R911385998 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Name: HCS Drive Converter Communication Module: Multi-Ethernet Field Bus Systems Supported: EtherCAT, EtherNet/IP, sercos III, PROFINET IO Encoder Interface: Multi-Encoder Protection Category: IP 20 Size of Admitted Solid Objects: Not Greater Than 12mm Safety Technology Module: Safe Motion Switching Frequencies: 4kHz, 8kHz, 12kHz, 16kHz Maximum Current: 9A Firmware Use: Supported but Ordered Separately.