Status and Plans of Virtual Instruments R. Bacher, M. Seebach DESY / MCS GANMVL Collaboration Meeting DESY Zeuthen February 2007 19. 3. 2007 R. Bacher / M. Seebach DESY
T&M Instrument Integration Local display Thin Client (Web display, VNC display) Local display Vendor-independent virtual instrument IVI class driver (vendor and device independent) 19. 3. 2007 Traditional instrument driver (vendor and device specific) R. Bacher / M. Seebach DESY Thin Client (Web display, VNC display) Vendor-specific T&M system (vendor-specific virtual instrument software, vendorand device-specific driver) 2
IVI-Supported Instrument Classes • • DC power supply Digital multi-meter Function & Arbitrary generator Oscilloscope Power meter RF signal generator Spectrum analyzer Switch 19. 3. 2007 R. Bacher / M. Seebach DESY 3
IVI Architecture e. g. NI Measurement and Automation Explorer e. g. iviscope. dll COM specific IVIConfiguration. Store. xml e. g. tkds 5000_32. dll Specific Instrument Drivers 19. 3. 2007 e. g. VISA run time library R. Bacher / M. Seebach DESY 4
What’s New? • Improved generic scope viapplication: – be-alive indicator – same vi code can be used with IVI-C and IVI-COM compliant instrument drivers 19. 3. 2007 R. Bacher / M. Seebach DESY 5
Remark 1: VI Context Menu • Generated by Lab. View® 19. 3. 2007 R. Bacher / M. Seebach DESY 6
Remark 2: Installer Package and Help Instructions • DESY Web Server: – http: //adweb. desy. de/mst/GAN_MVL/GANMVL_VI_Server. html • GANMVL Portal (Download Area) – https: //gan. grid. elettra. trieste. it/gridsphere/ – https: //mvpmeet 1. desy. de/gridsphere/ 19. 3. 2007 R. Bacher / M. Seebach DESY 7
What’s not yet done • Generic spectrum analyzer vi application • Automated detection of connected / available instruments – hardware address: VISA ID – IVI type: scope, digital multimeter, … – IVI flavour: IVI-C or IVI-COM 19. 3. 2007 R. Bacher / M. Seebach DESY 8
Future Plans • Upgrade and debug the existing generic digital multimeter vi application and check with NI PXI 4060 digital multimeter card and stand-alone Keithley 2701 digital multimeter • Provide generic switch (multiplexer) vi application and check with NI PXI-2593 multiplexer card • Check generic scope vi application with NI PXI 5114 digitizer card 19. 3. 2007 R. Bacher / M. Seebach DESY 9
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