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Models 2500 and 2502 User’s Manual Relative, Math, Ratio, and Delta 7-11

Remote RATIO and DELTA

Table 7-7 summarizes commands to control the RATIO and DELTA function via remote.

See the :CALC5 and :CALC6 subsystems in Section 17 for detailed information.

*CALC1 (Ch. 1 math) feeds into CALC3 (Ch. 1 rel). CALC2 (Ch. 2 math) feeds into CALC4 (Ch. 2 rel). See

CALCulate subsystems in Section 17 for details.

Table 7-7

RATIO and DELTA function commands

Command Description*

:CALCulate5:DATA?

:CALCulate5:FORMat <name>

:CALCulate5:STATe <state>

:CALCulate6:DATA?

:CALCulate6:FORMat <name>

:CALCulate6:STATe <state>

:FORMat:ELEMents:CALCulate <name>

:INIT

Request ratio reading.

Set ratio function.

Name = C3C4 (CALC3/CALC4)

C4C3 (CALC4/CALC3)

Enable/enable ratio. State = ON or OFF.

Request delta reading.

Set delta function.

Name = C3C4 (CALC3-CALC4)

C4C3 (CALC4-CALC3)

Enable/enable delta. State = ON or OFF.

Deﬁne CALC data elements. Name =

CALCulate, TIME, or STATus.

Trigger CALC readings (must use before

sending CALCn:DATA?).

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Keithley 2500 User Manual

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