Introduction to DANAHER MMC-SD-0.5-230-D
Product Description
The DANAHER MMC-SD-0.5-230-D is a compact, high-efficiency servo motor designed for precision motion control applications in industrial automation. Developed by Danaher Motion (now part of Fortive Corporation), this synchronous servo motor integrates a high-torque rotor design with a built-in encoder, making it ideal for applications requiring tight speed and position regulation, such as packaging machinery, medical equipment, robotic arms, and semiconductor handling systems.
Featuring a durable aluminum housing and Class F insulation, the MMC-SD-0.5-230-D is engineered to operate reliably in harsh industrial environments with temperature fluctuations and moderate vibration. Its 0.5kW power rating and 230V AC input make it compatible with standard industrial power systems, while the “D” suffix indicates a high-resolution encoder option for enhanced feedback accuracy. The motor’s low inertia design enables rapid acceleration and deceleration, supporting dynamic motion profiles critical for high-performance automation.
Technical Parameters
- Power Rating: 0.5kW (0.67 hp) continuous
- Voltage Rating: 230V AC (three-phase)
- Current Rating: 2.8A RMS (continuous); 8.4A RMS (peak, 3 seconds)
- Speed Rating: 3000 RPM (continuous); 4500 RPM (peak)
- Torque Output:
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- Continuous: 1.6 Nm
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- Peak: 4.8 Nm
- Encoder Type: 17-bit absolute encoder (integrated)
- Feedback Signals: SSI (Serial Synchronous Interface) for position data
- Motor Type: Brushless permanent magnet synchronous motor
- Insulation Class: F (temperature rating up to 155°C)
- Protection Rating: IP65 (housing); IP54 (connector)
- Thermal Protection: PTC thermistor (embedded in windings)
- Inertia: 0.0008 kg·m² (rotor)
- Weight: 3.2 kg
- Dimensions: 80mm diameter × 120mm length (excluding shaft)
- Shaft Configuration: 12mm diameter, keyway, with a 6mm threaded hole
- Operating Temperature: -10°C to +40°C (ambient); winding temperature ≤155°C
- Storage Temperature: -20°C to +80°C
- Humidity Resistance: 5-95% RH (non-condensing)
- Vibration Resistance: 10-2000Hz, 10g peak (IEC 60068-2-6)
Usage Methods
- Installation:
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- Mount the motor using the flange or foot brackets (M5 threaded holes), ensuring secure fixation to prevent resonance or vibration.
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- Align the motor shaft with the load (e.g., gearbox, pulley) using a coupling, maintaining concentricity within 0.1mm to avoid bearing stress.
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- Ensure the installation environment is free from dust, moisture, and corrosive substances; use a protective cover if operating in harsh conditions.
- Wiring and Connection:
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- Connect the three-phase power cables (U, V, W) to the servo drive, following polarity markings to ensure correct rotation.
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- Wire the encoder feedback cable to the drive’s encoder input, using shielded twisted-pair cable with the shield grounded at both ends to minimize noise.
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- Connect the PTC thermistor leads to the drive’s thermal protection input to enable overheating shutdown.
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- Use strain relief for all cables to prevent connector damage from tension or movement.
- Commissioning:
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- Pair the motor with a compatible servo drive (e.g., DANAHER S20660-SRS) and use MotionWorks SP software to load the motor’s parameter file.
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- Perform a rotation test at low speed to verify correct phase wiring; reverse two power leads if rotation is opposite to the desired direction.
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- Calibrate the encoder zero position using the drive’s auto-homing function to establish a reference point for position control.
- Operation and Maintenance:
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- Monitor motor temperature during operation; ensure it remains below 155°C (winding) and 70°C (housing) to prevent insulation degradation.
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- Inspect the shaft seal and bearings quarterly for signs of wear or oil leakage; replace bearings if unusual noise or play is detected.
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- Clean the motor exterior with a dry cloth; avoid using solvents that may damage the housing or labels.
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- Check electrical connections annually for tightness and corrosion, especially in humid environments.
System Introduction
The DANAHER MMC-SD-0.5-230-D functions as the actuation core in closed-loop motion control systems, integrating with three key components:
- Drive Interface: Receives power and control signals from a servo drive, which regulates current to the motor windings based on position/speed commands.
- Feedback Loop: The integrated encoder transmits real-time position data to the drive, enabling precise closed-loop control with ±0.01° accuracy.
- Mechanical Output: Converts electrical energy to rotational motion, delivering torque to the load (e.g., conveyor, robotic joint) with minimal inertia mismatch.
In a medical diagnostic equipment application, the motor drives a precision linear stage via a ball screw. The servo drive adjusts current to the motor based on encoder feedback, positioning the stage within ±0.005mm of the target. The low inertia design allows rapid scanning movements, while thermal protection prevents overheating during extended operation.
Related Models in the Series
- DANAHER MMC-SD-1.0-230-D: 1.0kW (1.34 hp) variant with 3.2 Nm continuous torque, suitable for higher-load applications like CNC routers.
- DANAHER MMC-SD-0.5-400-D: 400V AC version, optimized for three-phase industrial power grids in Europe and Asia.
- DANAHER MMC-SD-0.5-230-E: Equipped with an EtherCAT encoder for high-speed communication, ideal for synchronized multi-axis systems.
- DANAHER MMC-SD-0.5-230-L: Low-inertia model (0.0005 kg·m²) for rapid start-stop applications such as pick-and-place robots.
- DANAHER MMC-SD-0.5-230-EX: Explosion-proof version (ATEX/IECEx certified) for hazardous environments like chemical processing.
- DANAHER MMC-SD-0.5-24-D: 24V DC brushless motor, designed for battery-powered or low-voltage systems (e.g., portable automation).
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