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CSB02.1B-ET-EC-EC-L3-NN-NN-NW Bosch Rexroth Indramat

MPN: R911396988

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The Bosch Rexroth Indramat CSB02.1B-ET-EC-EC-L3-NN-NN-NW is a drive controller from the CSB Drive Controllers series that provides 11 digital inputs, 5 configurable digital inputs/outputs, and 2 analog outputs. It features Multi-Ethernet communication, supports Multi-Encoder interfaces, and offers safe torque off safety technology. The controller operates with a 24 VDC supply voltage and includes three optional slots.

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Product Description:

The CSB02.1B-ET-EC-EC-L3-NN-NN-NW drive controller is produced by Bosch Rexroth Indramat within the CSB Drive Controllers series. Installed alongside power inverters, it interprets motion commands, conditions feedback, and synchronizes multiple axes so that servo motors meet commanded speed and torque profiles in packaging, assembly, and material-handling equipment. Acting as the system’s logic front end, it receives low-voltage power, hosts option cards, and relays status data to supervisory PLCs that coordinate the wider automation cell.

This controller is powered by 24 VDC logic supply rails and offers 11 digital inputs for limit switches, sensors, or PLC flags. Two of its signal channels are analog, and the 2 analog outputs can source ±10 V speed or torque references to legacy drives. Network traffic is carried over a Multi-Ethernet interface that can be configured for EtherNet/IP, PROFINET, EtherCAT, or SERCOS III. Five configurable DIO lines support flexible handshaking, while each digital output can source 500 mA for relay coils or indicator lamps. The unit provides two probe inputs for sub-microsecond position latching, and the embedded Safe Torque Off circuit removes drive energy without external contactors to satisfy safety standards.

Internal expansion is handled through 3 optional slots, and ET, two EC, and L3 plug-in cards occupy these bays. Each EC module draws 1.1 W, the ET communication card requires 2.7 W, and the L3 I/O module adds 1.0 W to the logic budget. Encoder supply rails deliver 500 mA at 12 V for resolvers or absolute transducers, while a second rail sources 500 mA at 5 V for incremental encoders. Dual Multi-Encoder ports accept EnDat, Hiperface, or SSI feedback without additional adapters, which simplifies wiring.

12 V Encoder Current
500 mA
5 V Encoder Current
500 mA
Analog Outputs
2
Communication
Multi-Ethernet
Configurable Dio
5
Digital Inputs
11
Digital Output Current
500 mA
Each Ec Module Power
1.1 W
Encoder Interface 1
Multi-Encoder
Encoder Interface 2
Multi-Encoder
Et Module Power
2.7 W
L3 Module Power
1.0 W
Optional Slots
3
Probe Inputs
2
Safety Technology
Safe Torque Off
Supply Voltage
24 VDC
  • CSB021BETECECL3NNNNNW
  • CSB02 1B ET EC EC L3 NN NN NW
  • csb02.1b-et-ec-ec-l3-nn-nn-nw
  • CSB2.1B-ET-EC-EC-L3-NN-NN-NW

Frequently Asked Questions about CSB02.1B-ET-EC-EC-L3-NN-NN-NW:

Q: What is the required supply voltage for the CSB02.1B-ET-EC-EC-L3-NN-NN-NW drive controller?

A: The CSB02.1B-ET-EC-EC-L3-NN-NN-NW controller supports a supply voltage of 24 VDC.

Q: What type of communication interface is available on the CSB02.1B-ET-EC-EC-L3-NN-NN-NW?

A: This model features multi-Ethernet communication for flexible network connectivity.

Q: How many analog outputs does the CSB02.1B-ET-EC-EC-L3-NN-NN-NW provide?

A: It comes with two analog outputs for integration with external control devices.

Q: What safety technology is included in the CSB02.1B-ET-EC-EC-L3-NN-NN-NW?

A: The controller provides Safe Torque Off safety technology as a built-in feature.

Q: How many optional slots are available on the CSB02.1B-ET-EC-EC-L3-NN-NN-NW drive controller?

A: This unit includes three optional slots for customization with additional modules.


Internal Product Review

  • ‘‘The CSB02.1B-ET-EC-EC-L3-NN-NN-NW is a Bosch Rexroth Indramat drive controller with Multi-Ethernet communication and Safe Torque Off. Dual Multi-Encoder interfaces and a 24 VDC supply make integration straightforward in advanced motion systems. Three optional slots add welcome flexibility for scalable machine control.’’

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