R911331931 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Type: Control Section Input-Output Points: Multiple Memory Card Slot: Available at X7 Control Panel Interface: Available at H1 Dimensions: 103mm x 49.5mm x 241mm Operating Temperature Range: 0 to +40 degree Celsius Humidity Requirement: below 90% Protection Class: IP20 Serial Interface: Available at X2 Ethernet interface: Multi-Ethernet Mounting and Dismounting: Not Frequent External Supply Voltage Requirement at Connection Points X31.8 and X31.9: Yes