Product Description:

The CSH01.1C-SE-ENS-NNN-MA1-NN-S-NN-FW is a single-axis motion controller from Bosch Rexroth Indramat in the CSH Advanced Controllers series. It serves as the central command module for one servo drive, coordinating positioning and velocity loops while exchanging real-time data with higher-level automation systems. Periodic diagnostics are available through an RS232 maintenance port, which provides a direct service path for parameter access and status checks. Its single-axis layout suits compact drive systems where one motion function is handled by a dedicated control channel instead of a shared multi-axis processor.

The primary control link is the SERCOS bus backplane, and by using SERCOS II the unit supports deterministic cycle times for synchronized multi-drive installations. Internal command processing uses an analog input stage with an impedance of 160 kΩ, which helps prevent loading of external transducers, and an analog output that provides a nominal 5 V reference for downstream devices. The controller processes 1 axis, allowing it to be assigned to a single motion function without unused control capacity. Position feedback enters through the ENS encoder interface for fast pulse capture with incremental or absolute sensing. Two extension input channels and two extension output channels support application-level signals, and their conversion depth is 12-bit for low-noise torque or pressure commands. Digital I/O expansion is analog I/O, and inrush current is limited to 4 A, which helps reduce stress on the supply during startup.

The encoder supply line furnishes 11.6 V at up to 500 mA, so many SSI, EnDat, or Hiperface sensors can be powered directly without auxiliary regulators. This arrangement keeps sensor power local to the controller and reduces the need for separate low-voltage supplies in the feedback circuit. Two analog extension channels can generate or sample 0–10 V waveforms with a minimum pulse width of 100 ms, which suits slower process signals that do not require rapid switching. The controller does not include integrated safe-torque-off or safe-motion functions, so emergency stop logic must be provided by the machine’s external circuitry.