New power-supply unit for stepper control system

A new 300 VA CE-compliant power-supply unit has been introduced by SmartDrive for use with the company's recently introduced Taranis DSP-based stepper-motor control system.

A new 300 VA CE-compliant power-supply unit has been introduced by SmartDrive for use with the company's recently introduced Taranis DSP-based stepper-motor control system.

The new unit is designed to be used with one or more Taranis 75P units, depending on total current demand - which can be calculated using design data supplied on a 'Smart Systems' CD also available from SmartDrive.

The power supply operates from 115 or 230 V AC inputs at 50 or 60 Hz, and provides an output of 85 V DC unregulated at a current of 4 A nominal and 5 A peak.

It incorporates an IEC inlet with switch and fuse, plus a regenerative dump circuit.

Launched in March 2000, Taranis is a high-performance, low-cost stepper drive system based on a superfast digital signal processor (DSP) with dedicated peripheral functions.

The DSP system allows direct precision control of the motor current switching devices, with adaptive mathematical modelling providing accurate control of the winding current.

This results in very quiet, super-smooth motion, with over 3 million steps per revolution.

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