KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW Bosch Rexroth Indramat
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MPN: R911369140
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The Bosch Rexroth Indramat KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW is a motor-integrated servo drive from the KSM Motor Integrated Servo Drives series. It features a shaft with keyway, optical single-turn Hiperface encoder with 128 signal periods, and a supply voltage of DC 750 V. This standard design uses natural convection cooling, includes Safe Torque Off safety technology, and supports Multi-Ethernet communication.
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Product Description:
The KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW is a motor-integrated servo drive produced by Bosch Rexroth Indramat within the KSM Motor Integrated Servo Drives series. By combining a synchronous servo motor with decentralized drive electronics, it mounts directly on machinery and handles closed-loop motion control without a separate cabinet drive. This arrangement shortens cable runs and helps reduce the amount of external hardware needed around the axis. Placing the inverter at the motor also helps simplify machine layouts where cabinet space is limited or where moving axes are distributed across a large frame.
The unit operates from a DC 750 V shared power bus, enabling regenerative energy exchange among axes. All power, signal, and safety conductors enter through a single Hybrid Connector, which reduces wiring complexity at the machine. Command and diagnostic traffic use a Multi-Ethernet port, so controllers based on EtherNet/IP, PROFINET, or EtherCAT can communicate without additional gateways. Position feedback is supplied by a Hiperface optical encoder with 128 signal periods per mechanical revolution, providing the control loop with accurate rotor position data. This feedback supports stable speed regulation during acceleration and load changes. The encoder is single-turn, which suits applications that reference the axis at startup rather than relying on multi-turn absolute tracking.
Heat is removed solely by natural convection, eliminating fan wear and allowing installation in sealed cabinets. Integrated safety complies with Safe Torque Off (STO); when activated, it de-energizes the power stage while maintaining the DC link. Because torque is removed electrically rather than mechanically, this safety function does not replace a brake for suspended or vertical loads. Mechanical power exits through a shaft with a keyway, and a shaft seal is present to help limit fluid ingress. The motor has a frame size of 071 with length code C and winding code 24. The unit uses the standard design option in version 1 and comes without a holding brake, so load holding must be provided externally or by drive torque.
Frequently Asked Questions about KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW:
Q: What type of connection does the KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW servo drive use?
A: The KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW uses a hybrid connector for its main electrical connection.
Q: What cooling method is used by the KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW?
A: This motor-integrated servo drive is cooled by natural convection, functioning efficiently without external fans.
Q: What is the supply voltage required for this servo drive?
A: The KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW operates at a supply voltage of DC 750 V.
Q: What type of shaft and sealing does the device have?
A: This servo drive features a shaft with keyway and includes a shaft seal for added protection.
Q: What safety function is included with the KSM02.1B-071C-24N-S1-HP0-ET-L3-D7-NN-FW?
A: Safe Torque Off (STO) is the safety technology integrated in this model.
