R911266800 is part of the DDS Drive Controllers Series by Indramat Drives.
Feedback Support: Resolver and Digital Encoder Rated Current Output: 50 Amps Ambient Conditions: As per product manual Command Module: SERCOS Optional Slots: U2 to U4 Heat Dissipation: Internal, Requires large cabinet Working Temperature Range: 0 to 45 degrees Celsius Installation: By trained personnel only.