Section 4: Using the Model 9100: DC Power Function - Operation 4.19-7
Final Width = 215mm
4.19.4 Value Editing
4.19.4.1 Amplitude Editing
Output values can be changed using ‘Digit’ and ‘Direct’ edit facilities as described in
Section 3.
Editing of power The output power can be defined by directly entering it into the
Power field (in which case the voltage will be recalculated automatically, based on the
present current setting), or the output power can be defined by entering the voltage and
current into their respective fields (see below).
For example: If V=10V and I=1A then a Power level of 10W will be displayed. If the
Power field is increased to 11W the Voltage field will automatically be
recalculated to 11V.
Note that directly editing the Power field first requires a suitable Current value to be set.
Otherwise an error message will result.
Editing the Main channel amplitude only varies the voltage source.
Editing the Auxiliary channel amplitude normally varies the current source, but its
operating mode can be modified to provide an auxiliary voltage source (displayed as an
equivalent current), or to allow the selection of current coils that can be used to boost the
effective current output as described in 4.19.3.
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