Features and Functions | 3 |
Fan Speed Monitoring
The U2781A USB modular instrument chassis is also integrated with a fan speed control circuit. It is used to monitor the fan status and speed. The control circuit communicates with backplane USB device via I2C interface. Refer to Figure 3- 5.
To query the fan status, send the SCPI command below:
SYSTem:FSTATus? {12}
To query the fan speed in rpm, send the SCPI command below:
SYSTem:FSPeed? {12}
U2781A User’s Guide | 35 |
