R911309708 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Product Family: CSH Supported Encoder Systems: EnDat2.1, TTL, 1Vpp Use: Control of various automation equipment Display: Single-line display Physical Dimensions: 103mm x 241mm x 49.5mm Safety Features: Safety Technology IO at serial port X41 Interface: Serial interface RS232 Order From: Indramat USA