R911335431 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Operational Reliability: High Integration: Easy Installation: Plug-in to IndraDrive drive controllers Switching Frequencies: 2 kHz, 4 kHz, 8 kHz, 12 kHz, 16 kHz Safety Features: Safe braking, safe motion, safe torque I/O: Configurable as per input or output Control Panel: Included for facilitation of inputs.