Lake Shore Model 330 Autotuning Temperature Controller User’s Manual
Remote Operation 4-11
4.3.2 Common Commands
Common commands are input/output commands defined by the IEEE-488 standard and are shared with other
instruments complying with the standard. Common commands begin with an asterisk (*).
Q
QQ
QCLS Clear Interface Command
Input: *CLS
Returned: Nothing
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 controller related
command is *RST.
Q
QQ
QESE Configure Status Reports in the Standard Event Status Register
Input: *ESE <bit weighting>
Returned: Nothing
Remarks: Each bit is assigned a bit weighting and represents the enable/disable status of the
corresponding event flag bit in the Standard Event Status Register. To enable an event flag
bit, send the command *ESE with the sum of the bit weighting for each desired bit. See the
*ESR? command for a list of event flags.
Example: To enable event flags 0, 3, 4, and 7, send the command *ESE 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
Q
QQ
QESE? Query the Configuration of Status Reports in the Standard Event Status Register
Input: *ESE?
Returned: <ESE bit weighting>. Format: nnn[term]
Remarks: The integer returned represents the sum of the bit weighting of the enable bits in the Standard
Event Status Enable Register.
Q
QQ
QESR? Query Standard Event Status Register
Input: *ESR?
Returned: <ESR bit weighting>. Format: nnn[term]
Remarks: Queries for various Model 330 error conditions and status. The integer returned represents
the sum of the bit weighting of the event flag bits in the Standard Event Status Register.
Q
QQ
QIDN? Query Identification
Input: *IDN?
Returned: <manufacturer>, <model number>, <serial number>, <firmware date>
Format: LSCI,MODEL330,aaaaaa,nnnnnn[term]
Remarks: Identifies the instrument model and software level.
Q
QQ
QOPC Operation Complete Command
Input: *OPC
Returned: Nothing
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.
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