitoring interface, analog input interface AI, analog output interface circuit AO,
Digital-quantity input interface DI, digital-quantity output interface DO, point-to-point communication module interface, control unit interface A, control unit interface B
With management module interface；The bus communication monitoring interface is connect with the bus communication monitoring module in PXI cabinet；Described
Analog input interface AI is connect with the multiplexer in PXI cabinet, and multiplexer is connected to high-accuracy voltage current source；
The analog output interface circuit AO is connect with the multiplexer in PXI cabinet, and multiplexer is connected to multimeter card, together
When analog output interface circuit AO also load and connect with program-controlled resistor；The digital-quantity input interface DI and digital-quantity output interface
DO is connect with Digital I/O in PXI cabinet；The point-to-point communication module interface monitors mould with bus communication in PXI cabinet
Block connection；Pass through the internal bus of tooling backboard between the control unit interface A and control unit interface B and above-mentioned each interface
It is connected；The management module interface is connect by LAN cable with each bench device.
The bus communication monitoring interface passes through bus for connecting with the bus communication monitoring module in PXI cabinet
Communication monitoring module monitors the bus communication content of tested safety level DCS product, and is able to carry out the bus of safety level DCS product
Volume test, failure insertion test and the response time test of controller module of communication.
Tested Analog input mModule AI can be connected to height by multiplexer by the analog input interface AI
On accuracy voltage current source, switched by the channel that PXI controller controls multiplexer, by the defeated of high-accuracy voltage current source
It is respectively connected on all channels of tested Analog input mModule AI out, tested Analog input mModule AI is motivated,
With the performance indicator of the channel acquisition precision of this test simulation amount input module AI.
Tested analog output module AO can be connected to ten thousand by multiplexer by the analog output interface circuit AO
With table card, switched by the channel that PXI controller controls multiplexer, by all logical of tested analog output module AO
Road output is respectively connected to multimeter card, measures to the output signal of tested analog output module AO, tests mould with this
The performance indicator of the channel output accuracy of analog quantity output module AO；
Tested analog output module AO can be also connected to by the analog output interface circuit AO by multiplexer
Oscillograph is switched by the channel that PXI controller controls multiplexer, by all defeated of tested analog output module AO
Channel is respectively connected on oscillograph out, is measured to the quality of output signals of tested analog output module AO.
The digital-quantity input interface DI is connect with Digital I/O in PXI cabinet, and Digital I/O exports digital quantity in PXI cabinet
Signal can motivate all channels of tested digital quantity input module DI, test digital quantity input module DI's with this
Channel acquires function.
The digital-quantity output interface DO is connect with Digital I/O in PXI cabinet, and Digital I/O acquisition is tested in PXI cabinet
The channel output function of digital output module DO is tested in the output in all channels of digital output module DO.
The point-to-point communication module interface is connect with bus communication monitoring module in PXI cabinet, with tested point pair
Point communication module is communicated, and the communication function and performance indicator of point-to-point communication module is tested with this, and can carry out communication appearance
Amount and failure insertion test.
The management module is plugged on management module interface, subtest is used for, to obtain Analog input mModule
The state parameter of AI, digital quantity input module DI.
The program-controlled resistor load is connected on analog output interface circuit AO, for carrying out analog output module AO's
Load capacity test；The DC power supply is connected with tooling backboard and is powered to tooling backboard, and can be controlled by PXI
Device controls the output of DC power supply, not only can be to the test of the efficient working range of tested module power supply, can also be to simulation heat
Plug function is tested.
The software that the present invention develops is run in the PXI controller, the software uses modular architecture, packet
Include human-computer interaction and data display interface, intermediate function layer assembly and is read data information memory, hardware device drivers interface with
And equipment performance log and safety management；
Wherein, human-computer interaction and data display interface include device configuration and control interface and equipment condition monitoring interface,
The device configuration and control interface be based on LabVIEW exploitation environment write, complete multiplexer, multimeter card,
Digital I/O, bus communication monitoring module, DC power supply, high-accuracy voltage current source, oscillograph and the operation of program-controlled resistor load
Softpanel, to realize that user interface close friend is easy-to-use to the program-controlled of above equipment；
The equipment state monitoring interface is used to monitor in real time the state parameter of tested safety level DCS product, wherein mould
Analog quantity output module AO, digital output module DO, point-to- point communication module, controller module and management module state parameter
It is to be obtained by multimeter card, Digital I/O, bus communication monitoring module and oscillograph, and Analog input mModule AI, number
The state parameter for measuring input module DI is obtained by maintenance network；
The intermediate function component includes testing process management module and data management module two parts, wherein test stream
Thread management module is that the setting of cycle tests editor, user policy, device command sets etc. are realized based on NITestStand,
The module is the most important part of this automatic test device, and concrete function includes: to provide the cycle tests mould of default for user
Plate, configuration information containing test equipment can create the cycle tests of oneself on this basis；Settable a variety of typical test sequences
Column, pre-set each test equipment configuration parameter information, are saved as system file and are introduced directly into execution；User is facilitated to exist
Repeatedly quickly and conveniently switch test sequence in test avoids user that setting configuration parameter is repeated several times；Pass through cycle tests tune
It is worked with each module cooperative and realizes automatic test；
The data management module can realize the function of user data management and device data management respectively；
Wherein, user data management mainly includes the preference setting of user, and device data management mainly includes record multichannel
Multiplexer, multimeter card, Digital I/O, bus communication monitoring module and bench device configuration information, communication port type, communication
Port numbers；
The data information memory with read module is write based on LabVIEW exploitation environment, realizes intermediate function group
Storage and calling of the part to data in hardware driving interface；
The hardware device drivers interface is based on VISA function library and Labview is designed, and realizes that data information is deposited
Storage and read module are to the seamless tune of multiplexer, multimeter card, Digital I/O, bus communication monitoring module and bench device
With；
The equipment performance log and safety management module includes two functions, and wherein equipment performance log is for recording
On the calibration date of the equipment, use time, failure problems etc.；Safety management is used for the operating right management of this software, this software
Being divided into second level rights management includes administrator right and operator's permission.
Remarkable result of the invention is:
(1) by using the widely used PXI/PXIe bus architecture of industrial control field and hardware platform, in view of the platform hard
Part is many kinds of, and general-purpose capability and extended capability are stronger, and moderate, to solve, operation and maintenance expenses are higher and scalability is looked into
The problem of.
(2) human and material resources needed for automatic test has largely liberated test, will original purely manual test conversion
For automatic test, a possibility that not only having reduced artificial maloperation but also the efficiency for improving test, and survey can be automatically generated
Examination report carries out data statistics, and strong data supporting is provided for research and development department.
(3) lower coupling of software and hardware keeps entire automatization test system convenient for safeguarding and expands and develops, it is easier to
Split into individual feature module carry out using.
(4) supervision test software greatly reduced the workload of test development personnel, and test development personnel is enable to collect
Middle energy carries out the exploitation of test item, and standardized test item code can be more easily multiplexed, while reduce exploitation
Threshold enables tester to test code according to self-demand stand-alone development.
Detailed description of the invention
Fig. 1 is a kind of hardware the general frame of safety level DCS product automation test device of the present invention；
Fig. 2 is a kind of whole software structure figure of safety level DCS product automation test device of the present invention.
Specific embodiment
A kind of safety level DCS product automation test device of the present invention can produce following several safety level DCS
Product carry out automatic test: Analog input mModule AI, analog output module AO, digital quantity input module DI, digital quantity are defeated
Module DO, point-to- point communication module, controller module and management module out.
Technical solution provided by the invention is further illustrated with reference to the accompanying drawing:
As shown in Figure 1, hardware of the invention includes PXI cabinet, bench device and tooling backboard.
The PXI cabinet includes PXI controller, multiplexer, multimeter card, Digital I/O, bus communication monitoring mould
Block, above-mentioned each equipment are interconnected by PXI bus, and the PXI controller is connected to LAN cable/USB line/RS232 serial ports
Line；
The bench device includes that DC power supply, high-accuracy voltage current source, oscillograph and program-controlled resistor load, above-mentioned
Each bench device is connected to LAN cable/USB line/RS232 Serial Port Line；
The tooling backboard include bus communication monitoring interface, analog input interface AI, analog output interface circuit AO,
Digital-quantity input interface DI, digital-quantity output interface DO, point-to-point communication module interface, control unit interface A, control unit interface B
With management module interface；The bus communication monitoring interface is connect with the bus communication monitoring module in PXI cabinet；Described
Analog input interface AI is connect with the multiplexer in PXI cabinet, and multiplexer is connected to high-accuracy voltage current source；
The analog output interface circuit AO is connect with the multiplexer in PXI cabinet, and multiplexer is connected to multimeter card, together
When analog output interface circuit AO also load and connect with program-controlled resistor；The digital-quantity input interface DI and digital-quantity output interface
DO is connect with Digital I/O in PXI cabinet；Bus communication monitoring module in the point-to-point communication module interface and PXI cabinet
Connection；Pass through the internal bus phase of tooling backboard between the control unit interface A and control unit interface B and above-mentioned each interface
Even；The management module interface is connect by LAN cable with each bench device.
Bus communication monitoring interface is connect with the bus communication monitoring module in PXI cabinet, monitors mould by bus communication
Block monitors the bus communication content of tested safety level DCS product, and is able to carry out the capacity of the bus communication of safety level DCS product
The response time test of test, failure insertion test and controller module；
Tested Analog input mModule AI can be connected to high precision electro by multiplexer by analog input interface AI
On current voltage source, is switched by the channel that PXI controller controls multiplexer, the output of high-accuracy voltage current source is distinguished
It is linked on all channels of tested Analog input mModule AI, tested Analog input mModule AI is motivated, is surveyed with this
Try the performance indicator of the channel acquisition precision of Analog input mModule AI；It is real using multiplexer and high-accuracy voltage current source
The acquisition precision test of the Analog input mModule AI of existing multichannel, 0~20mA electric current and 0~10V voltage range precision are reachable
The 0.01% of gamut；
Tested analog output module AO can be connected to multimeter card by multiplexer by analog output interface circuit AO,
The channel switching that multiplexer is controlled by PXI controller, all channels of tested analog output module AO are exported
It is respectively connected to multimeter card, the output signal of tested analog output module AO is measured, it is defeated with this test simulation amount
The performance indicator of the channel output accuracy of module AO out；The analog quantity to multichannel is realized using multiplexer and multimeter card
The output accuracy of output module AO is tested, and 0~20mA electric current and 0~10V voltage range measuring accuracy are up to gamut 0.01%；
Tested analog output module AO can be also connected to by the analog output interface circuit AO by multiplexer
Oscillograph is switched by the channel that PXI controller controls multiplexer, by all logical of tested analog output module AO
Road output is respectively connected on oscillograph, is measured to the quality of output signals of tested analog output module AO；
Digital-quantity input interface DI is connect with Digital I/O in PXI cabinet, and Digital I/O output digital quantity signal can in PXI cabinet
It is motivated with all channels to tested digital quantity input module DI, is adopted with the channel that this tests digital quantity input module DI
Collect function；
Digital-quantity output interface DO is connect with Digital I/O in PXI cabinet, the tested digital quantity of Digital I/O acquisition in PXI cabinet
The channel output function of digital output module DO is tested in the output in all channels of output module DO；
Point-to-point communication module interface is connect with bus communication monitoring module in PXI cabinet, with tested point-to- point communication
Module is communicated, and the communication function and performance indicator of point-to-point communication module are tested with this, and can carry out traffic capacity and event
Barrier insertion test；
Management module is connected by LAN with each bench device, as progress Analog input mModule AI, digital quantity input
When module DI is tested, the management module passed through using complete function and test is for subtest, to obtain analog input mould
The state parameter of block AI, digital quantity input module DI.
It is connected between each module of tooling backboard by the internal bus of tooling backboard.
Program-controlled resistor load is connected on analog output interface circuit AO, and the band for carrying out analog output module AO carries energy
Power test；DC power supply is connected with tooling backboard and is powered to tooling backboard, and can control direct current by PXI controller
The output in source not only can also carry out the test of the efficient working range of tested module power supply to simulation warm connection function
Test.
As shown in Fig. 2, software of the invention is run on PXI controller, using modular architecture, including man-machine friendship
Mutually and data display interface, intermediate function layer assembly, data information memory and reads, hardware device drivers interface and equipment work
Make log and safety management；
Wherein, human-computer interaction and data display interface include device configuration and control interface and equipment condition monitoring interface,
The device configuration and control interface be based on LabVIEW exploitation environment write, complete multiplexer, multimeter card,
Digital I/O, bus communication monitoring module, DC power supply, high-accuracy voltage current source, oscillograph and the operation of program-controlled resistor load
Softpanel, to realize that user interface close friend is easy-to-use to the program-controlled of above equipment；
The equipment state monitoring interface is used to monitor in real time the state parameter of tested safety level DCS product, wherein mould
Analog quantity output module AO, digital output module DO, point-to- point communication module, controller module and management module state parameter
It is to be obtained by multimeter card, Digital I/O, bus communication monitoring module and oscillograph, and Analog input mModule AI, number
The state parameter for measuring input module DI is obtained by maintenance network；
The intermediate function component includes testing process management module and data management module two parts, wherein test stream
Thread management module is that the setting of cycle tests editor, user policy, device command sets etc. are realized based on NI TestStand,
The module is the most important part of this automatic test device, and concrete function includes:
The cycle tests template of default is provided for user, configuration information containing test equipment can create oneself on this basis
Cycle tests；
Settable a variety of typical cycle tests, pre-set each test equipment configuration parameter information, are saved as
System file is introduced directly into execution；
Facilitating user, quickly and conveniently setting configuration is repeated several times in switch test sequence, saving user between multiple test
Parameter；Each module cooperative work is called to realize automatic test by cycle tests；
The data management module can realize the function of user data management and device data management respectively；
Wherein user data management mainly includes the preference setting of user；
Device data management mainly include record multiplexer, multimeter card, Digital I/O, bus communication monitoring module and
The configuration information of bench device, communication port type, communication port numbers；
The data information memory with reading is write based on LabVIEW exploitation environment, realizes intermediate function component pair
The storage and calling of data in hardware driving interface；
The hardware device drivers interface is based on VISA function library and Labview is designed, and realizes that data information is deposited
Storage and read module are to the seamless tune of multiplexer, multimeter card, Digital I/O, bus communication monitoring module and bench device
With；
The equipment performance log and safety management module includes two functions, and wherein equipment performance log is for recording
On the calibration date of the equipment, use time, failure problems etc.；Safety management is used for the operating right management of this software, this software
Being divided into second level rights management includes administrator right and operator's permission.
Claims (10)
1. a kind of safety level DCS product automation test device, it is characterised in that:
Described device can carry out automatic test: Analog input mModule AI, analog quantity to following several safety level DCS products
Output module AO, digital quantity input module DI, digital output module DO, point-to- point communication module, controller module and management
Module；
Described device includes PXI cabinet, bench device and tooling backboard；
The PXI cabinet includes PXI controller, multiplexer, multimeter card, Digital I/O, bus communication monitoring module, on
It states each equipment to interconnect by PXI bus, the PXI controller is connected to LAN cable/USB line/RS232 Serial Port Line；
The bench device includes that DC power supply, high-accuracy voltage current source, oscillograph and program-controlled resistor load, and above-mentioned each
Formula equipment is connected to LAN cable/USB line/RS232 Serial Port Line；
The tooling backboard includes bus communication monitoring interface, analog input interface AI, analog output interface circuit AO, number
Measure input interface DI, digital-quantity output interface DO, point-to-point communication module interface, control unit interface A, control unit interface B and pipe
Manage module interface；The bus communication monitoring interface is connect with the bus communication monitoring module in PXI cabinet；The simulation
Amount input interface AI is connect with the multiplexer in PXI cabinet, and multiplexer is connected to high-accuracy voltage current source；It is described
Analog output interface circuit AO connect with the multiplexer in PXI cabinet, multiplexer is connected to multimeter card, while mould
Analog quantity output interface AO is also loaded with program-controlled resistor and is connected；The digital-quantity input interface DI and digital-quantity output interface DO is equal
It is connect with Digital I/O in PXI cabinet；Bus communication monitoring module connects in the point-to-point communication module interface and PXI cabinet
It connects；Pass through the internal bus phase of tooling backboard between the control unit interface A and control unit interface B and above-mentioned each interface
Even；The management module interface is connect by LAN cable with each bench device.
2. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the bus
Communication monitoring interface monitors quilt for connecting with the bus communication monitoring module in PXI cabinet, by bus communication monitoring module
The bus communication content of safety level DCS product is surveyed, and is able to carry out the volume test of the bus communication of safety level DCS product, event
Barrier insertion test and the response time test of controller module.
3. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the simulation
Tested Analog input mModule AI can be connected on high-accuracy voltage current source by amount input interface AI by multiplexer, be led to
The channel switching for crossing PXI controller control multiplexer, is respectively connected to tested mould for the output of high-accuracy voltage current source
On all channels of analog quantity input module AI, tested Analog input mModule AI is motivated, with the input of this test simulation amount
The performance indicator of the channel acquisition precision of modules A I.
4. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the simulation
Tested analog output module AO can be connected to multimeter card by multiplexer by amount output interface AO, be controlled by PXI
Device controls the channel switching of multiplexer, and all channels output of tested analog output module AO is respectively connected to ten thousand
With table card, the output signal of tested analog output module AO is measured, with the logical of this test simulation amount output module AO
The performance indicator of road output accuracy；
Tested analog output module AO can be also connected to oscillography by multiplexer by the analog output interface circuit AO
Device is switched by the channel that PXI controller controls multiplexer, all outputs of tested analog output module AO is led to
Road is respectively connected on oscillograph, is measured to the quality of output signals of tested analog output module AO.
5. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the number
Amount input interface DI is connect with Digital I/O in PXI cabinet, and Digital I/O output digital quantity signal can be to tested number in PXI cabinet
All channels of word amount input module DI are motivated, and the channel acquisition function of digital quantity input module DI is tested with this.
6. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the number
Amount output interface DO is connect with Digital I/O in PXI cabinet, the tested digital output module DO of Digital I/O acquisition in PXI cabinet
The channel output function of digital output module DO is tested in the output in all channels.
7. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the point pair
Point communication module interface is connect with bus communication monitoring module in PXI cabinet, is communicated with tested point-to- point communication module,
The communication function and performance indicator of point-to-point communication module are tested with this, and can carry out traffic capacity and failure insertion test.
8. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the management
Module is plugged on management module interface, subtest is used for, to obtain Analog input mModule AI, digital quantity input module DI
State parameter.
9. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: described is program-controlled
Ohmic load is connected on analog output interface circuit AO, and the load capacity for carrying out analog output module AO is tested；It is described
DC power supply be connected with tooling backboard and tooling backboard be powered, and PXI controller can be passed through and control DC power supply
Output, can not only test the efficient working range of tested module power supply, can also survey to simulation warm connection function
Examination.
10. a kind of safety level DCS product automation test device as described in claim 1, it is characterised in that: the PXI
The software run in controller uses modular architecture, including human-computer interaction and data display interface, intermediate function component,
Data information memory and reading, hardware device drivers interface and equipment performance log and safety management module；
Wherein, human-computer interaction and data display interface include device configuration and control interface and equipment state monitoring interface, described
Device configuration and control interface be based on LabVIEW exploitation environment write, complete multiplexer, multimeter card, number
IO, bus communication monitoring module, DC power supply, high-accuracy voltage current source, oscillograph and the soft face of operation of program-controlled resistor load
Plate, to realize that user interface close friend is easy-to-use to the program-controlled of above equipment；
The equipment state monitoring interface is used to monitor in real time the state parameter of tested safety level DCS product, wherein analog quantity
Output module AO, digital output module DO, point-to- point communication module, controller module and management module state parameter be logical
Multimeter card, Digital I/O, bus communication monitoring module and oscillograph are crossed to obtain, and Analog input mModule AI, digital quantity are defeated
The state parameter for entering module DI is obtained by maintenance network；
The intermediate function component includes testing process management module and data management module two parts, wherein testing process pipe
Reason module is that the setting of cycle tests editor, user policy and device command sets are realized based on NITestStand, which is this
The most important part of automatic test device, concrete function include: to provide the cycle tests template of default for user, are set containing test
Standby configuration information, can create the cycle tests of oneself on this basis；Settable a variety of typical cycle tests, pre-set
Each test equipment configuration parameter information is saved as system file and is introduced directly into execution；Facilitate user fast in multiple test
Speed, easily switch test sequence avoid user that setting configuration parameter is repeated several times；Each module cooperative is called by cycle tests
Automatic test is realized in work；
The data management module can realize the function of user data management and device data management respectively；
Wherein, user data management mainly includes the preference setting of user, and device data management mainly includes record multiplexing
Device, multimeter card, Digital I/O, bus communication monitoring module and bench device configuration information, communication port type, communication port
Number；
The data information memory with read module is write based on LabVIEW exploitation environment, realizes intermediate function component pair
The storage and calling of data in hardware driving interface；
The hardware device drivers interface is based on VISA function library and Labview and is designed, realize data information memory with
Seamless calling of the read module to multiplexer, multimeter card, Digital I/O, bus communication monitoring module and bench device；
The equipment performance log and safety management module includes two functions, and wherein equipment performance log is set for recording this
On the standby calibration date, use time and failure problems；Safety management is used for the operating right management of this software, this software is divided into two
Grade rights management includes administrator right and operator's permission.
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| CN108733556A (en) * | 2017-10-26 | 2018-11-02 | 江苏核电有限公司 | A kind of automation of analog machine I/O system meters is to point methods |
| CN108181890A (en) * | 2017-12-12 | 2018-06-19 | 中核控制***工程有限公司 | DCS automatic test devices based on virtual instrument |
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