Specifications

(for example, 4 selects the4Vdcrange). If a value is specified larger than one of
the first four ranges, the VT1419A selects the next higher range (for example, 4.1
selects the 16 V dc range). Specifying a value larger than 16 causes an error.
Specifying 0 selects the lowest range (0.0625 V dc). Specifying AUTO selects
auto range. The default range (no range parameter specified) is auto range.
·
If using amplifier SCPs, set them first and keep their settings in mind when
specifying a range setting. For instance, if the expected signal voltage is to be
approximately 0.1 V dc and the amplifier SCP for that channel has a gain of 8,
<range> must be set no lower than1Vdcoraninput out-of-range condition will
exist.
·
Resistance measurements require the use of Current Source Signal Conditioning
Plug-Ons.
·
The <excite_current> parameter (excitation current) does not control the current
applied to the channel to be measured. The <excite_current> parameter only
passes the setting of the SCP supplying current to channel to be measured. The
current must have already been set using the OUTPUT:CURRENT:AMPL
command. The choices for <excite_current> are 30E-6 (or MIN) and 488E-6 (or
MAX). The <excite_current> parameter may be specified in milliamps (ma) and
microamps (ua).
·
The *CAL? command calibrates resistance channels based on Current Source
SCP and Sense Amplifier SCP setup at the time of execution. If SCP settings are
changed, those channels are no longer calibrated. *CAL? must be executed again.
·
See “Linking Input Channels to EU Conversion” on page 57 for more
information.
·
When Accepted: Not while INITiated
·
Related Commands: OUTP:CURR, *CAL?
·
*RST Condition: SENSE:FUNC:VOLT (@100:163)
Usage FUNC:RES 30ua,(@100,105,107) Set channels 0, 5, and 7 to convert voltage to
resistance assuming current source set to 30 µA use
auto-range (default)
[SENSe:]FUNCtion:STRain:FBENding
:FBPoisson
:FPOisson
:HBENding
:HPOisson
[:QUARter]
Note on Syntax: Although the strain function is comprised of six separate SCPI
commands, the only difference between them is the bridge type they specify to the
strain EU conversion algorithm.
VT1419A Command Reference
[SENSe]
272 Chapter 6
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