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6-6
Averaging Filter, Math, and Buffer
Configuring mX+b and m/X+b
To select and configure mX+b and m/X+b from the front panel, press CONFIG
then MATH. Select the math function (MX+B or M/X+B), then enter the required
parameters (m and b). Once a math function is selected, press the MATH key to
toggle math on or off. The MATH annunciator will turn on to indicate that the math
function is enabled.
Remote programming – Math
Commands for mX+b and m/X+b math calculations are listed in
Table 6-3
Math commands
Command
CALCulate[1]:FORMat <name>
CALCulate[1]:KMATh:MMFactor <NRf>
CALCulate[1]:KMATh:MA1Factor <NRf> Set "m" factor for mX+b and m/X+b.
CALCulate[1]:KMATh:MBFactor <NRf>
CALCulate[1]:KMATh:MA0Factor <NRf> Set "b" factor for mX+b and m/X+b.
CALCulate[1]:STATe <b>
CALCulate[1]:DATA[:LATest]?
CALCulate[1]:DATA:FRESh?
Programming example — mX+b
This command sequence performs a single mX+b calculation and displays the
result on the computer CRT. Note that Delta, Pulse Delta, or Differential Conduc-
tance must be running when the CALC1 read command is sent.
CALC1:FORM MXB
CALC1:KMAT:MMF 2e-3
CALC1:KMAT:MBF 5e-4
CALC1:STAT ON
CALC1:DATA?
Select math format.
<name> = NONE, MXB or RECiprocal
Set "m" factor for mX+b and m/X+b.
<NRf> = -9.99999e20 to 9.99999e20
(same as MMFactor)
Set "b" factor for mX+b and m/X+b.
<NRf> = -9.99999e20 to 9.99999e20
(same as MBFactor)
Enable or disable CALC1 calculation
Return the latest CALC1 result.
Same as CALC1:DATA? except a reading
can only be returned once.
' Select mX+b math format.
' Set scale factor (M) to 2e-3.
' Set offset (B) to 5e-4.
' Enable CALC1 (math).
' Request latest CALC1 reading.
Return to
Section 6 topics
Model 6220/6221 User's Manual
Table
Description
6-3.
Default
MXB
1.0
1.0
0.0
0.0
OFF
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