CSB02.1B-ET-EC-EM-L3-DA-NN-FW Bosch Rexroth Indramat
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MPN: R911374449
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The Bosch Rexroth Indramat CSB02.1B-ET-EC-EM-L3-DA-NN-FW is a drive controller in the CSB Drive Controllers series. It features multi-Ethernet communication, a standard control panel, and supports 2 analog I/O along with 6 digital inputs, 6 digital outputs, and 2 general I/O. The controller includes a multi-encoder interface and provides STO safety technology.
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Product Description:
The CSB02.1B-ET-EC-EM-L3-DA-NN-FW is a single-axis drive controller produced by Bosch Rexroth Indramat for the CSB Drive Controllers series. It blends power electronics, real-time network access, and feedback processing so a servo motor can follow programmed motion profiles in automated assembly, packaging, and material-handling stations. By integrating local I/O, encoder support, and safety circuitry inside one housing, the unit replaces multiple discrete cards and shortens cabinet wiring while maintaining deterministic performance across coordinated multi-axis installations.
Electrical and networking resources are consolidated in this controller’s base electronics. Its communication backbone is Multi-Ethernet, allowing the same hardware to join EtherNet/IP, PROFINET, or SERCOS III networks without option cards. Local process signals are captured through 2 analog inputs and 2 analog outputs and 6 digital inputs, 6 digital outputs, and 2 digital I/O points, so sensors and actuators can be wired directly to the device. Each digital output can source up to 500 mA, which is adequate for solenoid valves or indicator lamps, while the analog and logic circuitry draw only 17 W of base power. Motion feedback is handled by the multi-encoder interface and an additional emulation path that can retransmit RS422, single-ended, or SSI formats to downstream drives.
Machine safety and external wiring are addressed in the remaining features. The integrated STO (Safe Torque Off) channel disconnects gate signals to the power stage so motor torque drops to zero without affecting fieldbus data. Network links are presented on a shielded RJ-45 (8-pin) jack that supports 100Base-TX transmission rates, and discrete loads must present at least 2 kOhm of resistance to meet the controller’s minimum ohmic load requirement. A D-Sub 15-pin male port routes encoder emulation, while the digital and analog I/O extension and the extended scope interface equipment expand diagnostic capture without altering the standard control panel.
