Newport 500B Series, User Manual, Page: 36 / 64

Computer Interfacing 35
Commands common to both Temperature Controllers and Laser Diode Drivers:
Command
Syntax
Command
Description
Remarks
*CLS
Clear status and response
buffer command
*IDN? Identification Query
*RCL Recall Settings Restore instrument to setup state stored in its non-
volatile local memory
*RST
Reset Instrument
*SAV
Save Settings Save instrument’s current settings in its non-volatile
local memory
*STB?
Status Byte Query Returns “message available” and “error message
available” status
ADDRess
Address Command Sets the controller USB address
ADDRess?
Address Query Returns the controller’s USB address
ERRors?
Error query Returns error code
ERRSTR?
Error string query Returns error string
LOCAL
Return to local mode Makes front panel buttons active
HWTemp?
Temperature query Returns instrument temperature in deg. C
KEYswitch?
Key switch query Returns key switch ON / OFF status
Commands specific to Laser Diode Drivers
Command Syntax Command Description Remarks
LASer:LDI(I)
Laser current set point
LASer:SET:LDI? (I?)
Laser current set point query
LASer:LDI? (I?)
Measured laser current query
LASer:MDI(IPD)
Laser photodiode current set point
LASer:SET:MDI? (IPDI)
Laser photodiode current set point query
LASer:MDI? (IPD?)
Measured laser photodiode current query
LASer:LDV?
Measured forward voltage query Same as compliance voltage
LASer:LIMit:LDI(I)
Laser current limit set
LASer:LIMit:LDI?(I?)
Laser current limit set query
LASer:MODE?
Laser mode query
LASer:MODE:I (ILBW, IHBW)
Constant laser current mode
LASer:MODE:MDI(IPD)
Constant photodiode current mode
LASer:MODE:BWidth?
Bandwidth switch setting query
LASer:OUTput
Laser output enable/disable
LASer:OUTput?
Laser output enable status query
LASer:RANGE
Laser current range
LASer:RANGE?
Laser current range query
Table 3 Command Summary