2600AS-901-01 Rev. B / September 2008 Return to Section Topics 19-135
Series 2600A System SourceMeter® Instruments Reference Manual Section 19: Remote Commands
smuX.source.limitY
X = SMU channel (a or b)
Y = SMU measure function (v or i)
Where: v = voltage, i = current
Attribute Compliance limits.
Default
limiti 1 (2601A/2602A)
100e-3 (2611A/2612A/2635A/2636A)
limitv 40 (2601A/2602A)
20 (2611A/2612A/2635A/2636A)
TSP-Link
accessibility
This attribute can be accessed from a remote TSP-Link node.
Usage limit = smuX.source.limitv -- Reads voltage compliance limit.
smuX.source.limitv = limit -- Writes voltage compliance limit.
limit = smuX.source.limiti -- Reads current compliance limit.
smuX.source.limiti = limit -- Writes current compliance limit.
limit 2601A/2602A voltage compliance from 10 mV to ±40 (volts).
2601A/2602A/2611A/2612A current compliance from
10 nA to ±3 A.
2611A/2612A/2635A/2636A voltage compliance from
20 mV to ±200 (volts).
2635A/2636A current compliance from 100 pA to ±1.5 A.
Remarks • Use the smuX.source.limiti attribute to limit the current output of the voltage source. Use
smuX.source.limitv to limit the voltage output of the current source. The SMU will always
choose (auto range) the source range for the limit setting.
• This attribute should be set in the test sequence before the turning the source on.
•Using a limit value of 0 will result in a parameter too small error.
• Reading this attribute indicates the presently set compliance value. Use
smuX.source.compliance to read the state of source compliance.
Details See Section 2.
Also see smuX.source.compliance, smuX.source.func, smuX.source.output
Example Sets V-compliance to 30V for SMU A:
smua.source.limitv = 30
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