R911378209 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Supply Voltage: 5V and 12V Cooling Mechanism: Internal cooling mechanism Switching Frequencies: 4kHz, 8kHz, 12kHz, 16kHz Control Sections Compatibility: Bosch Rexroth control sections in the BASIC range Communication Module: Multi-Ethernet Ethernet Field Bus Systems: sercos III, EtherCAT, EtherNet/IP, PROFINET IO Firmware Use: Allowed but must be ordered separately Ambient Temperature: Should not exceed 40oC Maximum Installation Height: 1,000m above mean sea level