R911270013 (KDA 3.3-100-3-L00-W1)

KDA Spindle Drives

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The R911270013 (KDA 3.3-100-3-L00-W1) is a Bosch Rexroth drive control system intended for speed and position regulation of frameless and asynchronous motors, with specific compatibility for main spindle and motion control applications. It provides various motor adjustment options and multiple operating modes via a built-in display and input unit, supporting configuration of machine parameters through multi-range parameter blocks. Communication is supported through speed and position command value interfaces, a Sercos interface for real-time torque, speed, and position data, and a 10 V speed command interface. Diagnostic and parameter management are accessible via an NC terminal interface. The device allows spindle positioning with a resolution up to 1/2,000,000 of a revolution, suitable for C-axis operations. Its continuous current is 70 A, rated current is 100 A, rated supply voltage is 300 V, and rated connection voltage for the attached blower is AC 50–60 Hz. Operational temperature range is 5°C to 45°C.