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Slit Width Control Commands (for Motorized Slits only):
FRONT-EXIT-SLIT Designates front exit slit to receive slit control commands.
Note: The designation remains in effect until changed by another slit designator. This
command does not have to be repeated until the designate d slit is changed.
SIDE-EXIT-SLIT Designates side exit slit to receive slit control commands.
FRONT-ENT-SLIT Designates front entrance slit to receive slit control commands.
SIDE-ENT-SLIT Designates side entrance slit to receive slit control commands.
MICRONS Sets the slit width for the designated slit in the range of 10 to 3000 microns to
1 micron resolution.
?MICRONS Returns the slit width setting in microns to the nearest 1 micron.
Grating Calibration Commands:
INIT-OFFSET Sets the offset value for the designated grating. Default values are 0 for gratings 1, 4
and 7; 1536000 for gratings 2, 5 and 8; and 3072000 for gratings 3, 6, and 9. The
limits on the settings are +/-2500 for a 1200 g/mm grating. This corresponds to an
error of greater than +/- 5 nm for a 1200 g/mm grating. The limits are adjusted for
grating groove density, e.g., error for a 600 g/mm grating is +/- 5000. The grating
density designator used with this command is grating number - 1.
e.g., 3072056. 8 INIT-OFFSET for setting offset on grating number 9 - 3rd grating on
turret number 3.
Note: This command requires a decimal point after the offset value.
INIT-GADJUST Sets grating adjustment value for the designated grating. Default values are 10000 for all
gratings. The limits on the parameter for this command are +/-1000 for all gratings. The
grating designator used with this command is the grating number -1.
e.g., 9993 1 INIT-GADJUST for setting gadjust on the second grating of turret number 1.
Note: This command is to maintain compatibility with previous Acton SP series
applications. For new applications, use the INIT-SP300-GADJUST command below.
MONO-EESTATUS Returns setup and grating calibration parameters for all gratings.
RESTORE FACTORY SETTINGS Returns all parameters including grating calibration parameters to the
original factory calibrated settings.
Note: This command will overwrite any calibration parameters set by the user.
MONO-RESET Initializes Acton SP series monochromator. Necessary after using INIT-OFFSET,
INIT-GADJUST.
HELLO Same as MONO-RESET. Used to maintain compatibility with existing applications.
MODEL Returns model number of the Acton SP series monochromator.
e.g., MODEL SP-2358
SERIAL Returns serial number of the Acton SP series monochromator. Format is 7 digits with
the first 3 digits being the model number. e.g., SERIAL 23060232
The following are the Start-Up parameters and their default values:
Default Values: TURRET #1 GRATING #1 WAVELENGTH
0.0 nm SCAN SPEED 100.0 nm/min
INIT-GRATING Selects which of the three gratings on the installed turret the SP-2300i will go to after
finding 0.0 nm on the first grating of the installed turret.
e.g., 2 INIT-GRATING selects the second grating as the default. Accepts values 1 -9.
INIT-WAVELENGTH Sets an initial wavelength for the SP-2300i after initialization.
e.g., 435.84 INIT-WAVELENGTH
INIT-SRATE Sets an initial scan rate for the SP-2300i.
e.g., 500.0 INIT-SRATE