Com Unit for MODBUS RTU LB8107H0706, Connection, LB (Zone 2, Class I/Div. 2), Interface between the I/O modules and the PCS/PLC, Com unit for 80 analog or 184 digital channels, Communication via MODBUS RTU, Mounting in Zone 2, Class I/Div.2 or in the safe area, HART communication via service bus, Configuration via FDT 1.2 DTM, Non-volatile memory for configuration and parameter settings