R911398590 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Type: Control Unit Number of digital inputs: 8 Includes probe inputs: Yes Number of I/O ports: 1 IP Protection Class: IP20 Heat Dissipation: Axial fan/blower Ethernet Interface: Multi-Ethernet Max Operation Humidity: 29 g/m3.