KSM02.1B-061C-35N-S3-HP0-ET-L3-D7-NN-FW by Bosch Rexroth Indramat

The KSM02.1B-061C-35N-S3-HP0-ET-L3-D7-NN-FW is a motor-integrated servo drive produced by Bosch Rexroth Indramat within the KSM Motor Integrated Servo Drives series. By housing a permanent-magnet motor and servo inverter in one enclosure, it simplifies decentralized motion control for packaging, handling, and assembly axes. Mounted close to the load, it draws power from a shared DC bus and applies precisely modulated torque directly at the machine shaft. This arrangement reduces cabinet wiring while supporting quick responses to changing motion commands in automated equipment.

The unit accepts a bus voltage of DC 750 V, allowing several axes to share a common regenerative supply. Power, control, and safety conductors converge in a hybrid connector, reducing the required cable count to one. Heat leaves the housing through natural convection, which suits moving installations where fans are impractical. Commands and diagnostic data are exchanged through Multi-Ethernet, which supports Sercos, EtherNet/IP, and PROFINET without hardware changes. The integrated safety function provides Safe Torque Off (STO), which prevents the drive from producing motor torque when activated. The motor has winding code 35, a basic performance level, and a standard design. Its 061 frame and C length establish the physical format, while the absence of a holding brake makes external load retention necessary when power is removed.

The position loop uses a Hiperface sensor that delivers 16 signal periods per revolution. The sensor uses a capacitive pickup that resists interference from dust and magnetic fields. It provides single-turn position feedback, allowing the drive to determine the rotor angle within one mechanical revolution. Torque reaches the load through a shaft with a keyway, providing positive engagement with a compatible coupling or driven component. A shaft seal helps prevent lubricant and contaminants from reaching the bearing area. The control platform is Series 2 and uses version 1 electronics. Its standard design omits special mechanical options while retaining the integrated communication and safety functions required for decentralized motion control.