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KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW Bosch Rexroth Indramat

MPN: R911337879

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The Bosch Rexroth Indramat KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW is a motor-integrated servo drive from the KSM Motor Integrated Servo Drives series. It features a hybrid connector, natural convection cooling, and a supply voltage of DC 750 V. The drive uses an optical multi-turn absolute encoder with Hiperface interface and a holding brake that operates at DC 24 V.

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Product Description:

The KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW is manufactured by Bosch Rexroth Indramat as part of the KSM Motor Integrated Servo Drives series. It is series 2, uses the standard design option, and is supplied in design version 1. A size 071 stator with length C mechanics lets the product mount directly on machines where space for a separate controller is limited. By combining the motor and drive electronics in one housing, it reduces the need for a separate cabinet-mounted amplifier and shortens cable routing at the machine. Classified at the basic performance level, this motor-integrated servo drive provides decentralized positioning and speed regulation for industrial automation tasks such as indexing tables, packaging axes, and material-handling gantries.

The drive accepts a supply of DC 750 V through a single Hybrid Connector that carries the DC bus, control, and communication conductors in one plug, which reduces wiring complexity. Heat generated by the power electronics is removed by natural convection, so no fans are required and surrounding airflow remains undisturbed. Field controllers connect through a Multi-Ethernet master protocol, allowing operation with EtherNet/IP, EtherCAT, or PROFINET without hardware changes. The output uses a keyed shaft, and a shaft seal is installed to reduce lubricant egress when the motor is mounted vertically or in dusty areas. Because the unit comes without integrated safety technology, any required safety functions must be provided externally.

Rotor position is monitored with a Hiperface optical encoder that delivers 128 signal periods per revolution and provides multi-turn absolute feedback for homing-free startups. An electrically released holding brake energized by DC 24 V helps keep the axis fixed at standstill and supports position retention during power loss. The motor has frame size 071, and its electrical characteristics correspond to Winding Code 35. These features support accurate closed-loop motion in compact decentralized axes.

Connection Type
Hybrid Connector
Cooling Type
Natural convection
Design Option
Standard
Design Version
1
Encoder Interface
Hiperface
Encoder Resolution
128 signal periods
Encoder Technology
Optical
Encoder Turn Type
Multi-turn absolute
Holding Brake
Electrically Released
Holding Brake Voltage
DC 24 V
Master Communication Protocol
Multi-Ethernet
Motor Length
C
Motor Size
071
Performance Level
Basic
Product Type
Motor-Integrated Servo Drive
Safety Technology
Without safety technology
Series
2
Shaft Seal
Yes
Shaft Type
Shaft with keyway
Supply Voltage
DC 750 V
Winding Code
35
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  • KSM2.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW

Frequently Asked Questions about KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW:

Q: What type of connection does the KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW use?

A: The KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW integrates a hybrid connector for both power and signal transmissions.

Q: What kind of holding brake is used on the KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW and at what voltage?

A: This model features an electrically released holding brake that operates at DC 24 V.

Q: Which encoder system is installed in the KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW?

A: An optical multi-turn absolute encoder with Hiperface interface and 128 signal periods is employed for precise feedback.

Q: How is the KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW servo drive cooled?

A: The KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW is cooled using natural convection, requiring no external fans.

Q: What master communication protocol is supported by the KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW?

A: This servo drive supports multi-Ethernet master communication protocol for flexible integration in automation systems.


Internal Product Review

  • ‘‘The KSM02.1B-071C-35N-M1-HP2-ET-NN-D7-NN-FW is a motor-integrated servo drive with Multi-Ethernet communication and a DC 750 V supply for efficient machine-axis control. Natural convection cooling and a hybrid connector support straightforward installation and stable operation in compact assemblies. An electrically released 24 V holding brake stands out as a practical feature for controlled stopping.’’

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