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- Article: Definitions (2)
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- Article: Software (1)
Development of a measurement software for non destructive EDDY measures detecting surface defects used inside nuclear power plant. This system is integrated in the MIS, a robot dedicated to the reactor vessels inspection.
Technics:
Tools: LabWindows/CVI Instruments : Ethernet with TCP and UDP communications, EDDY measurement device of IntelligeNTIVI (Interchangeable Virtual Instrumentation) is a specification of instrument driver published by the IVI Foundation, formed by the biggest names in the instrumentation as Agilent, National Instruments, Rohde & Schwarz, Aeroflex, Tektronix, Teradyne, Pickering and other.
This specification defined instument classes (multimeter, oscilloscope, power supply, ...). All drivers in the same class have the same exported functions. This ensures instruments compatibility and interchangeability: measurement software is linked to the driver class that needle to the specific driver of the used instrument.
Example: I have a test application which measures voltage with a multimeter. My software calls the driver of the multimeter class. IVI refers to the specific driver for the X model from Agilent. Thus, we can change this multimeter by the Y model from Agilent or the Z model from Tektronix with a simple configuration without modifying the software (for since we have installed the IVI driver of these three instruments).
List of instrument classes defined by IVI:
Digital multimeter (DMM) Oscilloscope Arbitrary waveform/function generator DC power supply AC power supply Switch Power meter Spectrum analyzer RF signal generator Upconverter Downconverter Digitizer Counter/timer Some specific instruments do not fall into this classification. In this case it is possible to create a new class.LabWindows/CVI provides wizards for developing drivers and adding a new class.
IVI driver scan be called by any type of programming language. However TestStand, LabVIEW, and Measurement Studio can offer all the key functions in hand for their use.
Communication card validation dedicated to implement industrial network protocols. In this case the cards are added to PLCs to control the speed of electric motors.
DLL development of communication protocols: Metasys, BacNet, CClink, Ethernet IP, Modbus TCP, Apogee Test sequence developement Integraton in the existing test benchTechnics:
Tools: LabWindows/CVI, TestStand, Visual Studio C++ Hardware: test bench with DIO, DAQ and network cards, dedicated product interfaceTestExec is a test sequencer software, available in G language for LabVIEW or in C for LabWindows/CVI.
He was replaced by TestStand of National Instruments, offering more flexibility and is compatible with the latest technologies.
Technical implementation:
Tools: C language, LabWindows/CVI, Windows. Instrumentation : GPIB, multimeter DMM, PCI switches, acquisition card with integrated frequency analyzer, DC power supply.Technical implementation:
Tools: C language, LabWindows/CVI, Windows, Access, Visual Basic, ODBC. Instrumentation: GPIB, RS-232, switches, multimeter DMM, DC power supply, temperature generator, pressure generator, barometer.Technical implementation:
Tools: C language, LabWindows/CVI, Windows, Excel to ceate reports, TestStand. Instrumentation: GPIB, RS-232, digital multimeters DMM, DAQ, DIO.Technical implementation:
Tools: C ANSI, LabWindows/CVI, Windows, Access, Visual Basic, ODBC.Avionic calculators’ production support department (Airbus, Boeing, Bombardier, Dassault, Embraer, Saab…)
Test libraries development for TestExe, a test sequencer. Tools libraries development. Development of a test sequencer under TestStand interfaced with a data base. Development of software of test and management of production of downloadable diskettes on calculator. Development of downloadable software of basic creation of data hard calculator. Calculators test software maintenance. Design of software architectures for the semi-automatization of test bench.Technical implementation:
Tools: C , LabWindows/CVI, Visual C ++, TestStand, TestExe, Access, Excel, ODBC Instrumentation: ATHENA 7000 bench : VXI chassis (switches, multimeter DMM, acquisition DAQ, signals generator, ARINC, RS-422)Technical implementation:
Tools: C, LabWindows/CVI Instrumentation: VXI chassis (switches, multimeter DMM, acquisition DAQ card, signals generator), CAN bus and SIS (I2C bus)Technical implementation:
Tools: C, TestStand, Labwindows/CVI, Excel. Instrumentation: GPIB, audio generator AM/FM, audio analyser, matrix, multimeter, oscilloscope, I2C busTechnical implementation:
Tools: Labwindows/CVI Instrumentation: portable PXI/Compact PCI chassis with high voltage acquisition cardImplemented technique:
Tools: C language, TestStand, Labwindows/CVI, Instrumentation: PXI chassis, switches, multimeter DMM, DIO card, MXi3, GPIB, PCI cards (VAN bus and I2C bus), GPIB (audio generator AM/FM Panasonic, audio analyzer ROHDE & SCHWARZ, DC power supply)Technical implementation:
Tools: LabVIEW Hardware: Sefelec MegaOhmMeter, switch cards in compact PCI chassis linked to the laptop by a GPIB-USB gateway. Training: Instructor for National Instruments products: LabVIEW, LabWindows/CVI, TestStand, Measurement Studio .NET (with Visual Studio C++, C# and Visual Basic)LabWindows is a development environment in C language for the implementation of test systems, measurement and instrumentation. Thus, it is possible to enjoy both the power and precision of the C language but also libraries of functions for instrumentation and signal processing from National Instruments.
With LabWindows / CVI, you can develop:
software for Windows (exe) or UNIX Linux, libraries (DLL, Active X,. NET), instrument drivers, on embedded targets, on real-time target. Système de calibrage de sondes de puits de pétrole- CAN
- acquisition board
- qbasic
- OPC
- switches
- industrial computer
- camera
- communication bus
- visual studio
- GPIB
- windows mobile
- PAC
- windev
- labview
- Pocket PC
- UHF
- SCPI
- PCI
- VXI
- formation
- real time
- bluetooth
- programmable logic controller
- measurement studio
- UPL
- PLC
- testexec
- dot NET
- excel
- teststand
- linux
- labwindows cvi
- citrix
- serial RS
- vision
- test bench
- IVI driver
- fortran
- WIFI
- protocol AK
- C sharp
- C language
- DSC
- oscilloscope
- audio analyzer
- modbus
- unix
- VAN
- I2C
- fieldpoint
- profibus
- real time embedded
- ARINC
- visual basic
- MXI
- pascal
- database
- waveform generator
- multimeter
- windows
- DIO
- Cplusplus
- PXI
- embedded