Keithley 2500

Models 2500 and 2502 User’s Manual Relative, Math, Ratio, and Delta 7-7
Remote math functions
Table 7-4 summarizes commands to control the measurement math functions by remote.
See the :CALC1 and :CALC2 subsystems in Section 17 for detailed information.
Table 7-4
Math function commands
Command Description
:CALCulate[1]:DATA?
:CALCulate[1]:FORMat <name>
:CALCulate[1]:KMATh:MBFactor <n>
:CALCulate[1]:KMATh:MMFactor <n>
:CALCulate[1]:KMATh:MUNits “<string>”
:CALCulate[1]:KMATh:DC<n>
:CALCulate[1]:KMATh:RESP<n>
:CALCulate[1]:STATe <state>
:CALCulate2:DATA?
:CALCulate2:FORMat <name>
:CALCulate2:KMATh:MBFactor <n>
:CALCulate2:KMATh:MMFactor <n>
:CALCulate2:KMATh:MUNits “<string>”
:CALCulate2:KMATh:DC<n>
:CALCulate2:KMATh:RESP<n>
:CALCulate2:STATe <state>
:FORMat:ELEMents:CALCulate <name>
:INIT
Request Ch. 1 math reading.
Set Ch. 1 math function. Name =MXB[1]
(MX + B), COND[1] (I1/V1),
POWER[1].
(I1 * V1), RES[1] (V1/I1), or OP[1].
Ch. 1 MX + B offset (n = B).
Ch. 1 MX + B slope (n = M).
Ch. 1 MX + B units. String = units.
Ch. 1 dark current (n = amps).
Ch. 1 responsivity (n = amps/watt).
Enable/enable Ch. 1 math. State = ON or
OFF.
Request Ch. 2 math reading.
Set Ch. 2 math function. Name = MXB2
(MX + B), COND2 (I2/V2), POWER2
(I2 * V2), RES2 (V2/I2), or OP2.
Ch. 2 MX + B offset (n = B).
Ch. 2 MX + B slope (n = M).
Ch. 2 MX + B units. String = units.
Ch. 2 dark current (n = amps).
Ch. 2 responsivity (n = amps/watt).
Enable/enable Ch. 2 math. 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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