Model 6487 Reference Manual
Measurements and Sourcing Voltage
3-31
Programming example
— A-V ohms measurements
The following command sequence will perform A-V ohms measurements with a 5V high
value, 10s per phase, and 5 A-V cycles:
*RST
' Return 6487 to GPIB defaults.
TRAC:CLE
' Clear buffer of all readings.
RANG 20e-3
' Select 20mA range (turn off auto).
OHMS:AVOL:VOLT 5
' Set high voltage to 5V.
OHMS:AVOL:ONES OFF
' Disable one-shot mode.
OHMS:AVOL:CLE:AUTO ON
' Enable buffer auto clear.
OHMS:AVOL:TIME 10
' Set time per phase to 10s. (A)
OHMS:AVOL:CYCL 5
' Set number of A-V cycles to 5. (B)
OHMS:AVOL:UNIT OHMS
' Select ohms units.
SYST:ZCH OFF
' Disable zero check.
OHMS:AVOL:ARM
' Arm A-V ohms, turn on source.
INIT
' Trigger A-V readings.
' Wait for time [(A)
×
2]
×
cycles (B)
' before requesting readings. 100s in
' this example.
TRAC:DATA?
' Request data from A-V ohms buffer.
