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What could you
    do with four                                                                                          Feedback

    channels?
                                                                                                          Analog/Digital



    Take multiple measurements
    simultaneously and track down the                                                     Safety control
    root cause of your most complex                                                                                        Output
    troubleshooting challenges.                                       Analog                                               Condition


                                                              Input                      Process/Display
                                                                      Digital




                                                                                     Power Supply
    Easily diagnose timing-related issues
    with multiple signals                                                                                          Transducers
    • Real-time inspection of multiple related                                                                     Measurements’
      signals simultaneously
    • Measure a combination of input and output        For industrial electronics, four channels allows you to
      signals and system safety interlocks and         perform three-dimensional testing, measuring input,
      feedback loops                                   output and feedback signals simultaneously.
    Find problems in industrial systems
    including:
    •   Circuit voltage/current overloading
    •   Attenuation/input impedance mismatch
    •   Signal fluctuation/drift
                                                         Mains           AC to DC     DC lter                 DC to AC converter
    •   Conditioning circuits signal integrity           supply         conversion   and buffer

    •   Test point verification for critical signals                                               +Vdc
    •   Input/output/feedback timing issues
    •   Induced noise and disturbances
    •   Random shutdowns/reset                           L1                           bus
                                                                                     voltage                                           T1
                                                                                                                                       T2
    Diagnose VSDs or power inverters and                 L2
                                                                                                                                       T3
    converters
                                                         L3
    • Harmonics, transients and loads in three-
      phase power input                                Gnd
    • Troubleshoot dc to ac converters for faulty                                                  -Vdc
      control circuits or output IGBT gate stages
    • Cable interface—test PWM output for reflec-         Mechanical
                                                           output
                                                                                         Motor (load)               Cable interface

      tions and transients
                                                                                                                                   T3

                                                                                                                                   T2

                                                                                                                                   T1




                                                       In three-phase systems like variable speed drives, UPS or
                                                       back-up generators, use four channels to diagnose power
                                                       input, dc to ac converters, or cable interface problems.




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Fluke Scopemeter - 190 Series II

  • 1. What could you do with four Feedback channels? Analog/Digital Take multiple measurements simultaneously and track down the Safety control root cause of your most complex Output troubleshooting challenges. Analog Condition Input Process/Display Digital Power Supply Easily diagnose timing-related issues with multiple signals Transducers • Real-time inspection of multiple related Measurements’ signals simultaneously • Measure a combination of input and output For industrial electronics, four channels allows you to signals and system safety interlocks and perform three-dimensional testing, measuring input, feedback loops output and feedback signals simultaneously. Find problems in industrial systems including: • Circuit voltage/current overloading • Attenuation/input impedance mismatch • Signal fluctuation/drift Mains AC to DC DC lter DC to AC converter • Conditioning circuits signal integrity supply conversion and buffer • Test point verification for critical signals +Vdc • Input/output/feedback timing issues • Induced noise and disturbances • Random shutdowns/reset L1 bus voltage T1 T2 Diagnose VSDs or power inverters and L2 T3 converters L3 • Harmonics, transients and loads in three- phase power input Gnd • Troubleshoot dc to ac converters for faulty -Vdc control circuits or output IGBT gate stages • Cable interface—test PWM output for reflec- Mechanical output Motor (load) Cable interface tions and transients T3 T2 T1 In three-phase systems like variable speed drives, UPS or back-up generators, use four channels to diagnose power input, dc to ac converters, or cable interface problems. 5