6000 Vortex Series Computer Control • 31
Restoring Local (Front-Panel) Control
When the Vortex receives a command from the computer interface, it
deactivates most of the front-panel controls. This remote-control
mode is indicated by the “Remote” LED on the front panel.
To return the controller to local (front-panel) control, press the Local
button on the front panel.
Understanding the Command Types
There are three types of commands understood by the Vortex: Set
commands, Query commands, and Sense commands.
• Use Set commands to set or change a value. Examples would be
commands that turn on the laser head or set the operating current.
• Use Query commands to check the user- or factory- set values of
the laser. Examples include checking the set value for the current
and checking the number of hours of operation.
• Use Sense commands to determine the actual values for the laser
properties at any given time. For example, to check the actual
operating current or the voltage from the auxiliary input.
Sense and Query commands evoke a response from the driver. If you
are using RS-232, the response is sent immediately; with IEEE-488, the
response is loaded into the output buffer (a first-in, first-out buffer with
a capacity of 5 messages). There is no response from Set commands if
they are accepted and properly executed.
Conventions
The following pages contain a summary of all available commands,
followed by detailed definitions for each command. The following
conventions are used in both the “Command Summary” and the
“Command Definitions” sections.
• The part of the command shown in uppercase represents the short
form of the command. The commands are case insensitive.
Vortex6000.book Page 31 Tuesday, February 19, 2002 3:25 PM
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