ILX Lightwave LDC-3916338 User Manual page 56

3.0 amp laser diode current source module
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¨Front Panel
n Remote
The LASer:CAL:VALUE? query is used at the factory only.
¨ Front Panel
n Remote
The LASer:COND? query returns the value of the selected channel's Laser Condition Status register.
SYNTAX DIAGRAM
PARAMETERS
None. The response is the sum of the following:
1 - Laser current limit
2 - Laser voltage limit
4 - N/A
8 - Power limit
16 - Interlock disabled
32 - N/A
64 - N/A
128 - Open circuit
POINTS OF
INTEREST
The Laser conditions which are reported to the status byte and ALLCOND register are set via
the LASer:ENABle:COND command (for each channel).
The Open circuit condition is only present while a Laser output is on, and when the hardware
detects this condition, it will turn that Laser output off. Therefore, the Open Circuit condition is
fleeting and may be missed via the LAS:COND? query. Therefore, the user should test for the
Open Circuit Event via the LAS:EVEnt? query.
The Laser condition status is constantly changing, while the event status is only cleared when
the event status is read or the *CLS or *RST command is issued.
The voltage limit condition occurs as a warning when the voltage is about 0.25 volts below the
VLIM setting.
COMMAND REFERENCE
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
:
:
LAS
256 - Output is off
512 – Output In Tolerance
1024 - Output is on
2048 - N/A
4096 - N/A
8192 - N/A
16384 - N/A
32768 - N/A
NOTE
PAGE 11
LASer:CAL:VALUE?
LASer:COND?
?
COND
CHPT 4

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