R911258291 is part of the DDS Drive Controllers Series by Indramat Drives.
Product Type: Drive Controller Motor Feedback: Resolver Communication Interface: Analog U1 Slot Installment: ANALOG interface with incremental encoder emulator Rated Current: 50 A Power Input: 24 VDC regulated Power Dissipation: 500 mA at 24 VDC Installation Recommendation: In a control cabinet Permissible Humidity Range: 95% without condensation Operational Reduction at Rated Temperature: 20% at +55 degree Celsius Storage/Transportation Temperature Range: -30 to +85 degree Celsius Overall Power Loss: Approximately 80 W Additional Feature: RS232 serial interface