R911335451 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Type: Digital control unit Control Panel Compatibility: Standard Control Panel Hot Plug Support: No Display: Single-line display Communication: SERCOS Configurable: Yes Interface: Integrated RS-232 serial Encoder Module: HSF/RSF, EnDat 2.1 Interface Applications: Machine tools, Printing machines, Food machines Dimensions: 241 x 49.5 x 103 millimeters Mounting Type: Vertical Cooling Method: Natural convection Assembly Requirement: Trained personnel Assembly Limit: Not more than 20 times