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mine which limit has failed, you will have to read the Measurement Event

Reading the results of a limit test does not clear the fail indication of the test.

A failure can be cleared by using a :CLEar command, or by disabling the test

(:STATe OFF).

:CLEar commands

[:IMMediate]

:CALCulate3:LIMit[1]:CLEar[:IMMediate] Clear LIMIT1 test failure

Description This action command is used to clear the fail indication of the LIMIT1 test.

Note that a failure is also cleared when the limit test is disabled (:STATe

OFF).

:AUTO <b>

:CALCulate3:LIMit[1]:CLEar:AUTO <b> Control auto- clear

Parameters <b> = 1 or ON Enable auto-clear for limit failure

0 or OFF Disable auto-clear for limit failure

Query :AUTO? Query state of auto-clear

Description With auto-clear enabled, the fail indication of a limit test clears when instru-

ment operation enters the idle state. With auto-clear disabled, the fail indi-

cation will remain until it is cleared by the :CLEar[IMMediate] command.

:IMMediate

:CALCulate3:IMMediate Perform CALC3

Description When you change the conﬁguration of the limit test, the next reading is eval-

uated according to the new test conﬁguration. If the instrument is not in a

continuous measurement mode (e.g., waiting for a manual trigger), the test

will not be performed until the next reading conversion occurs.

This action command allows you to re-process the current input data to test

new limits. For example, assume the instrument is in a non-continuous mea-

surement mode and requires a manual trigger to cause the next reading con-

version. Changing the test limits will not affect the last test result. However,

sending the :IMMediate command reprocesses the data and evaluates the

reading according to the new test limits. Note that sending the :IMMediate

command does not initiate a reading conversion.

Program PRINT #1, “output 16;:trig:sour bus” ‘ Place 2000 in one-shot mode

SLEEP 3 ‘ Wait three seconds

PRINT #1, “output 16;:calc:imm ‘ Re-perform limit test

SCPI Command Reference 5-25

Keithley 2000 User Manual

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