Lake Shore Model 331 Temperature Controller User’s Manual
6.3.1 Interface Commands (Alphabetical Listing)
QCLS Clear Interface Command
Input: QCLS[term]
Remarks:
Clears the bits in the Status Byte Register and Standard Event Status Register and
terminates all pending operations. Clears the interface, but
not the controller. The related
controller command is
QRST.
QESE Event Status Enable Register Command
Input: QESE <bit weighting>[term]
Format:
nnn
Remarks: Each bit is assigned a bit weighting and represents the enable/disable mask of the
corresponding event flag bit in the Standard Event Status Register. To enable an event flag
bit, send the command
QESE with the sum of the bit weighting for each desired bit. Refer to
Paragraph 6.1.3.2 for a list of event flags.
Example: To enable event flags 0, 3, 4, and 7, send the command QESE 143[term]. 143 is the sum of
the bit weighting for each bit.
Bit Bit Weighting Event Name
0 1 OPC
3 8 DDE
4 16 EXE
7 128
PON
143
QESE? Event Status Enable Register Query
Input: QESE?[term]
Returned:
<bit weighting>[term]
Format: nnn Refer to Paragraph 6.1.3.2 for a list of event flags.
QESR? Standard Event Status Register Query
Input: QESR?[term]
Returned:
<bit weighting>
Format: nnn
Remarks: The integer returned represents the sum of the bit weighting of the event flag bits in the
Standard Event Status Register. Refer to Paragraph 6.1.3.2 for a list of event flags.
QIDN? Identification Query
Input: QIDN?[term]
Returned: <manufacturer>,<model>,<serial>,<date>[term]
Format: aaaa,aaaaaaaa,aaaaaa,mmddyy
<manufacture> Manufacturer ID
<model> Instrument model number
<serial> Serial number
<date> Instrument firmware revision date
Example: LSCI,MODEL331S,123456,020399
6-24 Remote Operation
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