F.W. Bell 7030, Инструкция по эксплуатации

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F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
7-36 Section 7 – Remote Operation
SCPI COMMANDS-
ANALOG OUTPUT
COMMANDS
(Continued) :OUTPut#:COUPling2?
The type of signal selected for the corrected analog output (“AC” or “DC”) is
placed in the output queue.
NOTE: This command does not affect the vector summation output. If “4”
is specified as a channel number (#), an error will be reported.
:OUTPut#:ATTenuation2 <NRf>
The full scale output voltage of the corrected analog output can be
specified to any level between 0 and 10 volts in 0.1 volt steps. Normally a
full-scale level of 3.0 volts is used because it directly corresponds to the
full-scale ranges of the instrument. For instance, if on the 300 mT range, a
reading of -189.3 mT will result in an analog output of -1.893 volts. If on
the 3 kG range, a reading of +2.6 kG will result in an analog output of +2.6
volts.
Some data acquisition systems may require different analog input ranges.
For example, assume such a system cannot accept signals greater than
±
2.0 volts. In this case you can specify 2.0V as the full-scale range of the
analog output (<NRf> = 2.0).
The relationship between the output voltage and the flux density reading is:
Full scale output voltage / full scale flux density range
For example, assume the full scale output voltage has been set to 2.0 volts
and the present range setting is 300 mT. The relationship will be:
2.0 volts / 300 mT = 0.0067 volts / mT
Thus, when the flux density reaches the maximum for the present range,
the analog output voltage will reach a maximum of
±
2.0 volts.
NOTE: The vector summation output’s full scale voltage setting can also be
defined by specifying a channel number (#) of “4”.
:OUTPut#:ATTenuation2?
The full scale voltage setting of the corrected analog output (0.0 to 10.0) is
placed in the output queue.
NOTE: The vector summation output’s full scale voltage setting can also be
queried by specifying a channel number (#) of “4”.