Product Description:

The CSH01.1C-S3-EN2-NNN-MD1-S2-S-NN-FW is a motion and I/O controller board from Bosch Rexroth Indramat in the CSH Advanced Controllers series. Engineered for IndraDrive platforms, the board manages drive functions for compact automation cells and synchronizes position loops with high-speed fieldbus communication. It supplies analog signaling, encoder evaluation, and safety monitoring so that a single module can coordinate servo axes, collect machine feedback, and execute certified safety reactions in industrial automation.

The board is configured for 1 axis and exchanges real-time setpoints over the SERCOS III network, allowing deterministic cycle times down to sub-millisecond ranges. Its ±10 V analog channel sources 1 mA and drives loads up to 5 kΩ, and the analog reference is resolved at 19.5 mV/inc so speed commands remain repeatable. Position feedback arrives through the multi-protocol encoder port that accepts EnDat 2.1, 1 Vpp, or 5 V TTL signals. The dedicated EN2 supply delivers 5.0 V at 350 mA with a 35 Ω series resistance to maintain signal integrity along shielded encoder cables. For local machine sensors, the MD1 terminal block furnishes 12 opto-isolated digital inputs rated for 24 V logic, enabling the controller to capture limit switches, homing signals, and mode selections without additional interface cards.

Eight high-side drivers form the discrete output stage and provide 8 channels that switch actuators such as valves or contactors at the cabinet supply of 24 V. Each output can sink or source up to 0.5 A, and the combined MD1 section draws only 1 W so heat buildup on the carrier remains minimal. Machine safeguarding is integrated through the Safe Motion option, which enables velocity-limited operation and certified stop functions without external relays. A service port using RS232 supports setup, software transfer, and diagnostics without duplicating fieldbus traffic.