R911329891 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Product: Bosch Rexroth CSH01.3C Control Section Maximum Installation Height: 1000 meters above sea level Motor Encoder Interfaces: Hiperface, 1Vpp, TTL Temperature Range: 0 to +40 Frequency Range: 2 to 16 kHz Extra Feature: Safe Motion feature Configuration: Multiple input/output ports Firmware Order: Separately from Indramat USA Commissioning Requirement: Certified technician