Product Description:

The CSH01.1C-S3-ENS-EN1-MD2-S1-S-NN-FW is a single-axis motion and I/O controller from Bosch Rexroth Indramat in the CSH Advanced Controllers series. It coordinates drive tasks inside modular automation cabinets by combining real-time fieldbus communication with local encoder evaluation and safety-rated I/O. The unit serves as the master interface between higher-level PLCs and IndraDrive power sections, processing feedback from multiple encoder formats and passing synchronized commands to the drive for closed-loop servo-axis control. This arrangement lets one compact controller handle communication, feedback processing, and local machine signals in the same installation space.

Core communication is handled through the master interface for SERCOS III, so deterministic telegrams reach the drive in sub-millisecond cycles. During start-up, the controller draws an inrush current of 4 A for roughly 100 ms, so control fuses must be sized to avoid nuisance trips. Once energized, overall power consumption is only 7.5 W, which helps keep cabinet heat load low. Axis feedback is connected through the EN1 port, which supports HSF or RSF wiring, and a dedicated ENS supply provides 11.6 V typical to maintain encoder reference before the main logic voltage stabilizes. The enclosure is 241 mm high and 103 mm deep, which allows it to fit standard panel depths without overhang.

The EN1 channel generates a resolver excitation of 18.2 Vpp and accepts incremental or absolute signals through the multi-protocol IndraDyn / HIPERFACE / 1 Vpp / TTL interface. This allows the controller to work with different feedback types on the same axis without requiring a separate feedback converter. Local machine states are handled by the MD2 module, which provides 16 digital inputs and 16 digital outputs on a D-Sub HD 44-pole connector, and point-to-point position data can also be exchanged through the MD2 SSI port with an RJ11 six-pole plug. With a frontal width of 49.5 mm, the controller leaves airflow space for neighboring components, while the integrated Safety technology I/O layer supports safe-stop and door-interlock circuits without external relays.