CDB01.1C-SE-EN1-NNN-MA1-S1-S-NN-FW Bosch Rexroth Indramat
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MPN: R911298703
The Bosch Rexroth Indramat CDB01.1C-SE-EN1-NNN-MA1-S1-S-NN-FW is a control unit from the CDB Control Units series that supports two axes and features SERCOS II control communication over fiber optic. It offers two analog input channels, two output channels, and provides resolver or HSF encoder feedback with an 8 V supply. The unit provides S1 Safety I/O technology and a single-line control panel display.
Internal Product Review
The CDB01.1C-SE-EN1-NNN-MA1-S1-S-NN-FW is a Bosch Rexroth Indramat CDB control unit featuring SERCOS II communication over a fiber optic medium. Dual-axis support and Resolver/HSF encoder feedback give the platform a very capable motion-control profile for coordinated automation tasks. S1 Safety I/O adds valuable protection and rounds out a well-engineered controller.
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Product Description:
The CDB01.1C-SE-EN1-NNN-MA1-S1-S-NN-FW is a control unit produced by Bosch Rexroth Indramat within the CDB Control Units series. It functions as the command layer inside IndraDrive systems, coordinating drive tasks for multi-axis machinery through integrated motion, feedback, and safety resources. By hosting regulation loops and field interfaces, the module links servo inverters to higher-level PLCs and enables deterministic drive coordination in industrial automation.
This model supervises 2 axes and draws only 9 W of base power, so cabinet dissipation stays low while dual-channel processing is maintained. Command traffic is carried on the fiber-optic ring using SERCOS II, giving electromagnetic immunity and time-synchronized telegrams. Two differential analog input channels accept ±10 V signals with 1000 kΩ input resistance, and two analog outputs provide reference voltages to external devices. The ±10 V inputs are sampled across a 1 kHz bandwidth, making them suitable for fast torque or position loops, while each analog output is quantized at 5 mV/inc to reduce command granularity. This arrangement allows the unit to combine networked motion commands with direct analog interfacing when a machine uses external setpoint or monitoring signals. A single-line control panel supplies local parameter access, and the 8 V encoder supply powers resolvers or high-speed feedback transducers connected at the drive end.
Auxiliary communication is available through an RS-232 port that reaches 115 kBaud for service diagnostics without disturbing real-time traffic. Encoder channels process position data from Resolver/HSF sensors, forwarding absolute and incremental values to the control loop. Integrated safety is handled by a relay rated at 24 V DC / 1 A and by the S1 Safety I/O architecture, allowing safe torque off and external emergency-stop wiring without extra modules. The safety circuit can be tied into machine stop chains, while the serial interface provides a separate path for status access and parameter handling. This layout allows the control unit to manage feedback, safety signaling, and auxiliary communication in the same assembly.
