Product Description:

The CSH01.1C-PB-EN1-EN2-NNN-L1-S-NN-FW is a single-axis control card built by Bosch Rexroth Indramat for the CSH Advanced Controllers series. It slots into an IndraDrive power section and supplies command processing for industrial automation equipment such as packaging lines, gantry systems, and metalworking centers. The card translates fieldbus commands into real-time motor setpoints while also evaluating encoder feedback, so it serves as the coordination layer between higher-level PLCs and servo power electronics.

Its electronics consume only 7.5 W at idle, which helps reduce heat inside the drive. During power-up, an inrush of 4 A charges internal capacitors before current drops to steady-state levels. Communication with the plant network is carried out over the PROFIBUS fieldbus, and the integrated interface supports data transfer rates up to 12 MBaud through a D-Sub 9-pin female bus connector. Axis reference signals enter through the EN1 port, a D-Sub 15-pin female socket that accepts resolver and HSF feedback. The resolver channel is energized by a 4 kHz carrier at 18.2 Vpp, while the second encoder channel accepts differential signals compliant with EnDat 2.1 / 1 Vpp / 5 V TTL. These multiple feedback paths allow the controller to use absolute position data and high-speed incremental tracks without rewiring.

Safety functions are routed through a dedicated nine-pin female connector and operate independently of the motion loop. The card enforces emergency shutdown in accordance with Category 0, which means power to the drive is removed immediately when a monitored input is triggered. That input is a dual-channel line that senses 24 V / 3 mA signals from external emergency-stop switches. A built-in starting lockout blocks any restart until the safety chain is reset, and diagnostic bits are cleared only after a permitted restart pulse that must be shorter than 100 ms. For applications that use Hall sensor feedback, the HSF channel supplies a stabilized reference of 8 V so sensor accuracy is maintained even when the main bus voltage fluctuates.