CALibration:VALue:VOLTage
CALibration:VALue:VOLTage <
ref_volts
>
sends the value of the just-measured
DC reference source to the module for A/D calibration.
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
<
ref_volts
>
numeric (float32)
must be within 10% of range nominal
volts
Comments
•
The value sent must be for the currently configured range and output (
ZERO
or
FSCale
) as set by the previous
CALibration:CONFigure:VOLTage <
range
>,<
zero_fs
>
command. Full scale values must be within 10% of .0625, .25, 1, 4, or 10 (the
voltage reference provides 10 VDC on the 16 V range).
•
<
ref_volts
>
may be specified in millivolts (mv).
•
A measurement of the source voltage can be made with an external multimeter
connected to the H Cal, and L Cal terminals on the terminal module, or the V H,
and V L terminals on the Cal Bus connector.
•
Use the
CALibration:CONFigure:VOLTage
command prior to
CALibration:VALue:VOLTage
or Error +3004, “ illegal command” will occur.
•
Use the
CALibration:CONFigure:VOLTage
command to configure the on-board
voltage source for measurement at the Cal Bus connector.
•
Related Commands:
CALibration:CONFigure:VOLTage
,
CALibration:STORe ADC
Command
Sequence
CAL:CONF:VOLT .0625,ZERO
Connect zero voltage reference to
Calibration Bus.
*OPC?
Must wait for CAL:CONF:VOLT to complete.
Now measure voltage with external DMM.
CAL:VAL:VOLT <
measured value
>
Send measured value to module.
.
.
.
CAL:STOR ADC
Store calibration constants in non-volatile
memory (use only at end of complete cal
sequence).
CALibration
Chapter 5
HP E1313/E1413 Command Reference 185
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