HEIDENHAIN MC422B | Multi-axis Motion Controller

Description

Technical Specifications

Key Features and Advantages

The **MC422B** delivers nanoscale motion precision with its adaptive feedforward control and real-time vibration compensation. Its multi-core processor executes complex trajectory calculations within 500µs cycle times, enabling synchronized control of rotary and linear axes in high-dynamic applications. The integrated EnDat 2.2 interface supports absolute encoders with 28-bit resolution for closed-loop accuracy across 4 axes.

Advanced thermal drift compensation maintains positioning stability during prolonged operation, while the dual EtherCAT ports enable daisy-chained network topologies. The controller’s Safe Motion functionality (SIL 2) ensures safe torque limitation and standstill monitoring. For rapid commissioning, the **MC422B** includes auto-tuning algorithms that optimize servo parameters based on mechanical load characteristics.

HEIDENHAIN MC422B

Application Areas

In aerospace manufacturing, the **MC422B** controls 5-axis grinding machines for turbine blade finishing with 0.1µm surface consistency. Semiconductor wafer steppers utilize its sub-micron interpolation for photolithography alignment stages. Medical device assembly lines leverage its collision avoidance algorithms for delicate component handling, while telescope mounting systems rely on its low-speed jitter suppression for precise celestial tracking.

Related Products

**MC432B**: 6-axis version with enhanced processing power. **LC200**: Linear encoder system optimized for **MC422B** integration. **RCN 8000**: Rotary encoder with EnDat 2.2 interface. **TNC 640**: CNC control panel compatible with **MC422B**. **EIB 750**: EtherCAT expansion module for I/O scaling.

Installation and Maintenance

Installation preparation: Ensure shielded cabling for encoder signals with <1% cable cross-section for ground connections. Maintain 50mm clearance around the **MC422B** for airflow. Verify firmware compatibility with connected drives before power-up.

Maintenance recommendations: Perform ball screw backlash compensation annually via the controller’s auto-calibration routine. Clean heat sinks biannually using non-conductive compressed air. Update motion parameters after mechanical overhauls using HEIDENHAIN’s TNCremo software.

Product Assurance

HEIDENHAIN’s **MC422B** undergoes 1,000-hour thermal cycling and EMI susceptibility testing per IEC 61000 standards. The 3-year warranty covers electronic components, with lifetime support for firmware updates. Global service centers provide axis alignment verification using laser interferometry, ensuring long-term positioning accuracy.

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