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5-4
Relative, mX+b, m/X+b (reciprocal), and log
Configuring math functions
To select and configure math functions from the front panel, press CONFIG then MATH.
Select the math function to configure, then enter the required parameters for mX + b and
m/X + b (m, b, and units). Once a math function is selected, simply press the MATH key
to toggle math on or off. The MATH annunciator will turn on to indicate that the math
function is enabled.
SCPI programming — mX+b, m/X+b, and log
Programming example — mX+b
This command sequence performs a single mX+b calculation and returns the result:
*RST
'Restore RST defaults.
CALC:FORM MXB
'Select mX+b calculation.
CALC:KMAT:MMF 2e-3
'Set scale factor (M) to 2e-3.
CALC:KMAT:MBF 5e-4
'Set offset (B) to 5e-4.
CALC:STAT ON
'Enable calculation.
SYST:ZCH OFF
'Disable zero check.
INIT
'Perform one measurement and
'calculate mX+b.
CALC:DATA?
'Request mX+b result.
Table 5-2
SCPI commands — mX+b, m/X+b, and log
Commands
Description
CALC:FORM <name>
CALC:KMAT:MMF <n>
CALC:KMAT:MBF <n>
CALC:KMAT:MUN <name>
CALC:STAT <b>
CALC:DATA?
CALC:DATA:LAT?
Select math function: MXB, REC, or LOG10.
Set M for mX+b and m/X+b: -9.99999e20 to 9.99999e20.
Set B for mX+b and m/X+b: -9.99999e20 to 9.99999e20.
Set units for mX+b or m/x+b: 1 character: A–Z, ‘[‘=
Ω
, ‘\’=˚, ‘]’=%.
Enable or disable the selected math function.
Returns all CALC results triggered by the INIT.
Returns only the latest CALC reading.
Summary of Contents for 6487
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Page 35: ...1 20 Getting Started Model 6487 User s Manual...
Page 47: ...2 12 Connections Model 6487 User s Manual...
Page 61: ...3 14 Measurements and Sourcing Voltage Model 6487 User s Manual...
Page 85: ...7 8 Remote Operation and Commands Model 6487 User s Manual...
Page 86: ...A Specifications...
Page 88: ...B GeneralMeasurement Considerations...
Page 94: ...C ExamplePrograms...
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