Product Description:

The CSH02.5B-CC-EC-PB-L3-NN-NN-NW control section is produced by Bosch Rexroth Indramat within the CSH Advanced Controllers series. It serves as the motion and I/O processor for IndraDrive power units, translating machine-level commands into synchronized axis signals across automated lines. By combining high-speed fieldbus links, analog conditioning, and integrated safety functions, the module coordinates servomotor velocity, position, and torque loops so packaging, printing, or metal-cutting equipment can maintain repeatable cycle times. Because it is a control section rather than a standalone power stage, it works with a matching drive unit to process commands, evaluate feedback, and exchange control signals with the connected axis.

The analog input stage offers a bandwidth of 1.3 kHz, allowing the controller to follow fast feedback from load cells or pressure sensors without noticeable delay. Conversion granularity is 14 bit, yielding 16,384 discrete counts for fine loop tuning. Analog command voltages change in steps of 24 mV/incr and remain stable when driving loads down to 2 kΩ. For discrete actuators, the digital output channel provides up to 500 mA, which is suitable for cabinet contactors or stack-light circuits. Motion feedback arrives through an integrated Multi-Encoder interface, so SinCos, TTL, or EnDat transducers can use the same 15-pin socket. High-speed probing is supported because the latch circuit registers reference edges as short as 4 µs, which is useful for spindle orientation or measurement capture.

Plant-level networking is handled by a dedicated PROFIBUS fieldbus slot that communicates over an EIA-RS485 layer through a 9-pin connector and includes a 75 mA repeater supply for external bus extenders. Functional safety is integrated through the drive’s Safe Torque Off channel, which removes power from the output stages through hardwired logic. This keeps the safety path separate from normal motion commands while still allowing status monitoring at the control level. When the STO path is energized, the board can source up to 350 mA for verification relays or indicator LEDs that report safe status back to the supervisory PLC.