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PROCESS AUTOMATION –
PROTECTING YOUR PROCESS

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Fuchs GmbH
68307 Mannheim · Germany
Tel. +49 621 776-0
E-mail: [email protected]

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DOCT-5022

03/2016

Содержание KFD2-SR3-2.2S

Страница 1: ...Functional Safety Switch Amplifier KFD2 SR3 Ex 2 2S PROCESS AUTOMATION MANUAL ISO9001 2...

Страница 2: ...ivery for Products and Services of the Electrical Industry published by the Central Association of the Electrical Industry Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its most recen...

Страница 3: ...Standards and Directives for Functional Safety 8 3 Planning 9 3 1 System Structure 9 3 2 Assumptions 10 3 3 Safety Function and Safe State 11 3 4 Characteristic Safety Values 12 3 5 Useful Lifetime 1...

Страница 4: ...osal The documentation consists of the following parts Present document Instruction manual Manual Datasheet Additionally the following parts may belong to the documentation if applicable EC type of ex...

Страница 5: ...ons will void any warranty and absolve the manufacturer from any liability The device is developed manufactured and tested according to the relevant safety standards Use the device only for the applic...

Страница 6: ...sequence of actions Danger This symbol indicates an imminent danger Non observance will result in personal injury or death Warning This symbol indicates a possible fault or danger Non observance may c...

Страница 7: ...according to EN 60715 KFD2 SR3 2 2S This signal conditioner provides the galvanic isolation between field circuits and control circuits The device transfers digital signals NAMUR sensors or dry conta...

Страница 8: ...ctives Pepperl Fuchs GmbH Lilienthalstra e 200 68307 Mannheim Germany KFD2 SR3 2 2S KFD2 SR3 Ex2 2S Up to SIL 2 Functional safety IEC EN 61508 part 1 7 edition 2010 Functional safety of electrical ele...

Страница 9: ...this safety loop is assumed to be higher than once per year The relevant safety parameters to be verified are the PFH value Probability of dangerous Failure per Hour Fault reaction time of the safety...

Страница 10: ...equent temperature fluctuations are expected The fault indication output which signals if the field circuits are broken or shorted is not considered in the FMEDA and the calculations The indication of...

Страница 11: ...ety function enable the line fault detection The input loop of all versions is supervised The related safety function is that the outputs go to fault state safe state if a line fault is detected React...

Страница 12: ...or high demand mode HFT 0 SIL SC 2 Safety function Normal inverted operation s 1 145 FIT dd 4 1 FIT du 73 FIT total safety function 1 1 No effect failures and Annunciation failures are not influencin...

Страница 13: ...lures are detected to a huge percentage during the installation and therefore the assumption of a constant failure rate during the useful lifetime is valid However according to IEC EN 61508 2 a useful...

Страница 14: ...tion to ensure the expected output behavior 4 1 Configuration Configuring the Device The device is configured via DIP switches The DIP switches for setting the safety functions are on the front of the...

Страница 15: ...of the plant operator to define the type of proof test and the interval time period Equipment required Digital multimeter with an accuracy of 0 1 Use for the proof test of the intrinsic safety side o...

Страница 16: ...nput The device must detect an external fault This state is indicated by red LED and the relay of the corresponfding output must be de activated 3 Test the outputs with a certain current i e 100 mA an...

Страница 17: ...y loop does not work without the device shut down the application Do not restart the application without taking proper precautions Secure the application against accidental restart 3 Do not repair a d...

Страница 18: ...lculation of SFF not part Probability of failure of components that are not in the safety loop total safety function Safety function HFT Hardware Fault Tolerance MTBF Mean Time Between Failures MTTR M...

Страница 19: ...Functional Safety KFD2 SR3 Ex 2 2S Notes 2016 03 19 Pulscon LTC50 HART...

Страница 20: ...rl fuchs com PROCESS AUTOMATION PROTECTING YOUR PROCESS Worldwide Headquarters Pepperl Fuchs GmbH 68307 Mannheim Germany Tel 49 621 776 0 E mail info de pepperl fuchs com For the Pepperl Fuchs represe...