KSM02.1B-041C-42N-M3-HG2-ET-L3-D7-TO-FW by Bosch Rexroth Indramat

The KSM02.1B-041C-42N-M3-HG2-ET-L3-D7-TO-FW is a motor-integrated servo drive built by Bosch Rexroth Indramat for the KSM Motor Integrated Servo Drives series. By combining drive electronics with a synchronous motor in one housing, the unit reduces cabinet wiring while providing axis control for packaging stations, handling robots, and general automation lines. The model has a basic performance level, motor size 041, and motor length C. It belongs to Series 2 of the platform.

Electrical integration is based on a hybrid connector, which carries the power, encoder, and safety lines through one plug. The power stage accepts DC 750 V from a common supply module, allowing several drives to share the same direct-current link. Heat is removed by natural convection, so the housing does not require fans or liquid-cooling connections. Position feedback reaches the controller over a Hiperface link. Internally, a capacitive sensor delivers 16 signal periods per revolution and stores multi-turn absolute position data, eliminating the need for homing cycles. Design Version 1 indicates the first mechanical release, while winding code 42 identifies the stator arrangement used for this voltage class. A shaft seal helps prevent contaminants from entering around the output shaft.

For load holding, the drive incorporates an electrically released holding brake that clamps the rotor whenever control power is absent. The brake is energized by a 24 VDC supply routed through the combined connection. Motion disable is handled by Safe Torque Off (STO), which stops inverter gating without disconnecting incoming power. Network traffic and controller connectivity are routed through the Multi-Ethernet system, which supports SERCOS III, EtherNet/IP, PROFINET, and EtherCAT communication. This network interface allows the integrated drive to exchange commands, feedback data, and operating status with a higher-level controller. Mechanical power is transmitted through a plain shaft, allowing connection to a compatible coupling or driven assembly.