1-channel signal conditioner, 24 V DC supply (Power Rail), Output 20.4 mA at 13.5 V DC, 19 V DC ... 30 V DC input, Test pulse immunity, Line fault detection (LFD), Up to SIL 3 acc. to IEC/EN 61508, Housing width: 20 mm, Number of channels: 1-channel, Conformal coating, Safety Integrity Level (SIL): SIL 3, Rated voltage: 19 ... 30 V DC, Type: logic input, Field device: 1 x Valve, Field device [2]: 1 x audible alarm, Field device [3]: 1 x visual alarm, Fault indication output, Line fault detection