R911309731 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Configurability: Configurable
Master communication: SERCOS interface
Option 1: x4 Encoder IndraDyn/Hiperface/1 Vpp/ TTL
Option 3: Encoder emulation
Safety Technology Option: Included
Control Panel: Standard
Firmware: To be ordered separately
Compatible Modules for Option 1 and 3: ENS, EN1, EN2, MEM
Compatible Modules for Safety Technology Option: L1, L2, S1, S2
Discharge Requirement: Body and tools must be discharged prior to contact
Mount/Dismount Limitations: No more than 20 times