ILX Lightwave LDX-32420 User Manual page 79

4
C H A P T E R
LASer:OUTput <0,1,ON,OFF>
LASer:OUTput?
Parameters
Notes
Examples
LASer:RANge <HIGH,LOW>
LASer:RANge?
Parameters
Notes
Examples
62
 LDX-32420
C O M M A N D R E F E R E N C E
LDX-32420 Device-Dependent Command Reference
The LASer:OUTput command turns the laser output on or off.
The LASer:OUTput? query returns the status of the laser output switch.
1, ON = current source is on
0, OFF = current source is off; shorting protection enabled
There is a two-second delay after the output is turned on before the output shorting relay
is opened. Following this, the output current ramps up to the current setpoint slowly to
protect the laser. Therefore, the time to turn the output on and reach the setpoint current
varies from two to about three seconds.
After the output is turned on, it may be useful to wait until the output is stable (within
tolerance) before performing further operations.
When the LASER output is off, an internal short is placed across the output terminals; it
is safe to connect or disconnect devices to the LASER output terminals.
Although the status of the switch is on, the output may not have reached the setpoint
value.
"LAS:I 2; LAS:OUT ON" - action: sets the laser output current to 2 A and then enables
the output.
"Las:OUT?" - response: 0, means that the output switch is disabled.
The LASer:RANge command selects the laser's drive current output range.
The LASer:RANge? query returns the value of the Laser Drive Current range.
HIGH, LOW: represent the laser current output range.
HIGH = 20A range; LOW = 10A range
This range setting effects the Laser Drive Current output current range only. The Laser
Drive Current output should be "off" when this command is issued. If the Laser Diode
Current output is "on" when this command is issued, the LDX-32420 will generate error
E515, and the range will not be changed.
The resolution and accuracy of the laser limit current are dependent on the Laser Drive
Current output range.
"LAS:RAN HIGH" - action: sets the laser output drive current range to 20 A.
"LAS:RAN?" -response: LOW, means that the Laser Drive Current range is 10 A.
F P
RONT ANEL
R
EMOTE
F P
RONT ANEL
R
EMOTE