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Summary of Contents for NI PXI-5922

Page 1: ...libration 2 External Calibration 2 Calibration Intervals 2 Software and Documentation 2 Documentation 4 Self Calibration Procedures 4 MAX 5 Scope SFP 5 NI SCOPE 5 External Calibration Options 6 Comple...

Page 2: ...nsate for environmental changes Caution Although you can use self calibration repeatedly self calibrating the NI 5922 more than a few times a day may cause excessive wear on the relays over time The m...

Page 3: ...cription IVI Bin niscope_32 dll NI SCOPE driver containing the entire NI SCOPE API including calibration functions IVI Lib msc niscope lib NI SCOPE library for Microsoft C containing the entire NI SCO...

Page 4: ...Self calibrate the oscilloscope before you perform verification NI SCOPE includes self calibration example programs for LabVIEW CVI and Microsoft Visual C You can initiate self calibration using Meas...

Page 5: ...o the oscilloscope 2 Launch the Scope SFP by selecting Start Programs National Instruments NI SCOPE Scope Soft Front Panel 3 Select the device you want to calibrate using the Select Device dialog box...

Page 6: ...to limits given in Tables 3 through 7 This document provides two sets of test limits for most verification stages the calibration test limits and the published specifications The calibration test lim...

Page 7: ...ication fall within the calibration test limits the device is guaranteed to meet or exceed its published specifications for a full calibration interval In this case you can update the calibration date...

Page 8: ...gure 2 Optional Calibration Programming Flow Self Calibrate Verify Yes No Meets Published Specifications Yes Results Within Published Specs Adjustment Optional No Adjust Cal Dates and Temperatures Upd...

Page 9: ...extra noise that can affect measurements Keep relative humidity between 10 and 90 non condensing Maintain an ambient temperature of 23 5 C Allow a warm up time of at least 15 minutes after NI SCOPE l...

Page 10: ...is section begin with niScope_init niScope Initialize VI with resetDevice set to NISCOPE_VAL_TRUE and end with niScope_close niScope Close VI If any of these tests fail immediately after you perform a...

Page 11: ...hat corresponds to the vertical range used If the result is within the selected test limit the device has passed this portion of the verification 7 Repeat steps 1 through 6 for each iteration in Table...

Page 12: ...r vi The instrument handle you obtained from niScope_init 6 Call niScope_FetchArrayMeasurement niScope Fetch Array Measurement VI with the following parameters channelList 0 timeout 5 0 arrayMeasFunct...

Page 13: ...st 0 inputImpedance NISCOPE_VAL_50_OHM maxInputFrequency 0 3 Call niScope_ConfigureVertical niScope Configure Vertical VI with the following parameters channelList 0 range 2 offset 0 0 coupling NISCOP...

Page 14: ...the following parameters channelList 0 inputImpedance NISCOPE_VAL_1_MEG_OHM maxInputFrequency 0 8 Call niScope_InitiateAcquisition niScope Initiate Acquisition VI with the following parameter vi The...

Page 15: ...t 0 0 coupling NISCOPE_VAL_DC probeAttenuation 1 0 enabled NISCOPE_VAL_TRUE 3 Call niScope_ConfigureHorizontalTiming niScope Configure Horizontal Timing VI with the following parameters minSampleRate...

Page 16: ...a percentage of input using the following formula where a the measured positive voltage b the measured negative voltage c the applied positive voltage d the applied negative voltage Compare the resul...

Page 17: ...ing niScope Configure Horizontal Timing VI with the following parameters minSampleRate 15 000 000 minNumPts 1 000 000 refPosition 50 0 numRecords 1 enforceRealtime NISCOPE_VAL_TRUE 4 Call niScope_Comm...

Page 18: ...ion date and temperature in the EEPROM of the oscilloscope Note If the oscilloscope passed the entire verification procedure within the calibration test limits and you do not want to perform an adjust...

Page 19: ...le 10 Call niScope_CalAdjustRange niScope Cal Adjust Range VI with the following parameters channelName 1 range 0 stimulus 4 0 11 Disconnect or disable all inputs to the oscilloscope 12 Call niScope_C...

Page 20: ...nformation from My System Devices and Interfaces 2 Select the Calibration tab You should see information about the last date and temperature for both external and self calibration NI SCOPE NI SCOPE pr...

Page 21: ...is your complete resource for technical support At ni com support you have access to everything from troubleshooting and application development self help resources to email and phone assistance from...

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