Product Description:

The CDB01.1C-SE-EN2-EN2-ENS-NNN-S2-S-NN-FW belongs to the CDB Control Units series produced by Bosch Rexroth Indramat. This plug-in control section is designed for installation on compatible drive electronics, where it issues setpoints, interprets encoder feedback, and supervises integrated safety. Within an automation cell, the unit executes coordinated motion sequences so that connected axes follow programmed position, speed, or torque profiles used by conveyor modules, pick-and-place gantries, or machine tools. Its compact format lets it share an enclosure with the power stage, which helps reduce cabinet space.

The control section manages 2 simultaneously interpolated axes and exchanges real-time data over the SERCOS II interface. Link speed is fixed at 16 MBaud, allowing position and parameter packets to circulate every communication cycle with deterministic timing. Primary feedback for each axis is accepted through EN2 differential encoder channels, and each EN2 input presents a line receiver impedance of 35 ohms so cable reflections are limited on high-speed signals. The same channels are energized from an internal source that supplies 5.0 V, which is suited for TTL-compatible encoders and bidirectional RS-422 drivers.

Encoder power capability extends beyond voltage. Each EN2 port can deliver up to 350 mA, while the ENS absolute encoder line is rated for 500 mA at a stabilized output of 11.6 V for devices that require higher excitation. At power-up, the control section draws an inrush current of 6 A for 60 ms, so upstream fuses and supply wiring must accommodate that transient. One normally open relay contact is provided for drive-ready signaling, and Safe Motion circuitry remains active through a dedicated 2 W SE module. These features allow the unit to shut down torque channels, report status, and energize external interlocks without additional interface boards.