DMD01.1-W0424N Bosch Rexroth Indramat
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The Bosch Rexroth Indramat DMD01.1-W0424N is a digital servo drive controller from the DMD Servo Drives series. It features an RS232C communication interface, supports both 1- and 3-phase 200 to 230V power supply, and has a rated output of 400 W. The drive uses an IGBT PWM control method with sine-wave driving and is equipped with an incremental encoder for feedback.
Internal Product Review
The DMD01.1-W0424N is a digital servo drive controller with IGBT PWM sine-wave driving for smooth and consistent motion control. RS232C communication and incremental encoder feedback support straightforward integration and stable response tuning. A 400 W rated output and an available dynamic brake function make the controller a strong choice for disciplined servo positioning.
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Product Description:
Bosch Rexroth Indramat builds the DMD01.1-W0424N for use within the DMD Servo Drives series. Classified as a digital servo drive controller, it conditions line power and provides regulated three-phase output for compact 400 W servo motors in assembly equipment, pick-and-place axes, and other automation systems. By combining a semiconductor inverter with signal processing and protective logic, the unit serves as the active interface between the motion controller and the permanent-magnet motor. This arrangement allows velocity and position control loops to operate within demanding industrial machines.
Communication with supervisory PLCs is handled through an RS-232C port that supports parameter downloads and real-time monitoring. When supplied from a 200 to 230 V, 50/60 Hz single-phase or three-phase line, the drive draws a continuous input current of 1.8 A and converts it into a regulated phase current of 2.5 Arms at the motor terminals. Pulse control uses an IGBT PWM method with sine-wave drive, which helps keep current harmonics low across the speed range. For rapid acceleration, the power stage can deliver a momentary maximum current of 10.5 A o-p. An incremental encoder with 2,500 pulses per revolution provides the feedback needed to keep the mechanical load synchronized with commanded motion.
Heat is removed solely through natural cooling, so the cabinet must provide enough clearance for free convection around the heat sink. Fault protection uses several operating thresholds. An overcurrent trip activates at 20 A, while overspeed protection disengages the inverter above 6,000 rpm. An overvoltage cutoff isolates DC-link energy at 400 VDC, and a separate undervoltage limit of 190 VDC protects the control electronics during line voltage dips. The drive software can also activate a dynamic brake resistor to shorten deceleration times. Frequency response remains at 300 Hz or higher when the motor and load inertias are matched. The servo control loop works with the design 1, line 1 architecture to provide responsive motion control.
