KSM02.1B-061C-35N-M1-HP0-ET-SD-D7-NN-FW by Bosch Rexroth Indramat

The KSM02.1B-061C-35N-M1-HP0-ET-SD-D7-NN-FW is a motor-integrated servo drive produced by Bosch Rexroth Indramat for the KSM Motor Integrated Servo Drives series. By merging the motor, drive electronics, and feedback hardware into one compact unit, it simplifies decentralized axis control in automated packaging lines, pick-and-place gantries, and small transfer stations. The device delivers precise torque and position regulation without the separate cabinet-mounted inverter required by traditional servo systems.

This drive operates from a nominal bus supply of DC 750 V, so it connects directly to high-voltage shared DC links in multi-axis machines. Heat generated by the internal inverter is dissipated through natural convection, eliminating forced-air components and allowing installation in tight enclosures with adequate clearance for airflow. All power, signal, and safety leads are routed through a single hybrid connector, which reduces the number of wiring points and simplifies installation. Rotor position is reported through a Hiperface interface that carries both data and power to the optical encoder. The encoder provides 128 signal periods per revolution to support smooth motion at low speeds. For networked environments, integrated communication hardware accepts commands over Multi-Ethernet, supporting EtherCAT, PROFINET, and EtherNet/IP without additional option cards.

Functional safety is provided by the drive's Safe Motion with SBC option, enabling controlled stops and speed monitoring directly inside the motor housing. The mechanical interface follows IEC conventions and uses a keyed shaft for positive engagement with a coupling or gearbox. The motor has a frame size of 061, while winding code 35 identifies its electromagnetic configuration. A shaft seal helps prevent oil and dust from entering around the output shaft. The multi-turn absolute optical encoder retains position information across power cycles, reducing the need for a new reference movement after startup. The unit is supplied without a holding brake, so stationary load retention must be provided by drive torque or an external mechanical device when required.