KSM02.1B-071C-24N-S1-HG2-ET-L3-D7-NN-FW by Bosch Rexroth Indramat

The KSM02.1B-071C-24N-S1-HG2-ET-L3-D7-NN-FW is a motor-integrated servo drive built by Bosch Rexroth Indramat for the KSM Motor Integrated Servo Drives series. It pairs drive electronics with a permanent-magnet synchronous motor, allowing motion control to be mounted directly on moving machine elements while reducing cabinet wiring. This design supports decentralized industrial automation tasks such as pick-and-place gantries, packaging stations, and light material-handling axes that require precise velocity and position regulation. Integrating the control electronics and motor within one assembly also reduces the number of separate components installed around each axis.

The drive draws power from a shared 750 V DC bus and removes heat through natural convection, eliminating the need for forced ventilation hardware. Position feedback is generated by an optical encoder that resolves the rotor angle into 128 signal periods, and the resulting data are transmitted over the Hiperface interface to the embedded control board. Motion commands reach the device through a Multi-Ethernet master port that supports several real-time fieldbus protocols. An electrically released brake rated for 24 V DC secures the shaft when power is removed, making it suitable for vertical loads. The assembly uses the standard design option, design version 1, and the basic performance level.

Functional safety is provided by Safe Torque Off (STO), which allows emergency stopping without external contactors. Power, network, and brake lines converge in a single hybrid connector, simplifying cable routing on modular machines. The mechanical assembly uses frame size 071 with motor length code C, providing inertia characteristics suitable for midrange loads. A plain shaft transmits torque, while a shaft seal helps prevent lubricants and dust from entering the housing. The internal electronics belong to Series 2. The electromagnetic stack uses winding code 24, which establishes the current and voltage characteristics for the motor.