R911305497 is part of the CSB Drive Controllers Series by Indramat Drives.
Specs
Product Name: Rexroth IndraDrive Control Section Encoder Interface: Standard 12V supply voltage Additional Interfaces: Resolver and HSF Communication Module: PROFIBUS Memory Card Feature: Plug-in memory for drive parameters Build: Compact for easy installation Mounting and Dismounting: Maximum of 20 times Shipping Availability: Global