GOTO
This command moves the monochromator to a selected position. Valid values of position are grating dependent and are
described in Appendix C.
To CM110/112:
<16>
D
<High Byte> <Low Byte>
From CM110/112:
<Status Byte>
CM110/112 Action: If valid, move to position ( 256 * <High Byte> ) + <Low Byte> [units].
From CM110/112:
<24>
D
For example, the command to instruct the monochromator to
GOTO
the wavelength 250 nm could be sent as the three
bytes <16>
D
<0>
D
<250>
D
(if the current units are in nm). Here, <16>
D
specifies the
ٛ
GOTO
command while <0>
D
<250>
D
specifies the destination of 250 nm.
INC
This command increments the zero offset value and changes the grating angle by 0.0075 degrees in the counter-clockwise
direction. This is generally always followed by the ZERO command. The CM110/112 does not track the change in
wavelength incurred by this command. The new offset is not in effect unless the ZERO command is issued.
To CM110/112:
<7>
D
From CM110/112:
<Status Byte>
CM110/112 Action: Moves one motor step counter-clockwise
From CM110/112:
<24>
D
INC Machine #2 (CM112 only)
This command increments the zero offset value for Machine #2 and changes the grating angle by 0.0075 degrees in the
counter-clockwise direction. This is generally always followed by the ZERO command. The CM110/112 does not track
the change in wavelength incurred by this command. The new offset is not in effect unless the ZERO command is issued.
To CM110/112:
<8>
D
From CM110/112:
<Status Byte>
CM110/112 Action: Moves one motor step counter-clockwise
From CM110/112:
<24>
D
ORDER
This command determines if the grating rotates clockwise or counter-clockwise.
To CM110/112:
<51>
D
<Order Byte>
From CM110/112:
<Status Byte>
CM110/112 Action: If valid, moves to the zero order position of the selected grating. Rotation of the grating thereafter
will be clockwise if the order byte was 01, and counter-clockwise if the order byte was 254.
Spectral Products
2659-A Pan American Frwy., NE Albuquerque, NM 87107 Tel (505) 343-9700 Fax (505) 343-9705
www.spectralproducts.com
8
From CM110/112:
<24>
D
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