CDB01.1C-S3-ENS-EN1-NNN-NNN-S2-S-NN-FW Bosch Rexroth Indramat
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MPN: R911341217
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The Bosch Rexroth Indramat CDB01.1C-S3-ENS-EN1-NNN-NNN-S2-S-NN-FW belongs to the CDB Control Units series and features SERCOS III control communication and Ethernet compatibility with 100Base-TX. It has a base power consumption of 9 watts and a 6 amp inrush current. The unit provides Safe Motion safety technology and uses an RJ-45 8-pin connector for S3 and a 9-pin D-Sub female connector for Safe Motion.
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Product Description:
The CDB01.1C-S3-ENS-EN1-NNN-NNN-S2-S-NN-FW is a control unit developed by Bosch Rexroth Indramat for the CDB Control Units series. Installed inside an IndraDrive inverter cabinet, this board coordinates feedback, power-stage gating, and fieldbus data so a servo axis can be integrated into automated machinery without external processors. It bridges the drive electronics to higher-level PLCs, giving deterministic motion commands and receiving status information for safety or diagnostics within industrial automation networks.
The card’s base logic draws only 9 W, which minimizes cabinet heat and power-supply sizing. All cyclic command and status traffic passes through the SERCOS III master interface, allowing real-time synchronization over fiber or copper rings. The on-board analog enhancement (ENS) channel filters position or torque signals at 500 kHz, fast enough for high-bandwidth control loops. To preserve signal integrity, its input presents a balanced 120-ohm termination, and the conditioning stage is energized by a dedicated 500 mA rail at 11.6 V. These parameters ensure low-noise acquisition of encoder or sensor information without overloading the drive’s auxiliary supply.
For auxiliary communication, the board supports Fast Ethernet at 100Base-TX, accessed through the RJ-45 8-pin S3 connector. When the drive is first powered, an inrush limit circuit restricts current to 6 A for a controlled startup period of 60 ms, protecting fuses and rectifier diodes. The HSF safety feedback channel is powered from a separate 8 V source and permits 250 mA to operate redundant sensors. Resolver excitation is delivered at 4 kHz and 18.2 Vpp for absolute rotor position, while the D-Sub 9-pin female provides wiring for the Safe Motion functions defined by the integrated safety technology. These interfaces allow the board to exchange motion and safety signals with connected network and feedback devices.
