R911381500 is part of the CSB Drive Controllers Series by Indramat Drives.
Specs
Rexroth IndraDrive system: yes Single-axis device: yes Multi-Ethernet communication bus: yes Compatible with Ethernet field bus systems: yes Ethernet systems compatibility: EtherNet/IP, EtherCAT, Sercos III, PROFINET IO Multi-encoder Interface: yes Encoder systems support: 5V and 12V Safe Motion module: yes Digital/analog I/O extension option: yes Control panel: no Firmware: no Maximum inrush current rating: 5A Maximum pulse width value: 1ms