Specifications

Comments
·
Related Commands: CAL:VAL:RES, CAL:STOR ADC
·
When Accepted: Not while INITiated
Command
Sequence
CAL:CONF:RES connect reference resistor to Calibration
Bus
*OPC? or SYST:ERR? must wait for CAL:CONF:RES to complete
(now measure ref resistor with external DMM)
CAL:VAL:RES <measured value> Send measured value to module
CAL:STORE ADC Store cal constants in non-volatile memory
(used only at end of complete cal sequence)
CALibration:CONFigure:VOLTage
CALibration:CONFigure:VOLTage <range>,<zero_fs> connects the on-board
calibration source to the Calibration Bus. A measurement of the calibration source
voltage can be made with an external “calibration DVM” connected to the H Cal
and L Cal terminals on the Terminal Module or the VHand VLterminals on the
Cal Bus connector. The <range> parameter controls the source voltage level
available when the <zero_fs> parameter is set to FSCale (full scale).
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
range numeric (float32) see comments volts
zero_fs discrete (string) ZERO | FSCale none
Comments
·
The <range> parameter must be within ±5% of one of the five following values:
0.0625 V dc, 0.25 V dc, 1 V dc, 4 V dc, 16 V dc. <range> may be specified in
millivolts (mv).
·
The FSCALE output voltage of the calibration source will be approximately 90%
of the nominal value for each range, except the 16 V range where the output is
approximately 10 V.
·
When Accepted: Not while INITiated
·
Related Commands: CAL:VAL:VOLT, STOR ADC
Command
Sequence
CAL:CONF:VOLTAGE .0625, ZERO connect voltage reference to Calibration
Bus
*OPC? or SYST:ERR? must wait for CAL:CONF:VOLT to
complete
(now measure voltage with external DMM)
CAL:VAL:VOLT <measured value> Send measured value to module
repeat above sequence for full-scale
repeat zero and full-scale for remaining ranges (0.25, 1, 4, 16)
CAL:STORE ADC Store cal constants in non-volatile memory
(used only at end of complete cal sequence)
VT1419A Command Reference
CALibration
Chapter 6 209
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