DMD01.1-W082N Bosch Rexroth Indramat
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MPN: R911281536
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The Bosch Rexroth Indramat DMD01.1-W082N is a digital servo drive controller in the DMD Servo Drives series, featuring a rated output of 750 W and continuous output current of 4.3 Arms. It uses the IGBT PWM sine-wave control method and supports both 1- and 3-phase power supplies at 200 to 230 V, 50/60 Hz. The drive is cooled naturally and includes a dynamic brake function, RS232C interface, and incremental encoder feedback with 2,500 pulses per revolution.
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Product Description:
The DMD01.1-W082N is a digital servo drive controller from Bosch Rexroth Indramat and is part of the DMD Servo Drives series. Intended for mid-power point-to-point or contouring axes, the device processes velocity and position loops internally and forwards diagnostic information to the machine controller. By converting fixed-frequency mains power into regulated three-phase output power, it supports precise torque and speed control of brushless servomotors used in packaging, pick-and-place, and material-handling stations. It operates from a 1- or 3-phase 200–230 V, 50/60 Hz line and uses a 24 VDC external supply for its logic circuitry, allowing straightforward integration with industrial controls.
The drive exchanges parameter data and alarm codes through the RS232C serial interface, so setup software or a PLC can adjust gains without removing cabinet covers. During continuous operation, it can deliver 4.3 Arms of output current, a level suited to mid-size servomotors while keeping device temperature within limits. Current to the motor is synthesized by an IGBT PWM method with sine-wave driving, which helps reduce torque ripple and audible noise compared with six-step inverters. Heat produced by the power stage is dissipated by natural cooling, eliminating the need for forced-air ducts in smaller enclosures. If a short-duration overload occurs, an internal comparator trips at 40 A to protect the transistors and cabling from damage.
For rapid acceleration events, the amplifier supplies up to 18.3 Ao-p of momentary current, enabling high torque bursts without exceeding semiconductor limits. An overspeed monitor disconnects the drive at 6000 rpm, helping prevent mechanical damage on lightly loaded axes. DC bus voltage is supervised, and the drive shuts down when the bus exceeds 400 VDC or falls below 190 VDC to protect the motor and control electronics from line surges or brownouts. With a continuous mechanical power capability of 750 W, the unit is suitable for machines that need moderate throughput in a compact control cabinet.
