Sensorless Drives

May 1, 2004
The DURApulse series of sensorless vector AC drives are built on the simplicity and flexibility of the company’s GS1 and GS2 series drives.

They are available in 1 to 100 HP models and offer sensorless vector and closed-loop control, auto tuning, 175 percent starting torque and 150 percent rated current for one minute. Also featured are automatic torque and slip compensation, internal dynamic braking circuits for models under 20 HP and programmable jog speed. DURApulse drives provide three analog inputs (0-10V, -10 to +10VDC or 4-20mA), 16 preset speeds, 11 programmable digital inputs, four programmable outputs (three digital and one relay) and one analog output. The drives are UL and CE listed and are provided with a two-year replacement warranty. Prices range from $289 to $3,999.