Lakeshore 336, User Manual

Page: 141 / 192

6.6.1 Interface Commands 129
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ANALOG? Monitor Out Parameter Query
Input
ANALOG? <output>[term]
Format n
<output>
Specifies which unpowered analog output to query the Monitor Out
parameters for: 3 or 4.
Returned <input>,<units>,<high value>,<low value>,<polarity>[term]
Format n,n,±nnnnn,±nnnnn,n (refer to command for definition)
AOUT? Analog Output Data Query
Input
AOUT? <output>[term]
Format n
<output> Specifies which unpowered analog output to query: 3 or 4.
Returned <output percentage>[term]
Format ±nnn.n
Remarks Returns the output percentage of the unpowered analog output.
ATUNE Autotune Command
Input
ATUNE <output>,<mode>,[term]
Format n,n
<output>
Specifies the output associated with the loop to be Autotuned: 1 – 4.
<mode> Specifies the Autotune mode. Valid entries: 0 = P Only, 1 = P and I,
2 = P, I, and D.
Example ATUNE 2,1 [term] —initiates Autotuning of control loop associated with output 2, in
P and I mode.
Remarks If initial conditions required to Autotune the specified loop are not met, an Autotune
initialization error will occur and the Autotune process will not be performed. The
TUNEST? query can be used to check if an Autotune error occurred.
BRIGT Display Contrast Command
Input
BRIGT <contrast value>[term]
Format nn
<contrast value> 1–32
Remarks Sets the display contrast for the front panel LCD.
BRIGT? Display Contrast Query
Input
BRIGT?[term]
Returned <contrast value>[term]
Format nn (refer to command for description)