Safety Manual SD F/00/en/ Level Limit Measuring System liquiphant M/S with electronic insert FEL 54 2 Endress + Hauser Table of contents dependent on the SIL (e.g. exceeding a defined MAX level/switch point). The Liquiphant FTL51B is specialized for the process industry and already developed according to IEC to be used directly in SIL2 and SIL3 applications without big efforts. You conduct periodic proof tests according to SIL or WHG simply mobile with an intuitive wizard. At the end you receive an automated documentation. Liquiphant measures reliably and is not affected by changing media. Endress+Hauser 3 1 Safety Instructions Safe and secure operation of the unit can only be guaranteed if the operating instructions and all safety notes are read, understood and followed. Approved usage The Liquiphant M FTL50H and FTL5 1H is designed for level limit detection in liquids. If used incor-.
Endress+Hauser 5 Min 1 Max 2 FEL51 Connection terminals LEDs Switches 12 L1 N U~ 19 to VAC 50/60Hz I max: mA Electronic insert function Electronic inserts for level limit switches • FEL two-wire AC version, switch the load directly into the power supply circuit via the thyristor. Liquiphant FTL51H is a point level switch with extension tube for use in hazardous areas with all international certificates. Especially useable in the food and life sciences industry with hygienic certificates (3-A, EHEDG, ASME BPE). FTL51H offers functional safety SIL2/SIL3. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam. Liquiphant FTL31 is a point level switch for liquids. The FTL31 is designed for industrial applications in all industries, mainly the machinery industry. The Liquiphant is used for overfill prevention or pump dry-run protection in cleaning systems. The IO-Link capability allows easy parameter setting. Compact: Smallest vibronic sensor in the market Safe: Continuous self-monitoring.
Liquiphant FTL50 is a point level switch for use in hazardous areas with all international certificates. Useable in all industries. FTL50 offers functional safety SIL2/SIL3. With the second line of defense the highest degree of safety and availability of the device can be guaranteed. Reliable measurement values, not affected by: changing media. Endress+Hauser 5 Min 1 Max 2 FEL51 Connection terminals LEDs Switches 12 L1 N U~ 19 to VAC 50/60Hz I max: mA Electronic insert function Electronic inserts for level limit switches • FEL two-wire AC version, switch the load directly into the power supply circuit via the thyristor. Endress+Hauser 5 Introduction General depiction of a safety system (protection function) Parameter tables for determining Safety Integrity Level (SIL) The following tables are used to define the reacha ble SIL, the requirements pe rtaining to the “Average.
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