CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW Bosch Rexroth Indramat
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MPN: R911328503
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The Bosch Rexroth Indramat CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW is a control unit from the CDB Control Units series that supports two axes and uses Sercos III communication with RJ-45, 8-pin connectors. It features analog input and output ranges of ±10 V and 0 to 5 V, a 24 V DC supply voltage, and Safe Motion functionality rated at SIL2/cat. 3 PLd. The unit also includes encoder compatibility for IndraDyn, HIPERFACE, EnDat 2.1, 1 Vpp, and TTL interfaces.
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Product Description:
The CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW is a plug-in control section built by Bosch Rexroth Indramat for the CDB Control Units series. Installed on an IndraDrive power module, it serves as the interface that processes feedback, fieldbus traffic, and local I/O so that two servo axes can be coordinated inside an industrial automation cell. By combining encoder evaluation, analog command processing, and safety monitoring on a single board, the unit reduces panel space and wiring inside packaging, printing, and material-handling machines. It also manages drive-level signal handling so the connected power stage can respond quickly to motion commands and feedback changes during operation.
The board accepts an analog velocity or torque reference in the range of ±10 V, and its input impedance is 160 kΩ, which minimizes loading on upstream controllers. A separate channel can send drive status back as a voltage between 0 to 5 V while sourcing up to 1 mA. Logic electronics, encoder supplies, and relays are powered from a regulated 24 V DC feed. Two axes are supported, and each can read IndraDyn, HIPERFACE, 1 Vpp, or TTL feedback on the X4 connector, while the X8 connector also accepts EnDat 2.1. The digital watchdog registers pulses as short as 60 ms, and serial communication is available through an RS-232 port rated for 115 kBaud with cables up to 15 m. That connection can be used for direct access when a network link is not being used.
For network integration, the unit uses Sercos III over copper wiring and negotiates automatically at the Fast Ethernet layer specified by 100Base-TX. A shielded RJ-45 8-pin socket implements the Sercos ring and provides daisy-chain continuity to adjacent drives. During power-up, the controller draws up to 6 A of inrush current from the supply before settling to its steady logic load. The integrated safety functions support Safe Motion (SIL2 / cat. 3 PLd), supervising speed and position so that motion is halted whenever set thresholds are exceeded. The network interface, feedback processing, and safety functions are integrated on the same control section, so normal two-axis operation does not require a separate external motion board.
Frequently Asked Questions about CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW:
Q: How many axes does the CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW unit control?
A: This model supports two axes of control for automation tasks.
Q: What safety function is built into the CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW control unit?
A: Safe Motion functionality with SIL2 and category 3 PLd certification is included for safety operations.
Q: What communication interface does the CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW employ?
A: Communication is established via Sercos III, using an RJ-45, 8-pin connector.
Q: What is the analog input range and resistance for the CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW?
A: The analog input on this control unit operates within a ±10 V range and has an input resistance of 160 kΩ.
Q: What supply voltage does the CDB01.1C-S3-ENS-ENS-EN2-EN2-S2-S-NN-FW need for operation?
A: The supply voltage required for this model is DC 24 V.
