Product Description:

The CDB01.1C-S3-ENS-ENS-NNN-NNN-S1-S-NN-FW is a drive controller control section produced by Bosch Rexroth Indramat for the CDB Control Units series. Installed in modular drive stacks, it supervises power stages, manages feedback devices, and exchanges real-time data with higher-level PLCs so that multi-axis motion tasks remain synchronized within industrial automation cells. These update times and channel resolutions support accurate motion control in precision equipment.

This unit provides one analog input channel with a resolution of 5.5 mV/inc for speed or torque commands, and two analog output channels that can reproduce internal states at 19.5 mV/inc granularity for external monitors. Current regulation is refreshed every 125 µs, giving the drive the response needed for tight torque loops. Command and diagnostic traffic passes over the SERCOS III fiber-optic ring, and the slot can execute bus cycles as short as 1000 µs, allowing the controller to share its latest setpoints with neighboring axes without excess latency. The analog channels and short update intervals help the control section respond quickly to changing operating conditions.

Feedback hardware attaches through a D-Sub 15 connector, and two encoder interfaces are available so a secondary measuring system can be wired alongside the primary channel. The encoders receive a stabilized supply of 12 V. For plant networking, the board supports the 100Base-TX Ethernet physical layer and brings this signal to a shielded RJ-45, 8-pin jack. A form-C relay rated at DC 24 V, 1 A offers a galvanically isolated status contact for external interlocks. Functional safety wiring uses a D-Sub 9 plug, with each safe input expecting 24 V at 3 mA and each safe output sourcing 24 V at 0.5 A, so emergency stop chains and guard switches can be integrated without additional terminals.