8 SENSe Subsystem
236 U8480 Series Programming Guide
[SENSe[1]:]SPEed <numeric_value>
This command sets the measurement speed.
The U8480 Series can operate in three different measurement speed as shown in
the following table.
[a] Minimum acquisition time is the minimum time for the U8480 Series to complete a measurement cycle. The time includes integration time
and settling time.
[b] For the 400 readings/s measurement speed, the minimum acquisition time is the same as integration time. Integration time is defined as the
period during which the analog-to-digital (A/D) converter of the U8480 Series samples the input signal for a measurement.
When the speed is set to 400 readings/s, the following couplings occur:
[a] This change only occurs on the measurement specified in the [SENSe[1]:]SPEed command. When the speed is changed
from 400 readings/s to either 20 or 40 readings/s, the settings that were in place when 400 readings/s was entered are
restored.
Measurement speed
Minimum acquisition time
[a]
20 readings/s 51.2 ms/reading
40 readings/s 24.576 ms/reading
400 readings/s
[b]
2.048 ms/reading
Command Status
[SENSe[1]:]AVERage:STATe
OFF
[a]
[SENSe[1]:]CORRection:DCYCle:STATe
OFF
[a]
[SENSe[1]:]CORRection:GAIN2:STATe
OFF
[a]
CALCulate[1]:MATH:EXPRession “(SENS1)”
This command is included for compatibility purpose only. It has the same
purpose as the [SENSe[1]:]MRATe <NORMal|DOUBle|FAST> command (with
20 readings/s referring to NORMal, 40 readings/s to DOUBle, and up to 400
readings/s to FAST).
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