CRI Upgrades SmartFan® Cirrus-6 Fan Tray Controller


November 2014: Control Resources Inc announces key upgrades to its Cirrus-6 fan tray controller. The versatile product now offers original equipment manufacturers quick, repeatable programming options through its Navigator PRG00-F hand-held programmer and is UL Recognized. 

The Control Resources SmartFan® Cirrus-6 is a programmable, fan tray controller designed to manage and monitor up to six 12, 24, or 48 VDC PWM 4 wire fans or blowers.  “With Navigator hand-held programmer compatibility, users can now quickly customize the Cirrus-6 fan tray temperature control curves, temperature alarm triggers, low fan speed triggers, fail safe modes and more”, said James Kundert, the company’s President.  As with previous generations of the Cirrus-6, on-board or external temperature sensors can be used to control the fan speeds or an I2C interface bus can control and monitor the fans. 

Custom factory programming is available for orders as low 50 pieces making Cirrus-6 a cost-effective programmable fan tray controller for original equipment manufacturers. 

About Control Resources Inc

Founded in 1984, innovation, quality and reliability have been the pillars of the CRI products and services. Located in Littleton, MA., USA, CRI offers engineering expertise original equipment manufacturers need to bring products to market quickly, reliably and on budget. With more than 30 years experience, CRI continues to provide custom and off-the-shelf solutions of microprocessor based and power electronics for original equipment manufacturers. For more information, visit the company’s web site at www.controlresources.com.

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PWM Fan Tray Controller, SmartFan® Cirrus-6

  • PWM Fan Controller for up to Six 4 wire DC fans or blowers
  • Temperature or I2C Control Options
  • Easy setup via Navigator Programmer or I2C bus
  • Factory Customization for orders as low as 50 pieces
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Initially designed for our own engineering lab, CRI also offers versatile, low cost test equipment for test benches, laboratories, field work and repair facilities.