2.4 Command List
2 – 5
2.4
Command List
2.4.1
Shutter motion control commands
Open
@
Moves the shutter blade from the closed state to open state.
When executed, this places the shutter into logic level lockout mode.
(See description of command
F
.)
The command to open the shutter will be ignored unless (1) the
shutter is in the closed position, and (2) serial control of the blade
position has not been disabled with command
E
.
Close
A
Moves the shutter blade from the open state to closed state.
When executed, this places the shutter into logic level lockout mode.
(See description of command
F
.)
The command to close the shutter will be ignored unless (1) the
shutter is in the open position, and (2) serial control of the blade
position has not been disabled with command
E
.
Toggle state
B
Moves the shutter from the Open state to Closed state or vice versa,
depending on the initial state.
When executed, this places the shutter into logic level lockout mode.
(See description of command
F
.)
The command to toggle the shutter state will be ignored unless (1)
the shutter is in the open or closed position, and (2) serial control of
the blade position has not been disabled with command
E
.
Toggle alignment mode
J
Enable alignment mode if it is presently disabled. Disable alignment
mode if it is presently enabled.
In alignment mode, the shutter continuously opens and closes at
fixed rate of approximately 2 Hz. This mode can be helpful for
optical alignment of the shutter head; see
§
1.3.
When executed, this places the shutter into logic level lockout mode.
(See description of command
F
.)
This command will be ignored unless (1) The shutter is either in the
open or closed position or already in alignment mode, and (2) serial
SR475 and SR476 Laser Shutters
