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Output Subsystem
The analog output is turned off as a de
-
fault. You turn it on/off and set the scal
-
ing factor under ANALOG OUT in the
aux menu.
Scaling Factor
The scaling factor has two functions:
–
Its exponent selects which digits to output
on the analog output.
–
Its value sets what reading should represent
full scale.
As default, the scaling factor is 1 (1E0).
This means that the full scale value is
0.999 and the analog output converts the
fraction (digits to the right of the decimal
point) to a voltage.
The scaling factor should be:
Scaling factor
full scale value
=
1
where full scale value is the value for
which you want the analog output to out
-
put its maximum voltage (5 V).
Example:
–
Take a measurement result, for instance:
12.34567890 E+6 Hz
–
Represent this result without exponent:
12345678.90 Hz
–
Multiply this value with the scaling factor,
for instance 0.001.
12345.67890
–
Take the fractional part of the result:
.67890
Using the Subsystems
Output Subsystem 6-11
50
Ω
/1 M
Ω
50
Ω
/1 M
Ω
12Vrms-50
Ω
350Vp-1M
Ω
50
Ω
#8
5V range
.67890 on the display
gives 3.38V with
scaling factor 1
ANALOG OUT
connector
Analog Out = ON, set scaling factor and exponent
scaling factor 1
scaling factor 4
Scaling factor selects
fu ll s ca le v a lu e
Scaling exponent m oves
insertion point
Figure 6-3 The analog output func
-
tion.