KSM02.1B-061C-35N-M1-HG0-ET-L3-D7-TO-FW by Bosch Rexroth Indramat

The KSM02.1B-061C-35N-M1-HG0-ET-L3-D7-TO-FW is a motor-integrated servo drive from Bosch Rexroth Indramat that belongs to the KSM Motor Integrated Servo Drives series. By combining a servo motor and its power electronics in a single housing, it supports decentralized axis control on machines where panel space is limited. This basic-performance device is intended for pick-and-place units, packaging machinery, and material transport stations that require precise torque generation without the wiring complexity of cabinet-mounted drives.

Power for the drive section is supplied from a DC bus rated at DC 750 V, so it can be connected directly to a common high-voltage link shared by multiple axes. Command and diagnostic data reach the unit through a Multi-Ethernet interface that can switch among EtherNet/IP, PROFINET, and EtherCAT without hardware changes. Rotor position is recorded by an optical feedback package that delivers 128 signal periods per revolution through the Hiperface protocol. The optical sensor system provides immunity to magnetic interference. Position tracking is multi-turn absolute, so the shaft angle is retained after power loss. Cooling relies on natural convection, eliminating forced-air components.

Functional safety is handled by the integrated Safe Torque Off (STO) circuit, which cuts inverter gating energy when an emergency input is asserted. All power, signal, and auxiliary conductors pass through a single hybrid connector, shortening installation time and reducing wiring errors. A shaft seal at the front end restricts dust or fluid ingress during washdown cleaning. The motor uses size code 061, winding code 35, and frame length C. Its plain shaft supports backlash-free clamp couplings. The unit is design version 1 and has an output coupling suitable for decentralized wiring.