R911335503 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Product Type: Control Section Master Communication Interface: SERCOS Physical Dimensions: 103mm x 241mm x 49.5mm Configuration: By engineer or trained technician Display: Single-line display Safety Feature: Safe Torque Off (SIL3/ cat 3. PL e) Control Panel Interface Connection Point: H1 Serial Interface: Can be connected to X2 terminal External Supply Voltage Points: X31.8 and X31.9