< 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
< Self configuration in redundant systems
< Permanently self-monitoring
< Outputs drive to safe state in case of failures
< Module can be exchanged under voltage