CSB02.1B-ET-EC-PB-NN-DA-NN-FW Bosch Rexroth Indramat
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MPN: R911346842
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The Bosch Rexroth Indramat CSB02.1B-ET-EC-PB-NN-DA-NN-FW is part of the CSB Drive Controllers series and operates with a supply voltage of 24 V DC. It features Multi-Ethernet communication, a Multi-Encoder interface, and supports analog output and voltage ranges up to ±10 V. The controller includes both digital and analog I/O extension and uses an Ethernet 100Base-TX connection through an 8-pin RJ-45 port.
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Product Description:
The CSB02.1B-ET-EC-PB-NN-DA-NN-FW is a drive controller produced by Bosch Rexroth Indramat for the CSB Drive Controllers series. It operates as the command and power stage between a plant PLC and servo motors, interpreting motion commands, closing feedback loops, and switching the required phase currents. By combining communication, feedback, and I/O processing in one housing, the unit streamlines axis control tasks in conveyor lines, pick-and-place gantries, and metal-cutting machinery. Its architecture supports modular option cards so users can scale interfaces to specific machine requirements.
Control electronics are powered from a DC 24 V supply, keeping the logic stage isolated from high-power motor outputs. The analog input block accepts process references of 0–20 mA or ±10 V, while a matching ±10 V output channel can retransmit scaled setpoints to external equipment. Each programmable digital output can deliver up to 500 mA, allowing direct actuation of relays or indicator lamps without auxiliary drivers. Network access is handled by the Multi-Ethernet stack, which supports real-time protocols over a 100Base-TX physical layer terminated on an RJ-45 (8-pin) connector. Additional digital and analog points can be added through the I/O extension slot to suit expanded field wiring.
The optional ET, EC, and PB interface cards draw only 2.7 W, 1.1 W, and 1.1 W of internal power, so thermal loading inside the cabinet remains low even with multiple protocols installed. The EC card processes resolver signals up to 400 kHz in sine mode or 1000 kHz in square-wave mode, preserving position accuracy at high motor speeds. A Multi-Encoder port allows simultaneous connection of incremental and absolute transducers, while the PB module links to legacy controllers through the EIA-RS485 Profibus standard. The available back-plane capacity supports these analog, digital, and networked connections at the same time.
Frequently Asked Questions about CSB02.1B-ET-EC-PB-NN-DA-NN-FW:
Q: What Ethernet communication standard does the CSB02.1B-ET-EC-PB-NN-DA-NN-FW use?
A: The CSB02.1B-ET-EC-PB-NN-DA-NN-FW supports multi-Ethernet communication with 100Base-TX connectivity.
Q: What is the analog voltage range available on the CSB02.1B-ET-EC-PB-NN-DA-NN-FW?
A: This controller features an analog voltage range of ±10 V for signal input and output.
Q: What is the analog current range supported by this drive controller?
A: It offers a maximum analog current range of 0-20 mA for precise analog signal handling.
Q: What digital output current is provided by the CSB02.1B-ET-EC-PB-NN-DA-NN-FW?
A: The digital output current of this model is rated at 500 mA.
Q: What supply voltage does the CSB02.1B-ET-EC-PB-NN-DA-NN-FW require?
A: Its supply voltage requirement is DC 24 V, ensuring compatibility with standard industrial power sources.
