Phoenix Contact 2688491 The Axioline F is an analog input module that features four analog inputs with a range of 0-20 mA each, as well as a negative range of -20 mA. The module supports connection technologies of 2-, 3-, and 4-conductor cables and operates at a local bus transmission speed of 100 Mbps. It also includes an integrated sensor supply and has a degree of protection rated IP20.