Summary of Contents for Endress+Hauser Liquiphant M/S
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Products Solutions Services SD01522F/00/EN/02.16 71329744 Special Documentation Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Functional Safety Manual [E x ia ] [E x ia ] Point level measuring system...
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Table of contents Declaration of conformity ..... 3 General ........4 Other safety-related characteristic values .
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N A0028075 General The components can be operated as different versions: • Version I (→ 6) One Liquiphant for the direct activation of a NAMUR switching unit (e.g. transmitter, safety- related PLC) via the NAMUR interface according to EN 50227 (DIN 19234; NAMUR) or IEC 60947-5-6.
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N • Version IV (→ 9) Two Liquiphant devices with a 3-channel Nivotester; the switching contacts are switched in series • Version V (→ 11) Three Liquiphant devices with a 3-channel Nivotester; all channels are used, evaluation is performed in a safety-related PLC, for example •...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Specific functional safety parameters: Version I: Liquiphant M/S Characteristics as per IEC Value 61508 Safety function Example Wiring scheme A Other safety equipment e.g. actuator/safety-related PLC Device type Mode of operation...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version II: Liquiphant M/S; 1-channel Nivotester FTL325N Characteristics as per IEC Value 61508 Safety function Example Wiring scheme A Other safety equipment e.g. actuator/safety-related PLC Device type Mode of operation Low demand mode...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version III: Liquiphant M/S; 3-channel Nivotester FTL325N, CH2 and CH3 in series Characteristics as per IEC Value 61508 Safety function Example Wiring scheme (1oo2) A Other safety equipment e.g. actuator/safety-related PLC B Possibility 1 C Possibility 2;...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version IV: 2 Liquiphant M/S; 3-channel Nivotester FTL325N Characteristics as per IEC Value 61508 Safety function Example Wiring scheme (1oo3) A Other safety equipment e.g. actuator/safety-related PLC B Possibility 1 C Possibility 2; 1oo3 assessment...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N The failure rates are based on an analysis in accordance with DIN EN 61508-6: 2011-02, Table D.4, "Using the β-factor to calculate the probability of failure in an E/E/PE safety-related system due to common cause failures".
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version V: 3 Liquiphant M/S; 3-channel Nivotester FTL325N; 2oo3 architecture Characteristics as per IEC Value 61508 Safety function Example Wiring scheme (2oo3) A Other safety equipment e.g. actuator/safety-related PLC; 2oo3 assessment...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N The failure rates are based on an analysis in accordance with DIN EN 61508-6: 2011-02, Table D.4, "Using the β-factor to calculate the probability of failure in an E/E/PE safety-related system due to common cause failures".
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version VI: Liquiphant M/S; 3-channel Nivotester FTL325N Characteristics as per IEC Value 61508 Safety function Example A0027836 Wiring scheme ∆s A Other safety equipment e.g. actuator/safety-related PLC Δs level control (not SIL)
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Document information Document function The document is part of the Operating Instructions and serves as a reference for application-specific parameters and notes. • General information about functional safety: SIL • General information about SIL is available: In the Download Area of the Endress+Hauser Internet site: www.de.endress.com/SIL...
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Permitted devices types The details pertaining to functional safety in this manual relate to the device versions listed below and are valid as of the specified firmware and hardware versions. Unless otherwise specified, all the following versions can also be used for protective systems.
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Safety function Definition of the safety The measuring system' s safety functions are: function • Maximum point level monitoring (overfill protection) • Minimum point level monitoring (dry run protection) For information on the choice of operating mode (MIN or MAX detection), see → 22.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N ρ [g/cm³] 1.000 0.100 0.010 0.001 ±0 +120 +180 +240 +300 [°C] +140 +248 +356 +464 +527 [°F] A0026840 1.1 Liquiphant M; density switch position 0.7 g/cm³ 1.2 Liquiphant S; density switch position 0.7 g/cm³...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Wall distance The distance between the tuning fork of the device and the wall of the vessel containing medium (e.g. tank, pipe) must be at least 10 mm (0.39 in). Corrosion The device may only be used in media to which the wetted parts used are resistant.
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Use in safety instrumented systems Device behavior during Behavior of device during power-up operation The behavior of the device during power-up is described in the relevant Operating Instructions (→ 16).
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Mode of operation Switch on the operating mode at the left switch: Mode of operation Function Switch position MAX safety MIN safety Bottom Ex ia H 2.2 ... 2.8 mA 0.6 ... 1.0 mA –...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Density Set the density at the right switch: Liquid density Function Switch position Comment >0.7 kg/dm³ >0.7 Standard setting; (See A in the graphic below) Always use if possible >0.5 kg/dm³...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Nivotester configuration Switch Channel 1 Fault Channel 2 Fault Channel 3 Fault MODE message message message Version 1 L = Low With Not applicable 0.4 to 1.2 mA None L = Low...
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N < 1 > 2 [E x ia ] < 1 > 2 A0026107 2 Operating and display element, 3-channel Nivotester FTL325N DIL switch for channel 1: error current signal 2.1 mA / 1.2 mA (1), fault on/off position (2) Light emitting diodes (LEDs) Switch for functions: Δs, e.g.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Procedure of the proof-test START Output signal Status „OK“ for status „OK“ at the sensor Output signal Establish Proof test has failed for demand mode demand mode Output signal Establish for status „OK“...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version II to VI Mode of operation Approach the level Version II to VI, test sequence Version II to VI, test sequence Remove and immerse in a medium of MIN detection (→ 31) MAX detection (→...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version I, test sequence A, MIN detection • Approach the level or • Remove and immerse in a medium of similar density and viscosity Step 1 Raise the level or immerse the tuning fork of the sensor that has been removed into the medium until the tuning fork is fully covered.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version I, test sequence A, MAX detection • Approach the level or • Remove and immerse in a medium of similar density and viscosity Step 1 Lower the level or remove the tuning fork of the sensor that has been removed out of the medium until the tuning fork is completely free.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version II to VI, test sequence A, MIN detection • Approach the level or • Remove and immerse in a medium of similar density and viscosity Step 1 Raise the level or immerse the tuning fork of the sensor that has been removed into the medium until the tuning fork is fully covered.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version II to VI, test sequence A, MAX detection • Approach the level or • Remove and immerse in a medium of similar density and viscosity Step 1 Lower the level or remove the tuning fork of the sensor that has been removed out of the medium until the tuning fork is completely free.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version I, test sequence B Activate simulation by pressing the test button on the Liquiphant or Nivotester. Step 1 ‣ Check the current at terminal 2. The current must be between 2.2 to 3.5 mA.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version II to VI, test sequence B Activate simulation by pressing the test button on the Liquiphant or Nivotester. Step 1 ‣ Check the status of the safety contacts. Version Terminal...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N General, test sequence C Check the switch point under reference operating conditions. NOTICE The test sequence can only be performed if the following conditions are met: ‣ Uncoated fork (FTL50, FTL51, FTL50H or FTL51H) ‣...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Check the current at terminal 2. After immersing the fork (plus a response time of approx. 1 s), the current must be between 0.6 to 1.0 mA. If the current is outside the specified tolerance, a fault has occurred in the safety path. The proof test has not been passed and must be aborted.
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Version Terminal Closed Not applicable Closed Closed Closed 22+23 Not applicable Closed Closed Closed Not applicable 26+27 Not applicable Closed Closed Closed Not applicable If one or more safety contacts are open, a fault has occurred in the safety path. The proof test has not been passed and must be aborted.
KA00620F/00 Additional country-specific regulations and tests must be observed. In the event of failure of a SIL-labeled Endress+Hauser device, which has been operated in a protection function, the "Declaration of Contamination and Cleaning" with the corresponding note "Used as SIL device in protective system" must be enclosed when the defective device is returned.
Modification Modifications are changes to SIL capable devices already delivered or installed. Modifications to SIL capable devices are usually performed in the Endress+Hauser manufacturing center. Modifications to SIL capable devices onsite at the user' s plant are possible following approval by the Endress+Hauser manufacturing center.
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Appendix Structure of the measuring System components system The measuring system' s devices are displayed in the following diagram (example): [E x ia ] [E x ia ] A0025771 Liquiphant M/S...
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N A0026065 3 Dimensions: mm (in) Installation from above Installation from below Installation from the side For information about the switch point under reference operating conditions, please refer to the Technical Information, → 16.
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Commissioning or Report for version I proof test report System-specific data Company Measuring point/TAG no. Facility Device type/Order code Serial no. of Liquiphant Name Date Signature Operating mode, density range and version (please tick appropriate box)
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Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Report for versions II to VI System-specific data Company Measuring point/TAG no. Facility Device type/Order code Serial no. of Liquiphant(s) Serial no. of Nivotester Name Date Signature Operating mode, density range and version (please tick appropriate box)
Liquiphant M/S with electronic insert FEL58 + Nivotester FTL325N Further information General information on functional safety (SIL) is available at: www.de.endress.com/SIL (Germany) or www.endress.com/SIL (English) and in the Competence Brochure CP01008Z/11 "Functional Safety in the Process Industry- Risk Reduction with Safety Instrumented Systems".