Fluke 192, 199, 196 user manual Tips Using the Independently Floating Isolated Inputs

Page 77

Tips

7

Using the Independently Floating Isolated Inputs

ANALOG INPUT

 

 

DIGITAL CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANALOG GROUND

DIGITAL GROUND

Figure 44. Parasitic capacitance between probes,

instrument and environment

 

DC BUS

+

MOTION/MOTOR CONTROLLER

 

DIGITAL

 

M

GROUND

 

 

 

DC BUS

-

 

 

Figure 45. Parasitic capacitance between analog and

digital reference

Figure 46. Correct connection of reference leads

ANALOG INPUT

 

 

DIGITAL CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIGITAL

GROUND

Figure 47. Wrong connection of reference leads

Noise that is picked up by reference lead B can be transmitted by parasitic capacitance to the analog input amplifier.

69

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Contents Fluke 192/196/199 Page Limited Warranty & Limitation of Liability Service Centers Table of Contents Using The Recorder Functions Using The MultimeterUsing Replay, Zoom and Cursors Fluke 192/196/199Iii Index SpecificationsManufacturer Declaration of ConformityStatement of Conformity Sample testsScopeMeter Test Tool Kit Unpacking the Test Tool Kit# Description DescriptionSafety Information Read First Safety Information Read First Impair the protection provided by the equipment If Safety Features are ImpairedUse of the test tool in a manner not specified may About this Chapter Using The ScopePowering the Test Tool Screen After Reset Resetting the Test ToolOpen the Waveform Options Navigating a MenuInput Connections Hiding Key Labels and MenusScope Connections Making Scope ConnectionsScreen After an Auto Set Displaying an Unknown Signal with Connect-and-ViewMeasurement Making Automatic Scope MeasurementsSelect the Peak-Peak Hz and V peak-peak as Scope Readings Freezing the ScreenJump to Waveform Using Average, Persistence and Glitch CaptureUsing Average for Smoothing Waveforms Persistence , then select Infinite Using Persistence to Display WaveformsJump to Waveform and Select Suppressing High Frequency Noise Displaying GlitchesReversing the Polarity of the Displayed Waveform Acquiring WaveformsSelecting AC-Coupling Select 10kHz HF reject to Mathematics... to open Analyzing WaveformsMathematics menu Or a vs BMaking Meter Connections Using The MultimeterMeasuring Resistance Values Making Multimeter MeasurementsHighlight a ac Making a Current MeasurementOpen the Current Probe SubmenuAmpere Measurement Readings Selecting Auto/Manual Ranges Freezing the ReadingsMaking a Relative Measurement Making Relative MeasurementsOpening the Recorder Main Menu Using The Recorder FunctionsHighlight Trend Plot Scope Plotting Measurements Over Time TrendPlotStarting a TrendPlot Function TrendPlot Reading Displaying Recorded DataTurning Off the TrendPlot Display Changing the Recorder OptionsOpen the Recorder Options MenuHighlight Scope Record Recording Scope Waveforms In Deep Memory Scope RecordStarting a Scope Record Function Using ScopeRecord in Single Sweep Mode Level Using Scope Record in Triggered Single Sweep ModeJump to Display Glitches Select Yes, then jump to Mode Triggered Single Sweep Recording Analyzing a TrendPlot or Scope RecordReplaying the 100 Most Recent Scope Screens Using Replay, Zoom and CursorsReplaying a Waveform Replaying Step-by-StepCapturing 100 Intermittents Automatically Replaying ContinuouslyTurning Off the Replay Function Zooming in a Waveform Zooming in on a WaveformTurning Off the Zoom Function Displaying the Zoomed WaveformMaking Cursor Measurements Using Horizontal Cursors on a WaveformTurn off the cursors Using Vertical Cursors on a WaveformMaking Rise Time Measurements Using Cursors on a A+B, A-B or A*B WaveformTriggering on Waveforms Screen with all Trigger Information Setting Trigger Level and SlopeTrigger Delay or Pre-trigger View Using Trigger Delay or Pre-triggerOpen the Automatic Trigger Automatic Trigger OptionsOpen the Trigger Options menu Open the Trigger Options menu Open the Trigger on Edge menu Triggering on EdgesSelect Free Run, jump to Noise Reject FilterMaking a Single Acquisition Triggering on Noisy WaveformsSelect On Trigger, jump to Noise Set Noise reject Filter to OnMaking a Single Shot Measurement Label Triggering on External WaveformsSelect 1.2V under the Ext Level Triggering on Video Signals Triggering on Video Lines Enable video line selectionTriggering on Video Frames Select On Trigger Triggering on PulsesDetecting Narrow Pulses Triggering on Narrow Glitches Open the Trigger Options menu Select On Trigger Finding Missing PulsesTriggering on Missing Pulses Saving and Recalling Using Memory, PC and PrinterSaving Screens with Associated Setups Display the SAVE/PRINT key labels Deleting Screens with Associated SetupsRecalling Screens with Associated Setups Scroll through all stored screens Recalling a Setup Configuration Viewing Stored ScreensDocumenting Screens Connecting to a ComputerConnecting a Serial Printer Connecting to a PrinterOpen the Printer Setup submenu Setting up the Printing ConfigurationPrinting a Screen Baud RateFluke 192/196/199 Tips Using the Standard Accessories Heavy Duty Fixed Connections for Scope Probing Using 2-mm Heavy Duty Test ProbesTips Using the Standard Accessories Measuring Using Independently Floating Isolated Inputs Using the Independently Floating Isolated InputsTips Using the Independently Floating Isolated Inputs Suppressing Key Labels and Menu’s Using the Tilt StandTurn the test tool off Press and holdChanging the Information Language Adjusting the Contrast and BrightnessOpen the Language Select Accept French as the languageChanging Date and Time Open Date Adjust menuChoose 1999, jump to Month Choose 04, jump to DaySetting the Power Down Timer Saving Battery LifeChanging the Auto Set Options Open the User Options menu Open the Auto Set Adjust MenuTo Coupling Select UnchangedStoring the Test Tool Cleaning the Test ToolMaintaining the Test Tool Charging the Batteries Charging the BatteriesOpen the User Options menu Extending Battery Operation TimeCalibrating the Voltage Probes Replacing the NiMH Battery Pack BP190Select 101, then return Select Voltage, then jump toMaintaining the Test Tool Standard Accessories Parts and AccessoriesDisplaying Calibration Information Open the Version & CalibrationOrdering Code Standard AccessoriesTL24 General Purpose Leads RS200 Optional Accessories Troubleshooting FlukeView Does Not Recognize The Test Tool Battery Operated Fluke Accessories Do Not FunctionPerformance Characteristics SpecificationsSafety Characteristics IntroductionHorizontal Dual Input OscilloscopeIsolated Inputs a and B Vertical Automatic Connect-and-View Trigger Trigger and DelayEdge Trigger Isolated External TriggerAutomatic Scope Measurements AC+DC Voltage True RMS AC Voltage VACPeak Amperes AMPFrequency Hz Duty Cycle DutyPhase PowerTemperature Temp Decibel dBDMM Measurements on Meter Inputs MeterDiode With Optional Temperature ProbeScope Record RecorderTrendPlot Meter or Scope Miscellaneous Zoom, Replay and CursorsMemory Probe CalibrationOptical InterfacePort MechanicalEnvironmental Max. Floating Voltage SafetyMax. Input Voltages Electrical specifications SafetyProbe Environmental102 Disturbance less than 10% of full scale = 3V/m Electromagnetic Immunity104 Numerics Index106 107 108