1-channel signal conditioner, 24 V DC supply, Logic input 19 V DC ... 26.4 V DC, Recommended connectable voltage 8 V DC ... 60 V DC, Relay contact output for de-energized to safe function, Line fault transparency (LFT), Diagnostic function, Up to SIL 3 acc. to IEC/EN 61508, Up to PL e acc. to EN/ISO 13849, Housing width: 20 mm, Number of channels: 1-channel, Diagnostics function, Line fault transparency, DTS function (de-energized to safe), Safety Integrity Level (SIL): SIL 3