ILX Lightwave LDC-3700C Series, User Manual, Page: 70 / 176

R E M O T E O P E R A T I O N
Command Syntax
54
LDC-3700C Series
C H A P T E R
3
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LDC-3700C Commonly Used Commands
The LDC-3700C 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-3700C 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 3714C,
low range for 3744C).
LAS:LIM:I2
1 Used to set the LASER current source limit (low range for
3724C/3744C).
LAS:LIM:I3
1 Used to set the LASER current source limit (high range for 3744C).
LAS:LIM:I4
1 Used to set the LASER current source limit (high range for 3744C)
LAS:LIM:I5
1 Used to set the LASER current source limit (low range for 3714C,
high range for 3724C).
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.