Section 7: TSP command reference
Series 2600B System SourceMeter® Instrument Reference Manual
7-244
2600BS-901-01 Rev. C / August 2016
Details
Reading this attribute gives the output-off mode of the source. Setting this attribute configures the
SMU output-off mode.
The default
sourceOffMode
is
smu
X
.OUTPUT_NORMAL
. In this mode, the source function is
configured according to the
smu
X
.source.offfunc
attribute. The
smu
X
.source.offfunc
attribute controls whether the SMU is configured as a 0 V voltage source or a 0 A current source.
When the SMU is operating as a 0 A current source, the
smu
X
.source.offlimitv
attribute sets
the voltage limit (similar to how the
smu
X
.source.offlimiti
attribute sets the current limit when
the SMU is operating as a 0 V voltage source).
When the
sourceOffMode
is set to
smu
X
.OUTPUT_ZERO
, the source is configured to output 0 V just
as
smu
X
.OUTPUT_NORMAL
mode with
smu
X
.source.offfunc = smu
X
.OUTPUT_DCVOLTS
. If the
source function is voltage, the current limit is not changed. If the source function is current, the
current limit is set to the current source level or 10 percent of the current source range, whichever is
greater.
When offmode is set to
smu
X
.OUTPUT_HIGH_Z
, the SMU opens the output relay when the output is
turned off.
Example
smua.source.offmode = smua.OUTPUT_HIGH_Z
Sets the output-off mode for SMU
channel A to open the output relay
when the output is turned off.
Also see
(on page 2-76)
(on page 7-242)
(on page 7-242)
(on page 7-244)
smuX.source.output
This attribute sets the source output state (on or off).
Type
TSP-Link accessible
Affected by
Where saved
Default value
Attribute (RW)
Yes
SMU reset
Instrument reset
Recall setup
Not saved
0 (smuX.OUTPUT_OFF)
Usage
sourceOutput
= smu
X
.source.output
smu
X
.source.output =
sourceOutput
sourceOutput
The source's output state setting; set to one of the following values:
0
or
smu
X
.OUTPUT_OFF
: Turns off the source output
1
or
smu
X
.OUTPUT_ON
: Turns on the source output
2
or
smu
X
.OUTPUT_HIGH_Z
: Turns off the output in high Z mode (allows you to go
to high Z mode without first setting the
smu
X
.source.offmode
attribute to
smu
X
.OUTPUT_HIGH_Z
)
X
Source-measure unit (SMU) channel (for example,
smua.source.output
applies
to SMU channel A)