R911255542 is part of the DDS Drive Controllers Series by Indramat Drives.
Type: Digital Drive Controller Motor Feedback: Digital Servo Feedback Current Rating: 50A Cooling Method: Heat Technology Protection Rating: IP 10 Operating Temperature: 0oC to 40oC Maximum Installation Height: 1000m Communication: Plug-In Single-Axis Positioning Module Program Blocks Capacity: 3000 program blocks Configurability: Modular configuration.