KSM02.1B-076C-35N-M3-HG2-ET-L3-D7-NN-FW by Bosch Rexroth Indramat

The KSM02.1B-076C-35N-M3-HG2-ET-L3-D7-NN-FW is a motor-integrated servo drive produced by Bosch Rexroth Indramat for the KSM Motor Integrated Servo Drives series. It combines a permanent-magnet synchronous motor, power stage, and control electronics inside a single enclosure, allowing the unit to be mounted close to the axis it controls. By eliminating separate drive cabinets and long shielded motor leads, the product simplifies installation for packaging machines, material-handling gantries, and light assembly stations while supporting a decentralized control architecture.

The drive connects to a shared DC bus at DC 750 V, allowing multiple axes to draw energy from one supply module. Power, safety, and communication lines are routed through a single hybrid connector, reducing cable bulk. Heat is removed by natural convection, allowing operation without fans or liquid cooling circuits. The motor has a size of 076 and a length code of C, while winding code 35 indicates its electromagnetic configuration. The onboard inverter uses the standard design option, Version 1, and the Basic performance level for general-purpose motion profiles. Rotor position is measured with a capacitive Hiperface encoder that delivers 16 signal periods per revolution. It provides multi-turn absolute feedback, enabling accurate commutation and position capture over multiple shaft revolutions without backup batteries.

An electrically released holding brake engages when the 24 V control supply is removed, preventing load drift on vertical axes. Functional safety is provided through Safe Torque Off (STO), which disables gate signals to the power stage to produce a zero-torque condition without completely powering down the DC bus. The master communication interface supports Multi-Ethernet protocols, including EtherNet/IP, EtherCAT, PROFINET, and SERCOS III. The motor has a plain shaft with a shaft seal that helps prevent lubricant ingress. The unit is Series 2 within the KSM platform.