Lakeshore 332 User Manual page 123

Q OPC
Operation Complete Command
QOPC[term]
Input:
Remarks: Generates an Operation Complete event in the Event Status Register upon completion of all
pending selected device operations. Send it as the last command in a command string.
OPC?
Q
Operation Complete Query
QOPC?[term]
Input:
Returned: 1[term]
Remarks: Places a "1" in the controller output queue upon completion of all pending selected device
operations. Send as the last command in a command string. Not the same as QOPC .
QRST
Reset Instrument Command
QRST[term]
Input:
Remarks: Sets controller parameters to power-up settings.
QSRE
Service Request Enable Register Command
QSRE <bit weighting>[term]
Input:
nnn
Format:
Remarks: Each bit has a bit weighting and represents the enable/disable mask of the corresponding
status flag bit in the Status Byte Register. To enable a status flag bit, send the command
QSRE with the sum of the bit weighting for each desired bit. Refer to Paragraph 6.1.3.1 for a
list of status flags.
Example: To enable status flags 0, 2, 4, and 6, send the command QSRE 89[term] . 89 is the sum of
the bit weighting for each bit.
QSRE?
Service Request Enable Register Query
QSRE?[term]
Input:
Returned: <bit weighting>[term]
nnn
Format:
QSTB?
Status Byte Query
QSTB?[term]
Input:
Returned: <bit weighting>[term]
nnn
Format:
Remarks: Acts like a serial poll, but does not reset the register to all zeros. The integer returned
represents the sum of the bit weighting of the status flag bits that are set in the Status Byte
Register. Refer to Paragraph 6.1.3.1 for a list of status flags.
Remote Operation
Lake Shore Model 332 Temperature Controller User's Manual
Bit Bit Weighting
0 1
3 8
4 16
6 64
89
Refer to Paragraph 6.1.3.1 for a list of status flags.
Event Name
New A&B
Alarm
Error
SRQ
6-25