Endress+Hauser Liquiphant S FDL60 Functional Safety Manual Download Page 24 | Manualshive

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Liquiphant S, Nivotester

Instruments International

Hauser
Instruments International AG
Kaegenstrasse 2
4153 Reinach
Switzerland

Tel. +41 61 715 81 00
Fax +41 61 715 25 00
www.endress.com
[email protected]

SD175F/00/EN/09.09
71103335
FM+SGML 6.0

71103335

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Summary of Contents for Liquiphant S FDL60

Page 1: ...ility as per EN 61326 and NAMUR recommendation NE 21 Electrical safety in accordance with IEC EN 61010 1 Your benefits For overfill protection up to SIL 3 independently assessed Functional Safety Assessment by TÜV Süd in accordance with IEC 61508 Suitable for liquefied gases according to VdTÜV Merkblatt 100 for tank categories B and C no annual recurrent test required Permanent self monitoring Err...

Page 2: ...umentation 6 Description of the safety requirements and boundary conditions 7 Safety function 7 Restrictions for use in safety related applications 7 Functional safety figures 8 Behavior of device during operation and in case of error 9 Installation 10 Initial operation 11 Maintenance 11 Proof test 11 Proof test 11 Procedure for proof testing 11 Repair 14 Repair 14 Appendix 15 Commissioning or pro...

Page 3: ...Liquiphant S Nivotester Endress Hauser 3 SIL Declaration of Conformity SIL 03013b ...

Page 4: ...e available as a fail safe contact Description of use as a protective system The tuning fork of the sensor vibrates at its intrinsic resonance frequency The frequency decreases if the fork is submersed in liquid This change in frequency causes the fail safe contact to change The switch point depends on installation For information on the switch point please refer to the Operating Instructions ä 6 ...

Page 5: ... followed Permitted device types The functional safety assessment described in this manual applies to the device versions listed below Unless otherwise indicated all subsequent versions can also be used for safety functions In the event of device modifications a modification process compliant with IEC 61508 is applied Device versions valid for use in safety related applications Nivotester FTL670 T...

Page 6: ...XB XC ZE ZD are supplied with certified device versions Please refer to the nameplate for the relevant safety instructions Nivotester FTL670 Documentation Contents Note Technical Information TI223F 00 Technical data Instructions on accessories The documentation is available on the Internet www endress com Operating Instructions BA140F 00 Introduction Mounting the Liquiphant S Mounting the Nivotest...

Page 7: ...ambient conditions The instructions for critical process situations and installation conditions as detailed in the Operating Instructions must be observed The specifications in the Operating Instructions ä 6 Supplementary device documentation must not be exceeded Depending on the Nivotester density setting ä 10 Installation the density of the medium must not undershoot specific limit values Settin...

Page 8: ...pe B Mode of operation Low demand mode High demand mode SFF 91 4 90 1 91 MTTR 8 h Recommended proof test interval T1 15 years λsd 2 401 4 FIT 179 5 FIT λsu 2 83 4 FIT 44 5 FIT λdd 2 401 4 FIT 179 5 FIT λdu 2 83 4 FIT 44 5 FIT λtot 2 969 5 FIT 447 9 FIT 1417 4 FIT β 5 5 βD 2 2 PFDavg for T1 15 years 1 1 73 10 4 9 24 10 5 2 66 10 4 PFH for T1 15 years 1 2 64 10 9 1 41 10 9 4 04 10 9 MTBF 3 117 years...

Page 9: ...mand Once the level limit to be monitored is reached the fail safe contact changes from closed to open within the system reaction time Behavior of device in the event of of faults Fail safe contact The fail safe contact is open in the event of faults Alarm relay The alarm relay changes to idle condition in the event of faults The type of fault is also indicated by an LED on the Nivotester see Oper...

Page 10: ...600 VA at cos ϕ 1 0 or P 300 VA at cos ϕ 0 7 or U 120 V DC I 2 5 A P 75 W Caution Changes to the measuring system and settings after start up can impair the protection function Orientation The permitted orientations of the device are described in the Operating Instruction ä 6 Supplementary device documentation T 2 d b z d 2 4 d 4 6 8 10 12 z 12 d 12 14 z 14 d 14 16 18 d 18 d 32 L L z 26 b 28 20 b ...

Page 11: ...rocedure C In addition checks must be carried out to ensure that all cover seals and cable entries are sealing correctly Procedure for proof testing Preparation Connect a suitable measuring device e g Multimeter downstream plant sections etc to display the function of the fail safe contact Test procedure A Procedure when it is possible to approach the level 1 The tuning fork must be free If necess...

Page 12: ...hooting Operating Instructions ä 6 Supplementary device documentation Section Troubleshooting If necessary the accuracy of the switch point can also be checked Operating Instructions Section Mounting the Liquiphant S Test procedure C Note At the time of the test ensure that the tuning fork is free Procedure when it is not possible to approach the level and the device cannot be removed 1 Make a not...

Page 13: ...be used as part of a safety instrumented system The purpose of proof testing is to detect random device failures The impact of systematic errors on the safety function is not covered by this test and must be assessed separately Systematic errors can be caused for example by process material properties operating conditions buildup or corrosion z 26 d 26 b 28 d 18 b 20 d 18 b 20 FTL670 s z 26 d 26 b...

Page 14: ...rained by Endress Hauser to do so The replaced electronic insert must be sent to Endress Hauser for fault analysis Once the electronic insert has been replaced proof testing must be carried out 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 i...

Page 15: ...y and viscosity Proof test protocol Test procedure Please check Test stage 1 Is the LED for permanent self monitoring flashing 2 Initial status of the fail safe contact 3 Second status of the fail safe contact 4 Is the test procedure running correctly 5 Third status of the fail safe contact Result Proof test passed flashing closed open closed closed open yes closed Result OK unsuccessful A Approac...

Page 16: ...Liquiphant S Nivotester 16 Endress Hauser Technical report ManagementSummary ManagementSummary ...

Page 17: ...Liquiphant S Nivotester Endress Hauser 17 ManagementSummary ManagementSummary ...

Page 18: ...Liquiphant S Nivotester 18 Endress Hauser ManagementSummary ManagementSummary ...

Page 19: ...Liquiphant S Nivotester Endress Hauser 19 ManagementSummary ManagementSummary ...

Page 20: ...Liquiphant S Nivotester 20 Endress Hauser Certificate TUEV_Z10 03 11 20351 002 en ...

Page 21: ...Liquiphant S Nivotester Endress Hauser 21 ...

Page 22: ...Liquiphant S Nivotester 22 Endress Hauser ...

Page 23: ...Liquiphant S Nivotester Endress Hauser 23 ...

Page 24: ...uments International Endress Hauser Instruments International AG Kaegenstrasse 2 4153 Reinach Switzerland Tel 41 61 715 81 00 Fax 41 61 715 25 00 www endress com info ii endress com SD175F 00 EN 09 09 71103335 FM SGML 6 0 71103335 ...

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