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Models 2500 and 2502 User’s Manual SCPI Command Reference 17-31

CALCulate7 Conﬁgure and control limit tests

The following commands are used to conﬁgure and control the six limit tests:

• Limit 1: channel 1 compliance (hardware) limit test

• Limit 2: channel 2 compliance (hardware) limit test

• Limit 3 through Limit 6: software limits

When used with a handler to provide binning operations, communication between the

Model 2500 and the handler is provided via the Digital I/O port. (See Section 11 for com-

plete details.) Many control aspects of the digital output lines are performed from the

SOURce3 Subsystem. These control aspects include setting and clearing the digital output

lines, and setting pulse width. See “SOURce3,” page 17-74, for details.

Select input path

FEED <name>

:CALCulate7:FEED <name> Select input path for Limit 3-6 tests

Parameters <name> = CALCulate3 Use CALC3 result (channel 1 REL)

CALCulate4 Use CALC4 result (channel 2 REL)

CALCulate5 Use CALC5 result (ratio)

CALCulate6 Use CALC6 result (delta)

Query :FEED? Query input path for Limit 3-6 tests

Description This command is used to select the input path for the Limit 3-6 tests

(software limits). With CALCulate3 or CALCulate4 selected, the speci-

ﬁed limits will be compared to the result of CALC3 (channel 1 REL

feed) or CALC4 (channel 2 REL feed). With CALCulate5 selected, the

speciﬁed limits will be compared with the ratio result. With

CALCulate6 selected, the speciﬁed limits will be compared with the

delta result.

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Keithley 2500 User Manual

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