R911278456 is part of the DDS Drive Controllers Series by Indramat Drives.
Interface: SERCOS Feedback System: Resolver Communication Interface: RS232/484 Temperature Monitoring Sensor: Yes Plug-in Slots: 5 Design: Modular Protection Category: IP20 Heat Dissipation Method: Air Operational Reliability: High when operated within suggested parameters Firmware: Must be ordered according to required functions