2.5 Command List
2 – 11
Identify
*IDN?
Read the device identification string; returns a string similar to the
following:
*IDN?
CR
Example:
Stanford Research Systems,SR470 ,s/n004025,ver1.00
Operation Complete
*OPC(?)
The set form sets the OPC flag in the ESR register when all prior
commands have completed. The query form returns ‘1’ when all
prior commands have completed, but does not a
ff
ect the ESR register.
Power-on Status Clear
*PSC(?)
{
i
}
Set (query) the Power-on Status Clear flag
{
to
i
}
. The Power-on Status
Clear flag is stored in nonvolatile memory in the SR470 , and thus,
maintains its value through power-cycle events. If the value of the
flag is 0, then the Service Request Enable and Standard Event Status
Enable Registers (*SRE, *ESE) are stored in non-volatile memory, and
retain their values through power-cycle events. If the value of the
flag is 1, then these two registers are cleared upon power-cycle.
*PSC 1
CR
Example:
Set the Power-on Status Clear to 1
*PSC?
CR
Example:
1
Returns the current value of Power-on Status Clear.
Recall Instrument Settings
*RCL
i
Recall instrument settings from location
i
. The parameter
i
may
range from 0 to 9. Locations 1 to 9 are for arbitrary use. Location 0 is
used for current instrument settings. It is continually updated after
each key press instrument settings, and restored upon power-on. See
*SAV
for a list of settings that are restored.
*RCL 3
CR
Example:
Recall instruments settings from location 3.
SR470 Shutter Controller
