KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW Bosch Rexroth Indramat
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MPN: R911320782
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The Bosch Rexroth Indramat KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW is part of the KSM Motor Integrated Servo Drives series and uses a hybrid connector with natural convection cooling. This motor-integrated servo drive features a Hiperface optical multi-turn absolute encoder with 128 signal periods and operates with a supply voltage of DC 750 V. It is equipped with an electrically released holding brake at 24 V DC and communicates using the SERCOS 2 protocol.
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Product Description:
The KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW is a member of the KSM Motor Integrated Servo Drives series manufactured by Bosch Rexroth Indramat. This servo-drive package integrates motor, power stage, and communications hardware so an axis can be installed close to the machine bed with minimal cabinet wiring. In automated handling or assembly stations, it delivers decentralized position and velocity control while maintaining the programming model familiar to Rexroth controller platforms.
The drive operates from a bus supply of DC 750 V and matches machinery with the compact 041 frame. Heat is removed by Natural convection, eliminating the need for forced air or liquid cooling hardware. Power, signal, and brake lines are routed through a single Hybrid Connector, reducing cable runs and commissioning time. Rotor position is reported via a Hiperface optical encoder that provides 128 signal periods of multi-turn absolute feedback, allowing fine interpolation at the controller. Internally stored electronic nameplate data links the C-length stator, optical sensor stack, and winding to the converter, making parameter upload automatic during replacement.
For axis holding requirements the unit includes an Electrically released brake rated at DC 24 V. Command and diagnostics travel over the deterministic SERCOS 2 (RS422) interface, keeping cycle timing consistent across multiple KSM drives. Torsional load is transferred by a shaft with keyway, and a shaft seal is fitted to limit lubricant migration into the housing. The performance level is Basic, and no safety technology is embedded, so external safety relays must interrupt the DC link when required. Mechanical details follow the Standard design option, version 2 build, while the stator’s electrical characteristics are defined by winding code 42. These features let the drive satisfy general-purpose motion tasks without additional cooling or cabinet space.
Frequently Asked Questions about KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW:
Q: How is the KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW servo drive cooled?
A: The KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW is cooled by natural convection and does not require external fans or forced cooling systems.
Q: What type of encoder and resolution does the KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW use?
A: This model features a Hiperface multi-turn absolute encoder with optical technology and an encoder resolution of 128 signal periods.
Q: What is the supply voltage requirement for the KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW?
A: The KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW operates with a DC supply voltage of 750 V.
Q: Does the KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW have a holding brake and what is its voltage?
A: This model includes an electrically released holding brake that operates at DC 24 V.
Q: What type of connection interface does the KSM01.2B-041C-42N-M1-HP2-SE-NN-D7-NN-FW use?
A: A hybrid connector is provided as the connection type for this servo drive.
