CSB02.1B-ET-EC-PB-L3-EM-NN-FW Bosch Rexroth Indramat
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MPN: R911370273
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The Bosch Rexroth Indramat CSB02.1B-ET-EC-PB-L3-EM-NN-FW is part of the CSB Drive Controllers series. It supports Multi-Ethernet communication with compatibility for Ethernet standards like IEEE 802.3 and fieldbus interface via PROFIBUS. This controller features a multi-encoder interface, STO safety function, and encoder emulation output.
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Product Description:
The CSB02.1B-ET-EC-PB-L3-EM-NN-FW is a drive controller produced by Bosch Rexroth Indramat within the CSB Drive Controllers series. It is designed to regulate servo or spindle axes in industrial automation lines, coordinating motion profiles and feedback signals between motors and higher-level PLCs. By housing communication, encoder processing, and safety circuits in a single rack-mountable unit, the controller simplifies cabinet wiring while maintaining deterministic control over connected drives.
A key feature is its Multi-Ethernet communication core, which can be configured for Sercos III, EtherCAT, EtherNet/IP, or PROFINET IO without hardware changes. All Ethernet channels comply with the IEEE 802.3 physical layer, allowing standard cabling and diagnostic tools. For legacy installations, the integrated fieldbus interface supports PROFIBUS, and wiring is completed through a shielded D-Sub 9-pin female connector so no external gateways are needed. Encoder feedback is handled by a multi-encoder interface that supplies 12 V and 5 V rails, each rated at 500 mA, providing adequate current for SSI, EnDat, or resolver feedback heads. When emulated feedback is required, the unit delivers differential A/B/Z signals through a D-Sub 15-pin male port, and the outgoing lines are limited to an effective cable capacitance of 60 pF/m to preserve signal integrity over long runs.
Drive-integrated functional safety is provided by the STO circuit, which removes energy from the power stage without mechanical contactors. The enable channel accepts control logic that meets IEC 61131, Type 2 requirements, so it can be wired directly to compliant safety PLC outputs. Once a stop command is asserted, the circuit can source up to 350 mA toward diagnostics or status LEDs, allowing field verification of the shutdown state.
Frequently Asked Questions about CSB02.1B-ET-EC-PB-L3-EM-NN-FW:
Q: Which Ethernet-based protocols are supported by the CSB02.1B-ET-EC-PB-L3-EM-NN-FW?
A: The CSB02.1B-ET-EC-PB-L3-EM-NN-FW supports multi-ethernet communication including sercos III, EtherCAT, EtherNet/IP, and PROFINET IO.
Q: What type of encoder interface does the CSB02.1B-ET-EC-PB-L3-EM-NN-FW use?
A: This drive controller features a multi-encoder interface suitable for various encoder types, providing versatility in feedback devices.
Q: What type of connector is used for the PROFIBUS interface on the CSB02.1B-ET-EC-PB-L3-EM-NN-FW?
A: The PROFIBUS interface on this model uses a D-Sub, 9-pin, female connector for fieldbus communications.
Q: What safety function is integrated in the CSB02.1B-ET-EC-PB-L3-EM-NN-FW drive controller?
A: This model includes the STO (Safe Torque Off) safety function with an input type that complies with IEC 61131, Type 2.
Q: What is the maximum encoder current output at 12 V and 5 V for the CSB02.1B-ET-EC-PB-L3-EM-NN-FW?
A: The encoder supply supports both 12 V and 5 V with a maximum current of 500 mA for each voltage.
