Section 4: Using the Model 9100: AC Harmonics Function 4.21-9
Final Width = 215mm
4.21.5 Crossing Thresholds
4.21.5.1 AC Harmonics Resolution Thresholds
The different resolutions are distinguished by two characteristics:
Maximum and minimum values available.
Absolute resolution of the least-significant digit.
The Voltage and Harmonics thresholds follow those of the Main (fundamental) and
Auxiliary (harmonics) outputs respectively, as defined in the Model 9100 Specifications.
4.21.5.2 Frequency, Harmonic and Resolution Thresholds
The frequency is limited to the range 10 Hz to 3.0000 kHz, 6 significant figures. The
default value is set by the configuration screen (nominally 50Hz).
The maximum Harmonic is the 50
th
.
There are therefore many forbidden combinations, that cause error messages to be
displayed.
e.g. F=100.00 and H=40 will cause an error 9069 “Harmonic frequency cannot
exceed 3000 Hz” because a Harmonic frequency of 4kHz is too high.
For ‘Out of Range’, refer also to to Section 4.4.6.
4.21.5.3 Hardware Configurations
When increasing or decreasing output voltage or frequency, using any method: if the new
voltage or frequency is too large or small for the present hardware configuration, then if
OUTPUT is OFF there will be no noticeable effect as the hardware reconfigures.
If OUTPUT is ON, it will be temporarily turned OFF so that the hardware can
reconfigure, then ON again at the new voltage. No warning is given. This interruption
should cause little disturbance to the reading on any UUT.
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