Keithley 6482 - Remote Relative Offset Programming

6482-901-01 Rev. A / August 2012 Return to Section Topics 5-3
Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual Section 5: Relative, Math, Ratio, and Delta
Using the relative offset feature in dual-channel mode
The REL key does not function while the display is in the dual-channel, RATIO, or DELTA display
modes. To view two relative offset readings simultaneously:
1. Press the MSR1 key.
2. Press the REL key.
3. Press the MSR2 key.
4. Press the REL key.
5. Press the TOGGLE key to toggle the display between the two channels.
Remote relative offset programming
Relative offset commands
Table 5-1 summarizes relative offset commands. See Section 16 for additional information.
Table 5-1
Relative offset commands
Command Description
:CALCulate3:NULL:OFFSet <n>
:CALCulate3:NULL:STATe <state>
:CALCulate3:NULL:ACQuire
:CALCulate3:FEED <name>
:CALCulate4:NULL:OFFSet <n>
:CALCulate4:NULL:STATe <state>
:CALCulate4:NULL:ACQuire
:CALCulate4:FEED <name>
Define channel 1 null relative offset value (n = value).
Enable or disable channel 1 relative offset (state = ON or OFF).
Acquire channel 1 relative offset value.
Select input feed (name = SENS1 or CALC1).
Define channel 2 null relative offset value (n = value).
Enable or disable channel 2 relative offset (state = ON or OFF).
Acquire channel 2 relative offset value.
Select input feed (name = SENS2 or CALC2).