3-28 Measurements and Sourcing Voltage Model 6487 Reference Manual
Interlock
Attempting to run A-V ohms from the front panel while the interlock is open and failing
will result in the error message “CLOSE INTLCK” being displayed. If trying to run
remotely with the :ARM command the error event +802 “Output Blocked by Interlock” is
generated.
SCPI commands — A-V ohms
Table 3-10
SCPI commands — A-V ohms
Commands Description Default Ref
To make measurements:
[SENSe[1]]
[:CURRent[:DC]]
:OHMS
:AVOLtage
[:ARM]
[:ARM]?
:ABORt
:VOLTage <NRf>
:TIME <NRf>
:POINts?
:ONEShot <b>
:CYCLes <NRf>
:UNITs <name>
:CLEar
:AUTO <b>
:BCOunt?
SENSe[1] subsystem:
Current measurement commands:
Ohms mode commands:
Path to A-V ohms commands:
Arm A-V ohms mode.
Query if A-V ohms is armed. (1 = armed).
Abort A-V ohms mode.
Set high voltage value (-505 to 505V).
Set time interval for each phase.
Query number of points.
Enable or disable one-shot mode.
Set number of A-V cycles (1 to 9999).
Select AMPS or OHMS units.
Clear A-V ohms buffer.
Enable/disable A-V buffer auto clear.
Query number of A-V points.
10V
15s*
ON
3
AMPS
ON
A
A
B
C
D
E
F
G
H
I
I
J
To access A/V readings:
TRACe
:DATA? [BUFFER]
:MODE?
CALCulate3
:FORMat <name>
:DATA?
TRACe subsystem:
Request data from BUFFER.
Query buffer mode: DC or AVOLtage.
CALCulate3 Subsystem:
Select buffer statistic; MINimum, MAXimum,
MEAN, SDEViation, or PKPK.
Read the selected buffer statistic.
BUFFER
MEAN
K
L
Section 6
*Default depends on integration rate: 15s for 1 PLC or greater, 1s for 0.1 PLC, and 0.1s for 0.02 PLC.
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