THORLABS DC2200, Operation Manual

Page: 48 / 78

© 2020 Thorlabs GmbH 46
DC2200
SOURce1 LED source subsystem commands
Command Description SCPI
SOURce[1] Vol.2 §19
:MODe {CC*|1|CB|2|PWM|3|PULS|4|
IMOD|5|EMOD|6|TTL|7} Set the LED operating mode:
1 = CC = Constant Current
2 = CB = Constant Brightness
3 = PWM = Pulse Width Modulation
4 = PULS = Pulse Modulation
5 = IMOD = Internal Modulation
6 = EMOD = External Modulation
7 = TTL = TTL Input Controlled
:MODe? Query the LED operation mode
[:CURRent] Vol.2 §19.5
:LIMit Vol.2 §19.5.5
[:AMPLitude] {MIN|MAX|<amps>} Sets the limit current value Vol.2 §19.5.5.1
[:AMPLitude]? [{MIN|MAX}] Query the limit current value Vol.2 §19.5.5.1
:TRIPped? Returns limit detection tripped (1) or un-
tripped (0)
[:AMPLitude] {MIN|MAX|<amps>} Set the constant current mode forward cur-
rent value
[:AMPLitude]? [{MIN|MAX}] Query the constant current mode forward
current value
:CCURent LED operating mode “Constant Current”
specific settings. These settings only have
an effect while in “Constant Current” mode
[:CURRent][:LEVel]
[:AMPLitude] {MIN|MAX|<amps>} Set the constant current mode forward cur-
rent value
[:AMPLitude]? [{MIN|MAX}] Query the constant current mode forward
current value
:CBRightness LED operating mode “Constant Brightness”
specific settings. These settings only have
an effect while in “Constant Brightness”
mode
[:BRIGhtness][:LEVel]
[:AMPLitude] {MIN|MAX|<perc>} Sets LED brightness set value in percent of
currently set limit current
[:AMPLitude]? [{MIN|MAX}] Query LED brightness set value in percent
of currently set limit current
:PWM LED operating mode “Pulse Width Modula-
tion” specific settings. These settings only
have an effect while in PWM mode
[:CURRent][:LEVel]
[:AMPLitude] {MIN|MAX|<amps>}
Set the PWM mode forward current value
[:AMPLitude]? [{MIN|MAX}] Query the PWM mode forward current val-
ue
:FREQency
[:CW|:FIXed] {MIN|MAX|<hertz>} Set PWM mode modulation frequency
[:CW|:FIXed]? [{MIN|MAX}] Query PWM mode modulation frequency
:DCYCle {MIN|MAX|<perc>} Set the duty cycle in percent
:DCYCle? [{MIN|MAX}] Query the duty cycle in percent
:COUNt {MIN|MAX|<numeric_value>} Set the number of pulses. 0 = infinite
pulses
:COUNt? [{MIN|MAX}] Query the number of pulses
:PULSe LED operating mode “Pulse Modulation”
specific settings. These settings only have
an effect while in Pulse mode
[:BRIGhtness][:LEVel]
[:AMPLitude] {MIN|MAX|<perc>} Sets LED brightness set value in percent of
currently set limit current
[:AMPLitude]? [{MIN|MAX}] Query LED brightness set value in percent
of currently set limit current