Model 2657A High Power System SourceMeter® Instrument Reference Manual Section 2: General operation
2657A-901-01 Rev. B/December 2012 2-69
To configure the output-off function from the front panel:
1. Press the CONFIG key.
2. Press the OUTPUT ON/OFF control. The CONFIGURE OUTPUT A menu is displayed.
3. In the CONFIGURE OUTPUT A menu, select OFF-STATE to display the OUTPUT OFF STATE
A menu.
4. With the OUTPUT OFF STATE A menu displayed, select FUNCTION to display the OFF
FUNCTION A menu.
5. In the OFF FUNCTION A menu, select CURRENT or VOLTAGE.
To configure the output-off function remotely:
To set 0 V output with current limit set by the smua.source.offlimiti attribute:
smua.source.offfunc = smua.OUTPUT_DCVOLTS
To set 0 A output with voltage limit set by the smua.source.offlimitv attribute:
smua.source.offfunc = smua.OUTPUT_DCAMPS
Output-off limits (compliance)
You can set output-off limits (compliance) for the current and voltage output-off functions using the
CONFIG menu on the Model 2657A front panel, or by setting the smua.source.offlimitY
attribute from a remote interface. The output-off limits only apply when the output-off mode is normal.
Setting the output-off limit for CURRENT (smua.source.offlimiti) specifies the current limit for
the voltage source; setting the output-off limit for VOLTAGE (smua.source.offlimitv) specifies
the voltage limit for the current source.
Setting output-off limits
To configure output-off limits from the front panel:
1. Press the CONFIG key.
2. Press the OUTPUT ON/OFF control. The CONFIGURE OUTPUT A menu is displayed.
3. In the CONFIGURE OUTPUT A menu, select OFF-STATE to display the OUTPUT OFF STATE
A menu.
4. With the OUTPUT OFF STATE A menu displayed, select LIMIT to display the OFF LIMIT A
menu.
5. In the OFF LIMIT A menu, select CURRENT or VOLTAGE.
6. Use the left or right arrow keys or turn the navigation wheel to select the current or voltage
limit, and then press the ENTER key or the navigation wheel to save your settings.
7. Press the EXIT key to return to the main display.
To set the current limit in NORMAL output-off mode remotely:
smua.source.offlimiti = iValue
To set the voltage limit in NORMAL output-off mode remotely:
smua.source.offlimitv = vValue
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