KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW Bosch Rexroth Indramat
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MPN: R911321338
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The Bosch Rexroth Indramat KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW is a motor-integrated servo drive that belongs to the KSM Motor Integrated Servo Drives series. It has a hybrid connector, supports SERCOS 2 (RS422) communication, and operates with a supply voltage of DC 750 V. The servo drive features Hiperface multi-turn absolute optical encoder technology with 128 signal periods and is cooled by natural convection.
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Product Description:
The KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW is a motor-integrated servo drive manufactured by Bosch Rexroth Indramat in the KSM Motor Integrated Servo Drives series. It combines a synchronous servomotor, power electronics, and a fieldbus interface in one enclosure, allowing decentralized mounting directly on the machine frame. Because the drive electronics are located with the motor, the unit reduces cabinet heat load and shortens cable runs between the controller and the axis. It is intended for servo axes where local installation helps free cabinet space and keeps motor and feedback connections short. The combined design keeps the drive package close to the load, which supports responsive axis behavior in distributed automation layouts.
Its power stage is supplied from a shared DC bus rated at DC 750 V, so the module uses DC wiring and can return regenerative energy to the link during deceleration. Motion and auxiliary circuits pass through a single Hybrid Connector, which combines power, signal, and safety conductors in one plug for a simpler connection layout. This integrated connection approach can reduce the number of separate cables routed along moving machine sections. Heat is removed by natural convection, eliminating the need for fans and avoiding additional moving cooling parts. Rotor feedback is provided by a Hiperface optical encoder with 128 signal periods per revolution, giving fine interpolation for smooth velocity control and stable positioning at low speed.
The feedback system uses multi-turn absolute capability, so the drive retains position information through power cycles and does not require homing after shutdowns. Absolute feedback is useful on axes that must restart from a known mechanical position after planned stops or brief power interruptions. Communication with the control system uses the SERCOS 2 (RS422) interface for deterministic exchange of torque, velocity, and diagnostic data. The output uses a plain shaft, which simplifies coupling to gearboxes or belt pulleys in matched drive trains. The housing follows Design Version 2, identifying the second design version of this platform.
Frequently Asked Questions about KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW:
Q: What type of connection does the KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW support?
A: The KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW uses a hybrid connector for its electrical connections.
Q: What is the supply voltage requirement for the KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW?
A: This servo drive supports a supply voltage of DC 750 V.
Q: How is the KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW cooled?
A: Cooling for this model is achieved through natural convection, eliminating the need for forced air or external fans.
Q: What type and resolution of encoder is provided on the KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW?
A: The encoder has a resolution of 128 signal periods and uses optical technology for multi-turn absolute positioning.
Q: What shaft type and seal does the KSM01.2B-071C-35N-M1-HG0-SE-NN-D7-NN-FW use?
A: This model features a plain shaft design with a shaft seal for added protection.
