R911332728 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Product Line: CSH01 Characteristic: ADVANCED Interface: Standard Encoder Evaluation Supply Voltage for Encoder: 12V Additional Interface: Resolver and HSF Encoder Evaluation Encoders Supply Voltage: 8V DC or 18.2V AC (peak) Commissioning Methods: Standard Control Panel, IndraWorks Software