Idn? Identification Query; Opc Operation Complete Cmd; Opc? Operation Complete Query; Rst Reset Instrument Cmd - Lakeshore 336 User Manual

126 c 6: Computer Interface Operation
HAPTER
IDN?
Input
Returned
Format
Example
OPC
Input
Remarks
OPC?
Returned
Remarks
RST
Input
Remarks
SRE
Input
Format
Remarks
Example
SRE?
Input
Returned
Format
Model 336 Temperature Controller
Identification Query
IDN?[term]
<manufacturer>,<model>,<instrument serial>/<option serial>,
<firmware version>[term]
s[4],s[8],s[7]/s[7],n.n
<manufacturer> Manufacturer ID
<model> Instrument model number
<instrument serial> Instrument serial number
<option card serial> Option card serial number
<firmware version> Instrument firmware version
LSCI,MODEL336,1234567/1234567,1.0
Operation Complete Command
OPC[term]
Generates an Operation Complete event in the Event Status Register upon comple-
tion of all pending selected device operations. Send it as the last command in a com-
mand string.
Operation Complete Query
OPC?[term]
1[term]
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 OPC.
Reset Instrument Command
RST[term]
Sets controller parameters to power-up settings.
Service Request Enable Register Command
SRE <bit weighting>[term]
nnn
Each bit has a bit weighting and represents the enable/disable mask of the corre-
sponding status flag bit in the Status Byte Register. To enable a status flag bit, send
the command *SRE with the sum of the bit weighting for each desired bit. Refer to
section 6.2.6 for a list of status flags.
To enable status flags 4, 5, and 7, send the command *SRE 208[term]. 208 is the sum
of the bit weighting for each bit.
Bit Bit Weighting
4 16
5 64
7 128
Total: 208
Service Request Enable Register Query
SRE?[term]
<bit weighting>[term]
nnn (Refer to section 6.2.6 for a list of status flags)
Event Name
MAV
ESB
OSB