DC Whistle Digital Servo Drive

Ultra-compact panel-mounted drive

The DC Whistle is a super compact OEM panel mounted version of the Whistle, which enables fast and easy mounting and implementation. This intelligent, digital servo drive is designed for DC brush and brushless motors, linear motors and voice coils. It weighs just 273 g (only 9.6 oz) and supports up to 20 A of continuous current. Its high density enables the drive to deliver 3.3 kW of peak power and 1.6 kW of continuous power. Based on Elmo's SimplIQ Motion Control technology, the DC Whistle is capable of operating in position, velocity and current modes and it offers a wide range of feedback and I/O options. With Elmo's Composer software, users can easily perform drive setup, configuration, tuning, analysis and programming. The drive operates on DC power.

115 x 75 x 25.8 mm (4.53" x 2.95" x 1")

DC Whistle’s Environmental Conditions

Feature	Value
Ambient operating temperature	0° to 40°C (32° to 104°F)
Maximum operating altitude	10,000 m (30,000 ft)
Maximum relative humidity	90% non-condensing
Operating area atmosphere	No flammable gases or vapors permitted in area
Models for extended environmental conditions are available.

Electrical Specifications

Feature	Unit	1/60	2.5/60	5/60	10/60	15/60	1/100	2.5/100	5/100	10/100	15/100	20/100
Minimum supply voltage	VDC	8.5					12
Nominal supply voltage	VDC	48					85
Maximum supply voltage	VDC	59					95
Auxiliary Power supply	VDC	12 to 95 VDC (up to 2.5 VA inc. 5V/200mA for the encoder)
Max. output power from the drive without heatsink	W	50	120	240	480	720	75	180	400	800	1200	1600
Efficiency at rate power	%	> 99
Output Voltage	%	> 95% of supply VDC at f=22 KHz
DC and Trapezoidal Commutation Continuous Current Limit (Ic)	A	1	2.5	5	10	15	1	2.5	5	10	15	20
Sinusoidal Commutation Continuous RMS Current Limit (Ic)	A	0.7	1.8	3.6	7	10.7	0.7	1.8	3.6	7	10.7	14.1
Peak current limit (RMS)	A	2 x Ic
Pulse-Width Modulation (PWM) Switching Frequency	KHz	22 +/-5% default on the motor
Switching Method		Advanced Unipolar PWM
Weight	g (oz)	273 grams (9.6 oz)
Dimensions	mm (in)	115 x 75 x 25.8 mm (4.53" x 2.95" x 1")
Mounting		The DC Whistle designed for two standard mounting options: Wall Mount, along the back (can also be mounted horizontally on a metal surface) Book Shelf, along the side