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Section 2: General operation
Model 2657A High Power System SourceMeter® Instrument Reference Manual
2-70
2657A-901-01 Rev. B/December 2012
Remote programming output-off states quick reference
The content of the following table is a quick reference of commands for programming output-off states
from a remote interface.
Output-off state programming quick reference
Command Description
smua.source.offmode = smua.OUTPUT_NORMAL
Selects normal output-off mode.
smua.source.offmode = smua.OUTPUT_HIGH_Z
Selects high-impedance output-off
mode.
smua.source.offmode = smua.OUTPUT_ZERO
Selects zero output-off mode.
smua.source.offfunc = smua.OUTPUT_DCVOLTS
Sets 0 V output with current limit
specified by the
smua.source.offlimiti
attribute.
smua.source.offfunc = smua.OUTPUT_DCAMPS
Sets 0 A output with voltage limit
specified by the
smua.source.offlimitv
attribute.
smua.source.offlimiti = iValue
Sets current limit in normal
output-off mode.
smua.source.offlimitv = vValue
Sets voltage limit in normal
output-off mode.
USB storage overview
The Model 2657A High Power System SourceMeter
®
instrument includes a USB port on the front
panel. To store scripts and to transfer files from the instrument to the host computer, you need a USB
flash drive.
•
For information about saving reading buffers to the USB flash drive, see
(on page 3-8).
•
For information about storing and loading scripts to and from the USB flash drive, see
(on page 6-8).
•
For information about file I/O, see
•
For information about saving user setups, see
(on page 2-38).
Connecting the USB flash drive
The Model 2657A supports flash drives that comply with USB 2.0 standards (as well as USB 1.0 and
1.1 standards). You can save data to the USB flash drive from the front panel, or you can create a
script to save data to the USB flash drive.
To connect the USB flash drive, plug the USB flash drive into the USB port located on the
instrument's front panel (see the figure below).
Содержание 2657A
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