ILX Lightwave LDC-3700B Series - LDC-3700 B Commonly Used Commands; Table 3.3 LDC-3700 B Commonly Used Commands

REMOTE OPERATION
Command Syntax
46 LDC-3700 Series
CHAPTER 3
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LDC-3700B Commonly Used Commands
The LDC−3700B complete command set contains over 110 commands that allow you to operate the
controller for a variety of applications. Within the command set, however, is a smaller subset of
commands that will meet most of your needs.
Table 3.3 LDC−3700B Commonly Used Commands
Name Parameters Function
DELAY 1 Used to create a delay in the execution of further commands.
ERR? NONE Returns errors generated since the last query.
Laser
LAS:CALMD 1 Used to set the CAL PD (monitor responsivity) constant.
LAS:LDI 1 Used to set the LAS constant current source set point value.
LAS:LDI? NONE Used to return the constant current source measured value
LAS:LDV? NONE Used to return the measured laser voltage value
LAS:LIM:I1 1 Used to set the LASER current source limit (high range for 3714B, low
range for 3744B).
LAS:LIM:I2 1 Used to set the LASER current source limit (low range for 3724B/3744B).
LAS:LIM:I3 1 Used to set the LASER current source limit (high range for 3744B).
LAS:LIM:I4 1 Used to set the LASER current source limit (high range for 3744B)
LAS:LIM:I5 1 Used to set the LASER current source limit (low range for 3714B, high
range for 3724B).
LAS:LIM:MDP 1 Used to set the constant optical power (from monitor PD) limit value.
LAS:LIM:V 1 Used to set the LASER current source compliance voltage limit value.
LAS:MDP 1 Used to set the constant optical power set point
LAS:MDP? NONE Returns the actual monitor PD power value
LAS:MODE? NONE Returns the mode, I (current), IHBW (high bandwidth) or P (optical power).
LAS:MODE:IHBW NONE Sets the mode to constant current, high bandwidth mode.
LAS:MODE:ILBW NONE Sets the mode to constant current (low bandwidth) mode.
LAS:MODE:MDP NONE Sets the mode to constant optical power mode.
LAS:OUT 1 Used to enable/disable the current source output
LAS:OUT? NONE Returns the current source output status.
LAS:RAN 1 Sets the laser current output range.
TE Controller
TEC:CONST 1 − 3 Used to enter temperature sensor constants, C1, C2, and C3
TEC:CONST? NONE Used to read back the temperature sensor constant values.
TEC:GAIN 1 Used to set the TEC control loop gain parameter.
TEC:LIM:ITE 1 Used to set the TEC constant current source limit value.
TEC:LIM:THI 1 Used to set the TEC upper temperature limit value.
TEC:MODE:T NONE Sets the instrument to constant temperature mode.
TEC:OUT 1 Used to enable/disable the TEC output.
TEC:OUT? NONE Returns the TEC output status.
TEC:T 1 Used to set the TEC (temperature) set point.
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