KSM02.1B-061C-61N-M1-HG2-ET-L3-D7-TO-FW by Bosch Rexroth Indramat

The KSM02.1B-061C-61N-M1-HG2-ET-L3-D7-TO-FW is a motor-integrated servo drive from Bosch Rexroth Indramat's KSM Motor Integrated Servo Drives series. It merges a compact synchronous motor, power electronics, and feedback package into one enclosure so it can be mounted directly on machinery without a control cabinet. This arrangement shortens cable runs and provides decentralized motion control for packaging lines, pick-and-place modules, and light assembly stations where space and wiring complexity must be minimized.

The drive operates from a bus link rated at DC 750 V, allowing it to share a high-voltage DC supply with other IndraDrive components. Heat is dissipated through natural convection, avoiding fans and keeping maintenance low in dusty environments. Command and diagnostic data are exchanged over the Multi-Ethernet master interface, which supports EtherNet/IP, PROFINET, EtherCAT, or Sercos III according to the selected configuration. Position feedback is handled by a Hiperface optical encoder that delivers 128 signal periods per mechanical turn, giving the control loop the resolution required for precise velocity and interpolation tasks. A hybrid connector combines power, fieldbus, and I/O connections in a single plug to streamline installation.

Functional safety is built in through Safe Torque Off (STO), which disables the power stage without disrupting network communication during emergency stops. The electrically released holding brake engages whenever its coil is disconnected and is powered by DC 24 V from the machine's control supply. The motor has a frame size of 061, and winding code 61 matches its torque curve to moderate-inertia loads. The plain shaft includes a seal that limits fluid ingress while allowing direct connection to compatible couplings. Its integrated brake can retain the connected load after the drive removes motor torque, provided that the load remains within the brake's permitted holding capacity.