4-channel, Inputs with plug-in Ex e terminals, Installation in suitable enclosures in Zone 1, Module can be exchanged under voltage (hot swap), Explosion protection: Ex e connection, Field device: pressure converter, Field device [2]: flow converter, Field device [3]: level converter, Field device [4]: Temperature Converter, Connection: 2-wire transmitter, Connection [2]: 3-wire transmitter, Connection [3]: 4-wire transmitter, HART communication