1-channel, Input Ex ia, Power supply for 2- or 3-wire transmitters with 4 mA ... 20 mA, Module can be exchanged under voltage (hot swap), Explosion protection: Ex ia, 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