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Product description:

This signal conditioner provides the galvanic isolation between field circuits and control circuits. The device is a relay module that is suitable for safely switching applications of a load circuit. The device isolates load circuits up to 230 V AC and the 24 V DC control circuit. The de-energized to safe (DTS) function is permitted for SIL 3 and PL e applications. An internal fault or a line fault is signalized by the impedance change of the relay contact input and an additional relay contact output. A fault is signalized by LEDs and a separate collective error message output. The output must be protected against contact welding by an internal fuse or an external current limitation.

< 1-channel signal conditioner

< 24 V DC supply

< Logic input 19 V DC ... 26.4 V DC

< Recommended connectable voltage 50 V AC ... 230 V AC, 60 V DC ... 110 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