The values for the speeds and temperatures are updated approximately every four seconds. The unit provides the capability to activate a temperature sensor on the control circuit-board or to connect an external sensor. A PWM connection also allows the fans to be regulated by the temperature sensor of the mainboard.
Many programs for a wide range of applications can be stored in the microcontroller memory area. A special program can be selected with the jumpers JP1 - JP4 (4-bit address, 16 different configurations).
The error states are shown on an LED. Regular flashing indicates that at least one fan has stopped; irregular flashing indicates that the selected temperature sensor does not function correctly.
The temperature control operates between 30° C and 60° C; the minimum speed is 30% of the total power. Above 30° C, the speed increases by 2% per degree. When the temperature reaches 60° C, all PWM fans rotate automatically at maximum speed. To protect the powerful computers, all operational fans run at maximum power, even when a PWM fan fails, when no external PWM signal comes from the mainboard or when the temperature sensor fails (internal/external).
Visit MSC Technologies at embedded world 2017 in Nuremberg, Hall 2, Booth 238.
About Avnet, Inc.
From components to cloud and from design to disposal, Avnet, Inc. (NYSE:AVT) accelerates the success of customers who build, sell and use technology by providing a comprehensive portfolio of innovative products, services and solutions. For more information, visit www.avnet.com.