Specifications

Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
amplitude numeric (float32) MIN | 30E-6 | MAX | 488E-6 A dc
ch_list channel list (string) 132 - 163 none
Comments
·
Select 488E-6 (or MAX) for measuring resistances of less than 8000 W. Select
30E-6 (or MIN) for resistances of 8000 W and above. amplitude may be specified
in µA (ua).
·
For resistance temperature measurements ([SENSe:]FUNCtion:TEMPerature) the
Current Source SCP must be set as follows:
Required Current
Amplitude
Temperature Sensor Types and
Subtypes
MAX (488 µA)
MIN (30 µA)
RTD,85 | 92 and THER,2250
THER,5000 | 10000
·
When *CAL? is executed, the current sources are calibrated on the range selected
at that time.
·
When Accepted: Not while INITiated
·
Related Commands: *CAL?, OUTP:CURR:AMPL?
·
*RST Condition: MIN
Usage OUTP:CURR:AMPL 488ua,(@140:147) Set Current Source SCP at channels 40 through 47
to 488 µA
OUTP:CURR:AMPL 30E-6,(@148) Set Current Source SCP at ch 48 to 30 µA
OUTPut:CURRent:AMPLitude?
OUTPut:CURRent:AMPLitude? (@<channel>) returns the range setting of the
Current Source SCP channel specified by <channel>.
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
channel channel list (string) 132 - 163 none
Comments
·
The <channel> parameter must specify a single channel.
·
If <channel> specifies an SCP which is not a Current Source, a +3007, “Invalid
signal conditioning plug-on” error is generated.
·
Returned Value: Numeric value of amplitude set. The C-SCPI type is float32.
·
Related Commands: OUTP:CURR:AMPL
VT1419A Command Reference
OUTPut
246 Chapter 6
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