Rev: 2.2, 31-Jan-2022 © 2022 Thorlabs Page 28
DC4100 6 Appendix
6.3.24 Status Reporting
The DC4100 stores the status in a register.
It can be accessed via the 'DC4100_getStatusRegister' command. The following table lists all
status numbers and the according descriptive messages. Each bit represents an error.
The bit 'VCC Fail' has changed.
The power supply is out of range.
The bit 'OTP' (Over Temperature) has changed.
Over temperature in the chassis detected. All LEDs switched
off.
The bit 'No LED1' has changed.
The LED at channel1 is not connected.
The bit 'No LED2' has changed.
The LED at channel2 is not connected.
The bit 'No LED3' has changed.
The LED at channel3 is not connected.
The bit 'No LED4' has changed.
The LED at channel4 is not connected.
The bit 'LED Open 1' has changed.
LED channel 1: No LED is connected.
The bit 'LED Open 2' has changed.
LED channel 2: No LED is connected.
The bit 'LED Open 3' has changed.
LED channel 3: No LED is connected.
The bit 'LED Open 4' has changed.
LED channel 4: No LED is connected.
The bit 'Limit 1' has changed.
LED channel 1: Adjusted current exceeds the current limit and
was set to limit.
The bit 'Limit 2' has changed.
LED channel 2: Adjusted current exceeds the current limit and
was set to limit.
The bit 'Limit 3' has changed.
LED channel 3: Adjusted current exceeds the current limit and
was set to limit.
The bit 'Limit 4' has changed.
LED channel 4: Adjusted current exceeds the current limit and
was set to limit.
The user has changed settings.