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Functional Safety KFD2-SH-Ex1(.T)(.OP), KHA6-SH-Ex1

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Pulscon LTC50 HART

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Содержание KFD2-SH-Ex1

Страница 1: ...PL d 3 Functional Safety Switch Amplifier KFD2 SH Ex1 T OP KHA6 SH Ex1 PROCESS AUTOMATION ORIGINAL INSTRUCTIONS ...

Страница 2: ... 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 recent version as well as the supplementary clause Expanded reservation of proprietorship Functional Safety KFD2 SH Ex1 T OP KHA6 SH Ex1 ...

Страница 3: ...2 3 Marking 8 2 4 Standards and Directives for Functional Safety 8 3 Planning 9 3 1 System Structure 9 3 2 Assumptions 9 3 3 Safety Function and Safe State 11 3 4 Characteristic Safety Values 12 3 5 Useful Life Time 14 4 Mounting and Installation 18 4 1 Configuration 18 5 Operation 19 5 1 Proof Test Procedure 19 6 List of evaluated Sensors 22 7 Maintenance and Repair 23 8 List of Abbreviations 24 ...

Страница 4: ...aintenance and repair Troubleshooting Dismounting Disposal The documentation consists of the following parts Present document Instruction manual Manual Datasheet Additionally the following parts may belong to the documentation if applicable EU type of examination EU declaration of conformity Attestation of conformity Certificates Control drawings FMEDA report Assessment report Additional documents...

Страница 5: ...structions 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 application described with specified environmental conditions with devices that are suitable for this safety application Improper Use Protection of the personnel and the plant is not ensured if the d...

Страница 6: ...n or a 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 cause personal injury or serious property damage Caution This symbol indicates a possible fault Non observance could interrupt the device and any connected systems and plants or result in their ...

Страница 7: ...ously monitored During an fault condition the fault indication output energizes and outputs I and II de energize For safety applications up to SIL 3 output I must be used For safety applications up to SIL 2 output I and output II can be used The device is designed for mounting on a 35 mm DIN mounting rail according to EN 60715 KFD2 SH Ex1 KHA6 SH Ex1 The input controls 1 relay contact output with ...

Страница 8: ...heim Germany Internet www pepperl fuchs com KFD2 SH Ex1 KFD2 SH Ex1 T KFD2 SH Ex1 T OP KHA6 SH Ex1 Up to SIL 3 Up to PL d Functional safety IEC EN 61508 part 1 2 edition 2010 Functional safety of electrical electronic programmable electronic safety related systems manufacturer Machinery Directive 2006 42 EC EN ISO 13849 part 1 edition 2015 Safety related parts of control systems manufacturer IEC E...

Страница 9: ...ually the demand rate for 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 system the SFF value Safe Failure Fraction the HFT architecture Hardware Fault Tolerance 3 1 3 Safe Failure Fraction The safe failure fraction describes the ratio of all safe...

Страница 10: ...IEC EN 60654 1 Class C sheltered location with temperature limits in the range of the manufacturer s specifications and an average temperature of 40 ºC over a long period The humidity level is within manufacturer s rating For a higher average temperature of 60 ºC the failure rates must be multiplied by a factor of 2 5 based on experience A similar factor must be used if frequent temperature fluctu...

Страница 11: ...0 3 For a SIL 2 application operating in high demand mode the total PFH value of the SIF should be smaller than 10 6 per hour hence the maximum allowable PFH value would then be 10 7 per hour Since the safety loop has a hardware fault tolerance of 0 and it is a type A device the SFF must be 60 according to table 2 of IEC EN 61508 2 for a SIL 2 sub system PL d application If you use output I of the...

Страница 12: ...an additional relay output that may by itself be used in applications up to SIL 2 KFD2 SH Ex1 T OP The devices have two outputs that can be used for the safety function Output I is an electronic output that may be used in applications up to SIL 3 or PL d Output II may be used in applications up to SIL 2 Line Fault Detection The input circuit of all versions is supervised The related safety functio...

Страница 13: ... when input in low state Output II is de energized when input in low state s 266 FIT 179 FIT du 0 6 FIT 51 9 FIT dd 76 8 FIT 50 4 FIT no effect 2 2 Annunciation failures are not directly influencing the safety functions and are therefore added to the no effect value 190 FIT 143 FIT total safety function 289 FIT 280 FIT SFF 99 8 81 MTBF 3 3 acc to SN29500 This value is calculated with the failure r...

Страница 14: ...w state Output II is de energized when input in low state s 237 FIT 203 FIT du 0 6 FIT 51 9 FIT dd 50 5 FIT 36 6 FIT no effect 2 2 Annunciation failures are not directly influencing the safety functions and are therefore added to the no effect value 215 FIT 156 FIT total safety function 288 FIT 291 FIT SFF 99 8 82 MTBF 3 3 acc to SN29500 This value is calculated with the failure rates of the devic...

Страница 15: ...oven in use 2 proven in use Safety function Output I is de energized when input in low state Output II is de energized when input in low state s 181 FIT 194 FIT du 1 4 FIT 51 6 FIT dd 38 4 FIT 38 4 FIT no effect 1 1 Annunciation failures are not directly influencing the safety functions and are therefore added to the no effect value 195 FIT 130 FIT total safety function 218 FIT 282 FIT SFF 99 4 81...

Страница 16: ...lid for components that have this constant domain and that the validity of the calculation is limited to the useful lifetime of each component It is assumed that early failures 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 lifetime based on general ex...

Страница 17: ...f switching cycles is depending on the electrical load and may be higher if reduced currents and voltages are applied 1 0 I A 2 30 100 50 20 10 200 U V 500 Resistive load AC Resistive load DC 0 5 0 2 0 1 Electrical life max 105 switching cycles 1 0 I A 2 30 100 50 20 10 200 253 U V 500 Resistive load AC Resistive load DC 0 5 0 2 0 1 Electrical life max 105 switching cycles 1 0 I A 2 48 100 50 20 1...

Страница 18: ...instructions in the instruction manual 2 Observe the information in the manual 3 Observe the requirements for the safety loop 4 Connect the device only to devices that are suitable for this safety application 5 Check the safety function to ensure the expected output behavior 4 1 Configuration A configuration of the device is not necessary and not possible ...

Страница 19: ... characteristic safety values See chapter 3 4 It is under the responsibility of the plant operator to define the type of proof test and the interval time period Equipment required Digital multimeter with an accuracy better than 0 1 For the proof test of the intrinsic safety side of the devices a special digital multimeter for intrinsically safe circuits must be used Intrinsically safe circuits tha...

Страница 20: ...f the off state is reached The input threshold must be between 2 1 mA and 2 8 mA The hysteresis must be between 170 µA and 250 µA measured with input multimeter and potentiometer If the input current is above the threshold the voltage output must be activated voltage level higher than 20 V DC T OP version only the relay contact output must conduct approx 24 mA over 1 k the yellow LED must be on 6 ...

Страница 21: ...150 kΩ RSC 220 Ω Multimeter Ω Multimeter Ω Multimeter I Multimeter I 24 V DC Multimeter Ω Multimeter I 1 kΩ 1W Multimeter I 24 V DC Supply Supply 24 V DC Power supply I supply Supply Bus Supply Supply 24 V DC Power supply I supply Supply Bus Zone 0 1 2 Div 1 2 Zone 2 Div 2 RLB 150 kΩ RSC 220 Ω 1 kΩ 1W KFD2 SH Ex1 T OP 4 6 9 10 11 12 7 8 II FLT I V Multimeter I Multimeter I Multimeter U Multimeter ...

Страница 22: ... 11 SN G M 1 1 M means different cable lengths in meter m NJ2 12GK SN NJ2 12GK SN M 1 NJ4 12GK SN NJ4 12GK SN M 1 NJ3 18GK S1N NJ3 18GK S1N M 1 NJ5 18GK SN NJ5 18GK SN M 1 NJ8 18GK SN NJ8 18GK SN M 1 NJ6 22 SN NJ6 22 SN G NJ6 22 SN G M 1 NJ5 30GK S1N NJ5 30GK S1N M 1 NJ10 30GK SN NJ10 30GK SN M 1 NJ15 30GK SN NJ15 30GK SN M 1 NJ6S1 U1 N1 NJ15S U1 N NJ20S U1 N NJ40 FP SN P1 SJ2 SN SJ2 S1N SJ3 5 SN ...

Страница 23: ... or replaced If the safety 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 defective device A defective device must only be repaired by the manufacturer 4 Replace a defective device only by a device of the same type Danger Danger to life from missing ...

Страница 24: ...ilure no effect Probability of failures of components in the safety path that have no effect on the safety function not part Probability of failures of components that are not in the safety path total safety function Safety function HFT Hardware Fault Tolerance MTBF Mean Time Between Failures MTTFd Mean Time To dangerous Failures MTTR Mean Time To Repair PFDavg Average Probability of Failure on De...

Страница 25: ...Functional Safety KFD2 SH Ex1 T OP KHA6 SH Ex1 Notes 2017 04 25 ...

Страница 26: ...2017 04 26 Functional Safety KFD2 SH Ex1 T OP KHA6 SH Ex1 Notes ...

Страница 27: ...Functional Safety KFD2 SH Ex1 T OP KHA6 SH Ex1 Notes 2017 04 27 ...

Страница 28: ...erl 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 representative closest to you check www pepperl fuchs com contact DOCT 2992B 04 2017 ...

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