R911335642 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Product: Bosch Rexroth's CSH control sections Design: Configurable CSH control section Encoder Interface: 15 poles Communication Module: sercos Transfer Method: Fiber optics Maximum Inrush Current: 4A Maximum Pulse Width: 100ms Firmware: Compatible but must be ordered separately Control Panel: Standard with single-line display Safety Technology: Safe Torque Off