Product Description:

The CSH01.1C-S3-ENS-EN1-EN2-L2-S-NN-FW is an automation controller board in the CSH Advanced Controllers series from Bosch Rexroth Indramat. Within a modular drive stack, it serves as the motion controller, translating higher-level PLC instructions into timed axis signals and coordinating feedback from connected servo drives. It operates at the control layer rather than the power layer, organizing axis coordination, command timing, and status exchange across the drive system. This makes it suitable for machines that require synchronized motion between multiple servo axes without adding a large standalone controller.

This model provides two command bus ports, allowing a daisy-chain topology so several drives can share a synchronized telegram without external switches. Communication takes place over SERCOS III, a real-time Ethernet protocol that supports cyclic data exchange within very short timing windows for tight position loops. Logic and sensor circuits draw from a 24 V DC supply, which separates low-level electronics from higher-power inverter stages. Drive parameters are stored on a removable CompactFlash card, allowing data retention and quick controller replacement. Removable storage also keeps configuration data separate from the base module. The open frame has an IP20 protection rating, so it is intended for installation inside a closed electrical cabinet where contact with live parts is controlled.

Functional safety is handled by an integrated safety technology block that supervises STO and other safe motion features through dedicated channels, eliminating the need for discrete relays. Encoder flexibility is provided through two multiencoder ports that accept EnDat, SSI, or Hiperface signals in parallel with one motor feedback port reserved for primary axis monitoring. This arrangement allows mixed feedback architectures on one controller and supports the use of auxiliary measuring devices alongside the main motor feedback path. Built-in diagnostic functions support automatic baud detection and error checking to help maintain machine availability. The safety and feedback features are integrated on the same board, which reduces the need for separate interface modules in compact drive cabinets.