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Control Resources Technical Articles
Fan Speed Control & ATCAPDF Format
Integrating Fan Speed Control for Advanced Telecom Computing Architecture (ATCA).
Fan Speed Control & Motor EfficiencyPDF Format
Fan Speed Control Technologies and Motor Efficiency Comparison.
Control Resources Standard Products
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AC-VX Fan Speed Control for HVAC applicationsOperation Manual
SmartFan® AC-VX fan speed control is designed for HVAC applications. Automatic detection and adjustment for power factor permits efficient control of a wide range of single phase PSC (Permanent Split Capacitor) and shaded pole fans with current ratings up to 8.0 Amps.
Aurora DC Motor Speed ControlOperation Manual
SmartFan®Aurora is a DC motor speed control designed for OEM applications in HVAC, electronic and industrial control markets. Aurora accepts a 10-72 VDC or 12-48 VAC power source and can control 12, 24, or 48 VDC motors. Aurora regulates DC motor speed control from a 0-5 VDC, 0-10 VDC, 4-20 mA or potentiometer control signal.
- Part numbers beginning with ADC 
Cirrus-2 PWM Fan Speed Control for 4-Wire FansOperation Manual
SmartFan® Cirrus-2 is a fan speed control with programmable interface for one or two 4-wire speed controllable (PWM) fans. Regulates fan speed from a control signal (0-10VDC, 0-20mA), remote transducer or thermistor. Programmable settings configured using a menu-driven handheld programmer Navigator for idle speed, full speed, fan off and alarm trip points
Cirrus-6 PWM Fan Speed Control for 4-Wire FansOperation Manual
SmartFan® Cirrus-6 is a PWM fan speed control and alarm that offers an off-the-shelf cooling solution for 4-wire DC fans and blowers. Cirrus-6 can control and monitor tach pulses from up to six 12, 24, or 48 VDC fans. The controller accepts fan speed control commands (including on/off) and provides pass/fail fan status via an I2C interface.
Cirrus-ECM Motor Speed ControlOperation Manual
SmartFan® Cirrus-ECM Motor Control with programmable interface for one or two ECM motors. Regulates ECM motor speed from a control signal (0-10VDC, 0-20mA), remote transducer or thermistor. Programmable settings configured using a menu-driven handheld programmer Navigator for idle speed, full speed, fan off and alarm trip points.
Fusion-4 Fan Speed Control and Alarm for Telecom CoolingOperation Manual
SmartFan® Fusion-4 is a fan speed control and alarm for electronics and telecom cooling applications. Fusion-4 has a 3 Amp current rating and can control up to four 24 VDC fans. Fan speed control can be based on temperature, single or dual I2C interface or analog control signal (PWM, 5.0 VDC). ATCA compliance for managed or intelligent FRU.
- Part numbers beginning with FUS3 
Fusion-9 Fan Speed Control and Alarm for Telecom CoolingOperation Manual
SmartFan® Fusion-9 is a fan speed control and alarm for electronics and telecom cooling applications. Fusion-9 has a 9 Amp current rating and can control up to nine 24 VDC fans. Fan speed control can be based on temperature, single or dual I2C interface or analog control signal (PWM, 5.0 VDC). ATCA compliance for managed or intelligent FRU.
- Part numbers beginning with FUS9 
LabPower Dual 15V Benchtop Power SupplyOperation Manual
LabPower DS1502 is a dual 15 volt benchtop power supply intended for convenient powering of small digital and analog circuits. The compact size of this dual 15 volt benchtop power supply takes very little valuable bench space and makes it very portable.
LabStrobe LED StroboscopeOperation Manual
LabStrobe STB100-F is a compact, economical hand held LED stroboscope used to measure the speed of rotation or frequency of vibration of a fan, motor, other mechanical part or system. The latest in LED technology provides this pocket sized LED stroboscope with unparalled brightness and battery life.
Multi SD Fan Speed ControlOperation Manual
SmartFan® Multi SD fan speed control and temperature alarm is designed for DC fans and blowers. Multi SD fan speed control accepts and diode ORs dual power feeds in the range from 10 to 75 VDC and can control 12, 24 or 48 VDC fans.
Multi SR Fan Speed Control and Alarm for Telecom CoolingOperation Manual
SmartFan® Multi SR fan speed control and alarm offers an off-the-shelf OEM solution for telecom cooling applications. Multi SR fan speed control accepts and diode ORs dual power feeds in the range from 36 to 75 VDC.
Multi SR fan speed control can control to up to six 24 or 48 VDC fans.
- Part numbers beginning with 052 
Nimbus AC Motor Speed ControlOperation Manual
SmartFan® Nimbus AC motor speed control is a compact motor, pump and fan speed control designed for the HVAC, electronics and industrial motor control markets. Nimbus AC motor speed control can automatically control most single phase AC motors used in humidity control, clean rooms, equipment cooling, ceiling fansl, exhaust ventilators, duct fans & blowers.
Nimbus-HP AC Motor Speed ControlOperation Manual
SmartFan® Nimbus-HP AC motor speed control is designed for OEM applications in HVAC, electronic and industrial control markets. Nimbus-HP provides AC motor speed control from an analog control signal (2-10 VDC, 4-20mA) or up to three remote temperature sensors (thermistor).
Omni SD Fan Speed ControlOperation Manual
SmartFan® Omni SD is a versatile switching DC fan speed control which operates at a high-frequency to achieve maximum power efficiency at minimum size. Omni SD fan speed control is available for nominal 12, 24 and 48 VDC fan operation.
Stratus II Variable Frequency Drive AC Motor Speed ControlOperation Manual
SmartFan® Stratus II Variable Frequency Drive AC Motor Speed Control is an economical, yet highly versatile AC motor speed control drive that provides precise variable speed control of fractional HP single or three-phase AC fans, motors and pumps.
TachScan-3 Fan Speed AlarmOperation Manual
SmartFan® TachScan-3 fan speed alarm monitors tach pulses from up to three DC or AC fans or blowers and provides OR’d pass/fail signals. TachScan-3 fan speed alarm is compatible with any fan that provides open collector or voltage source tach pulses.
TachScan-9 Fan Speed AlarmOperation Manual
SmartFan® TachScan-9 fan speed alarm monitors the tach pulses from up to nine DC or AC fans or blowers. TachScan-9 fan speed alarm accepts any supply voltage from 10 to 75 VDC and is compatible with any fan that provides open collector or voltage source tach pulses.
TachStrip Fan Speed AlarmOperation Manual
SmartFan® TachStrip fan speed alarm accepts tachometer (Hall Effect) pulses from DC or AC fans or blowers. TachStrip fan speed alarm comprises a strip of 6 individual fan speed alarm units bused together. The web separating units can be cut to provide strips to handle any quantity of fans.
Vortex I2C Fan Speed Control for 12 VDC FansOperation Manual
SmartFan® Vortex is an I2C fan speed control and alarm designed for 12V DC fans. Vortex can control and
monitor tach pulses from up to four fans. The I2C fan speed control accepts fan speed commands (including on/off)
and provides individual pass/fail fan status via an I2C interface. Fan speed control can also be based on temperature.
- Part numbers beginning with VOR 
Wisp II Fan Speed ControlOperation Manual
SmartFan® Wisp II is designed for small DC fan speed control applications and includes both a temperature control and sensor circuit packaged in a probe for convenient remote or on-fan mounting. The fan speed control uses a linear operating principle, applying a smooth DC fan speed control voltage to the fans.










