AutomationDirect IRON HORSE GSD5-240-10C Посібник користувача - Сторінка 4
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Друкувати сторінкуIronHorse GSD5 Series DC Drives General Information
IronHorse GSD5 DC drives are versatile, general-purpose, variable-speed, DC motor controllers that
are designed to control DC Permanent Magnet, Shunt Wound, and some Universal (AC/DC) motors.
Incoming AC voltage is converted to adjustable full-wave rectified DC voltage to operate the DC motor.
Also, a full-wave field voltage is provided for shunt wound motors.
Carefully check the DC Drive for shipping damage. Report any damage to the carrier immediately.
Do not attempt to operate the drive if visible damage is evident to either the circuit or to the
electronic components.
Standard Features
• Input voltages 120/240VAC @ 50/60Hz; output 0–90/180VDC
• Adjustable horsepower settings (1/8 thru 1hp @ 120 VAC input; 1/4 thru 2hp @ 240 VAC input)
• Barrier terminal strip for all power and control wiring
• Full-wave bridge supply
• 1% speed regulation with armature voltage feedback; ±1/2% with tachometer feedback
• Adjustable Minimum speed, Maximum speed, IR Compensation, Current Limit, and Acceleration &
Deceleration
• Line voltage compensation
• 5kΩ speed potentiometer with leads, dial, and knob included.
• 50:1 speed range
• Transient voltage protection
• Voltage following mode or DC tachometer follower by supplying ungrounded 0–12VDC analog input
signal
• DC tachometer feedback (6V at base speed)
• Inhibit circuit permits start & stop without breaking AC lines
• Shunt field supply provided
• Available in NEMA 4/12 enclosure with Power ON/OFF switch, or open-frame chassis
Control Features
MINIMUM SPEED – Allows adjustment of the motor speed when the speed pot is set at minimum
(CCW). This permits the user to eliminate "Deadband" on the main speed control, permitting zero
calibration. Clockwise rotation of "MIN" trim pot increases speed.
MAX SPEED (Maximum Speed) – Allows adjustment of the motor speed when the speed pot is set at
maximum (CW). This permits the user to eliminate the top end "Deadband", which will provide full
speed at maximum rotation. Rotation of the "MAX" trim pot in the clockwise direction increases the
maximum motor speed.
ACCEL (Acceleration) – Allows adjustment of the motor acceleration from a minimum of 0.5 seconds to
approximately 8.0 seconds. The deceleration time is proportional to the ACCEL setting.
I.R. COMP (Speed Regulation) – Adjusts the drive output to compensate for speed changes caused by
varying motor loads. As motor load is increased, IR COMP increases the voltage output of the drive.
Clockwise rotation of the "IR COMP" trim pot increases compensation.
CUR. LIM. (Current Limit) – Provides protection from excessive armature current by limiting the
maximum armature current the drive can provide. This enables adjustment of the maximum torque
the motor can deliver. Torque adjustment (CUR. LIM.) is preset at 125% of rated motor torque
(current) based on horsepower. Clockwise rotation of the "CUR. LIM." trim pot increases the torque
(current) the drive will provide.
INHIBIT TERMINAL PIN – An adjustable acceleration ramp that allows the user a choice of stopping and
starting hard (fast), or stopping hard with a soft start (without breaking the AC lines).
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IronHorse GSD5 DC Drives User Manual – 1st Ed, Rev E – 05/13/2020