R911261188 is part of the DDS Drive Controllers Series by Indramat Drives.
Product: DDS Drive Controller from Bosch Rexroth Design: Modular Use: Quick-Response Drive when coupled with AC motors Version: 1 Rated Current: 15 A Communication: SERCOS Interface and Digital Servo Motor Feedback Cooling Technology: Heat Technology Proximity to High-Frequency Radio Equipment: Not Recommended De-energization Before Repair: Mandatory Safety Requirements and Construction Paperwork: Essential.