R911317394 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Design: Design-2 Encoder Evaluation Interfaces: 2 Encoder Supply Voltage Interface 1: 12V Encoder Supply Voltage Interface 2: 5V Safety Technology Module: Safety Technology I/O module IEC Category: C3 for Industrial Use Only High-Frequency Interference: Possible in Residential Areas Firmware: Permitted but Ordered Separately Mounting and Dismounting: Not More Than 20 Times Size: Compact