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VOLUME -25 NUMBER 2
Publication Date: 02/1/2010
Front Page News
People in the News
Electronic Mfg. Services
Electronic Mfg. Products
Special Features: Components and Distribution
Product Preview: Electronics West / MDM
February 2010 Issue
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Mini Fan Controller from Degree Controls
Air velocity/temp. sensor.
Milford, NH — Degree Controls is introducing the C600, an unusual fan controller, which controls and modulates fan RPM based on measuring the real-time air velocity. The controller measures the linear air velocity to determine if it is maintaining design parameters.
The user programs the desired air velocity set point at the sensor location, which is derived empirically during the prototyping or analysis stage of the product. The sensed air velocity is compared to the set point in order to generate a PWM control input to the fan. The controller increases and decreases fan RPM to maintain the desired air velocity. The controller also communicates to a host system by I2C or UART, and can provide the air velocity, air temperature, as well as the PWM signal generated, all in real-time. If cooling fan(s) are unable to generate the required air flow, the controller initiates a low flow alarm. Because the C600 also measures air temperature, a second configurable over-temp alarm can be initiated to the system.
The controller is extremely compact, less than 1-in.
, using 7 pins on a standard 0.1-in. centers. The component is mounted directly to the PCB, wherever air velocity or temperature is most critical in the system.
Contact: Degree Controls, Inc., 18 Meadowbrook Dr., Milford, NH 03055
877-334-7332 or 603-672-8900 fax: 603-672-9565 E-mail: email@example.com Web:
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