3 Features and Functions
Chassis Temperature Monitoring
The chassis contains a temperature control circuitry. It has two thermistor sensors to sense the inner temperature of the chassis. The temperature control circuitry communicates with backplane USB device through an I2C interface as illustrated in Figure 3- 5.
Figure3-5 Block diagram of temperature monitoring and fan control
The SCPI command below queries the temperature reading from the sensors in oC:
SYSTem:TEMPerature? {12}
34 | U2781A User’s Guide |