Lake Shore Model 331 Temperature Controller User’s Manual
TEMP?
Thermocouple Junction Temperature Query
Input:
TEMP?
Returned:
<junction temperature>[term]
Format:
±nnnnnnn
Remarks:
Temperature is in kelvin.
TUNEST?
Control Tuning Status Query
Input:
TUNEST?
Returned:
<tuning status>[term]
Format:
n
0 = no active tuning, 1 = active tuning.
ZONE
Control Loop Zone Table Parameter Command
Input:
ZONE <loop>, <zone>, <top value>, <P value>, <I value>,
<D value>, <mout value>, <range>[term]
Format:
n,nn,±nnnnnn,±nnnnnn,±nnnnnn,±nnnnnn,±nnnnnn,n[term]
<loop>
Specifies which loop to configure: 1 or 2.
<zone>
Specifies which zone in the table to configure. Valid entries are: 1
–
10.
<top value>
Specifies the top temperature of this zone.
<P value>
Specifies the P for this zone: 0.1 to 1000.
<I value>
Specifies the I for this zone: 0.1 to 1000.
<D value>
Specifies the D for this zone: 0 to 200%.
<mout value> Specifies the manual output for this zone: 0 to 100%.
<range>
Specifies the heater range for this zone if <loop> = 1. Valid entries: 0
–
3.
Remarks:
Configures the control loop zone parameters. Refer to Paragraph 2.9.
Example: ZONE
1,1,25.0,10,20,0,0,2[term]
– Control Loop 1 zone 1 is valid to 25.0 K with P = 10,
I = 20, D = 0, and a heater range of 2.
ZONE?
Control Loop Zone Table Parameter Query
Input:
ZONE? <loop>, <zone>[term]
Format:
n,nn
<loop>
Specifies which loop to query: 1 or 2.
<zone>
Specifies which zone in the table to query. Valid entries: 1
–
10.
Returned:
<top value>, <P value>, <I value>, <D value>, <mout value>, <range>[term]
Format:
±nnnnnn,±nnnnnn,±nnnnnn,±nnnnnn,±nnnnnn,n (Refer to command for description)
Remote Operation
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