Phoenix Contact 2688501 The Axioline F is an analog input module that features four different voltage ranges with corresponding negative values, spanning from 0 to 5 volts. It supports various connection technologies such as 2-, 3-, or 4-conductor connections and operates at a local bus transmission speed of 100 Mbps. The module also includes integrated sensor supply and is protected by an IP20 rating, while featuring both a base module and Axioline F connectors.