Lakeshore 331S - Page 135

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 6-39