ADM00902 Demonstration Board for EMC2103 User’s Guide
DS50002905A-page 32
2019 Microchip Technology Inc.
4. In the
Demo
tab, in the “Control and Plot Options” section, check the “Ext 1” box
from the “Channel” column, and from the “Plot” column, check the boxes
corresponding to “Ext 1” and “RPM”.
This will enable the fan speed control based on the External 1 temperature
channel and plot the related values.
5. From the taskbar, press the
Start Acquisition
button in order to start the demo.
6. In the “Auto” section, set the “Max” parameter to 40°C and the “Min” parameter
to 35°C. When the Ext 1 temperature is below 35°C, the fan will be off.
7. From the taskbar, set the “Heat Source Power Dissipation” to 80%. Note here
that the exact temperature varies and 80% may result in different temperatures
for your board. The fan will start spinning at the minimum RPM when the
temperature has reached the “Min” target and increases the RPM once the
temperature has exceeded the “Max” target.
