Pepperl+Fuchs KFD2-CD-1.32 Series Manual Download Page 19 | Manualshive

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Functional Safety KFD2-CD-(Ex)1.32-**

Notes

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Summary of Contents for KFD2-CD-1.32 Series

Page 1: ...ISO9001 2 Functional Safety Current Voltage Driver KFD2 CD Ex 1 32 PROCESS AUTOMATION MANUAL...

Page 2: ...livery 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 rece...

Page 3: ...ces 7 2 3 Marking 8 2 4 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 1...

Page 4: ...ting 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 app...

Page 5: ...nd understood the instruction manual and the further documentation Intended Use The device is only approved for appropriate and intended use Ignoring these instructions will void any warranty and abso...

Page 6: ...e displayed in descending order as follows Informative Symbols Action This symbol indicates a paragraph with instructions You are prompted to perform an action or a sequence of actions Danger This sym...

Page 7: ...ety applications The device supplies 2 wire transmitters The device transfers a voltage or a current signal from the non hazardous area to I P converters electrical valves and positioners located in t...

Page 8: ...erl fuchs com KFD2 CD 1 32 KFD2 CD Ex1 32 0 KFD2 CD Ex1 32 1 KFD2 CD Ex1 32 3 KFD2 CD Ex1 32 6 KFD2 CD Ex1 32 10 KFD2 CD Ex1 32 12 KFD2 CD Ex1 32 13 KFD2 CD Ex1 32 15 KFD2 CD Ex1 32 21 Up to SIL 2 Fun...

Page 9: ...e 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 t...

Page 10: ...subtracted from the dangerous undetected failure rate du and regarded in a different way If a reaction is introduced that brings the application to the safe state then the failure rate fail high can...

Page 11: ...on the device version Reaction Time The reaction time for all safety functions is 50 ms Device Input signal Output signal KFD2 CD 1 32 KFD2 CD Ex1 32 0 0 mA to 20 mA 0 mA to 20 mA KFD2 CD Ex1 32 1 4 m...

Page 12: ...h a deviation of less than 2 voltage driver function HFT 0 SIL hardware 2 sd su 1 1 No effect failures and No part failures are not influencing the safety function and are therefore not included in th...

Page 13: ...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 percenta...

Page 14: ...at are suitable for this safety application 5 Check the safety function to ensure the expected output behavior 4 1 Installation Connecting the Field Device Connect the field device to the current volt...

Page 15: ...accordance with the 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 D...

Page 16: ...er the test Figure 5 1 Proof test set up for KFD2 CD Ex1 32 Usage in Zone 0 1 2 Div 1 2 only for KFD2 CD Ex1 32 Step No Input value Output value Current source mA Voltage source V Current sink mA Volt...

Page 17: ...s not work Take appropriate measures to protect personnel and equipment while the safety function is not available Secure the application against accidental restart 3 Do not repair a defective device...

Page 18: ...sed for calculation of SFF not part Probability of failure of components that are not in the safety loop total safety function Probability of failure of components that are in the safety loop HFT Hard...

Page 19: ...Functional Safety KFD2 CD Ex 1 32 Notes 2018 11 19...

Page 20: ...rl fuchs com 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 fu...

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