1-channel isolated barrier, 24 V DC supply (Power Rail), Current output up to 650 ? load, HART-IP and valve positioner, Line fault detection (LFD), Housing width 12.5 mm, Up to SIL 3 acc. to IEC/EN 61508, Housing width: 12.5 mm, Number of channels: 1-channel, Transfer direction: to the field, HART communication, Safety Integrity Level (SIL): SIL 3, Rated voltage: 19 ... 30 V DC, Signal: 1 x 4 ... 20 mA, Field device: 1 x I/P converters, Field device [2]: 1 x positioner