Scpi Programming - Ratio And Delta - Keithley 2182 User Manual

5-16 Ratio and Delta

SCPI programming - ratio and delta

Table 5-1
SCPI commands - ratio and delta
Commands
:SENSe[1]
:FUNCtion <name>
:CHANnel <chan>
:VOLTage[:DC]
:RATio <b>
:DELTa <b>
:SYSTem:FAZero[:STATe] <b>
Note: Enabling Ratio disables Delta and conversely, enabling Delta disables Ratio.
Programming examples
Ratio programming example — The following program fragment enables Ratio and
displays the result on the computer CRT.
CALL SEND (7, ":sens:volt:func 'volt'", status%) ' Select voltage function.
CALL SEND (7, ":sens:volt:chan 1", status%)
CALL SEND (7, ":sens:volt:ratio", status%)
CALL SEND (7, ":sens:data:fresh?", status%)
reading$ = SPACE$(80)
CALL ENTER(reading$, length%, 7, status%)
PRINT reading$
Description
SENSe Subsystem:
Select voltage function; 'VOLTage'.
Select range control channel; 1 or 2.
Path to configure DC volts:
Enable or disable Ratio (V1/V2).
Enable or disable Delta. Not valid with
TEMP1 or TEMP2 selected.
Enable or disable Front Autozero. To double
the speed of Delta, disable Front Autozero.
Default
VOLT
OFF
OFF
ON
' Select Channel 1 (DCV1) for
' range control.
' Enable Ratio.
' Request a fresh reading.
' Address 2182 to talk.
' Display Ratio reading on CRT.