Fast-response DC drive for battery-powered uses
A
Sprint Electric product story
Edited by the Engineeringtalk editorial team
Apr 8, 2002
The 200XLV is a miniature, fast response DC motor speed controller for driving brushed DC motors, gear-motors, low inductance printed motors and linear actuators rated up to 100W.
New from Sprint Electric, the 200XLV is a miniature, fast response DC motor speed controller for driving brushed DC motors, gear-motors, low inductance printed motors and linear actuators rated up to 100W.
The 200XLV offers a host of standard features not normally found on drives of this size and price, and is ideal for low power applications such as robotic control and antenna or security camera drives that rely on an unregulated DC or battery supply up to 48V.
The unit operates from a single polarity supply and can accept a wide range of supply voltage.
Despite measuring just 40 x 82 x 50mm, the 200XLV is a genuine four quadrant drive that can motor and brake in both directions of rotation to offer outstanding control of motor speed and torque.
In low cost installations, where the use of a tacho generator would not be cost effective, speed regulation is achieved by using armature voltage feedback.
Speed droop under load can be reduced by the manually adjustable IR drop compensation.
Offering high bandwidth and a superbly linear, noise free output, the 200XLV is ideal for control of linear actuators.
Here the unit can be used with three term PID control, tacho input and position feedback for accurate speed and position control.
A speed ramping function may also be added to provide a quicker response to sudden demand changes, while the drive's set point ramp facility can be used to limit slew rates for applications where a fast response is not required.
The 200XLV can be used to control either motor speed or torque, and with internal precision references it provides ultra stable operation.
Overload capacity is 150% and the output stage has built-in thermal and current limit protection with resettable trip protect the drive and motor against potential damage.
A reduced level trip accommodates very low power applications and an interface is available for limit switch operation.
The compact design allows the 200XLV to be mounted on a back panel or DIN rail, and with all the connections being made to the front access, plug on, screw-terminals installation is quick and easy.
The installation manual includes a comprehensive set up guide and a series of typical wiring schemes enables users to select a configuration to suit their application.
Fully EMC compliant and CE marked, the Sprint Electric 200XLV now provides designers and OEMs with a tiny but powerful linear DC motor speed controller.
Its low cost and high specification, together with the flexibility provided by the many user configurable parameters, makes it highly attractive to OEMs, particularly those involved in the manufacture of security and other equipment requiring accurate control of low power DC motors.
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