Pepperl+Fuchs HiC2025, Manual

Page 1: ...ISO9001 2 Functional Safety SMART Transmitter Power Supply KCD2 STC Ex 1 SP Y1 HiC2025 Y1 PROCESS AUTOMATION MANUAL ...

Page 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 KCD2 STC Ex 1 SP Y1 HiC2025 Y1 ...

Page 3: ...ion 7 2 2 Interfaces 9 2 3 Marking 9 2 4 Standards and Directives for Functional Safety 9 3 Planning 10 3 1 System Structure 10 3 2 Assumptions 11 3 3 Safety Function and Safe State 12 3 4 Characteristic Safety Values 13 3 5 Useful Lifetime 14 4 Mounting and Installation 15 4 1 Configuration 15 5 Operation 16 5 1 Proof Test Procedure 16 6 Maintenance and Repair 19 7 List of Abbreviations 20 ...

Page 4: ...ubleshooting 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 examination certificate EU declaration of conformity Attestation of conformity Certificates Control drawings FMEDA report Assessment report Additional documents For more inform...

Page 5: ...e read and 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 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 specif...

Page 6: ...ssages are 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 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 se...

Page 7: ...5 SP version The devices are available with screw terminals or spring terminals The type code of the versions of the devices with spring terminals has the extension SP KCD2 STC Ex1 SP This isolated barrier is used for intrinsic safety applications The device supplies 2 wire transmitters in the hazardous area and can also be used with current sources The device transfers the analog input signal to ...

Page 8: ...rier is used for intrinsic safety applications The device supplies 2 wire transmitters in the hazardous area and can also be used with current sources The device transfers the analog input signal to the non hazardous area as an isolated current value Bi directional communication is supported for SMART transmitters that use current modulation to transmit data and voltage modulation to receive data ...

Page 9: ... standards and directives System specific standards and directives Note For corresponding connections see datasheet Pepperl Fuchs GmbH Lilienthalstraße 200 68307 Mannheim Germany Internet www pepperl fuchs com KCD2 STC 1 SP Up to SIL 2 KCD2 STC Ex1 SP Y1 HiC2025 Y1 Functional safety IEC EN 61508 part 1 2 edition 2000 Functional safety of electrical electronic programmable electronic safety related...

Page 10: ...sually 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 saf...

Page 11: ...od of time of 40 ºC may be assumed 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 fluctuations are expected The HART function is only used for configuration calibration and diagnostics not during operation The indication of a dangerous failure via fault bus is detected withi...

Page 12: ...h Settings HiC2025 Y1 Safe State In the safe state the following values must be reached at the output 3 6 mA or 21 5 mA 0 9 V or 5 375 V Reaction Time The reaction time for all safety functions is 20 ms Function S1 S2 S3 S4 Current source 4 mA to 20 mA II II I II Voltage source 1 V to 5 V II II I I Current sink 4 mA to 20 mA II I II II Table 3 1 Function S1 S2 S3 S4 Current source 4 mA to 20 mA OF...

Page 13: ...sment type Full assessment Device type A Mode of operation Low demand mode or high demand mode HFT 0 SIL 2 Safety function Signal transfer s 122 FIT dd 172 FIT du 45 FIT no effect 122 FIT total safety function 338 FIT not part 72 FIT SFF 86 8 MTBF 1 1 acc to SN29500 This value includes failures which are not part of the safety function MTTR 8 h 278 years PFH 4 45 x 10 8 1 h PFDavg for Tproof 1 yea...

Page 14: ...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...

Page 15: ...re on the side of the device 1 De energize the device before configuring the device 2 Remove the device 3 Configure the device for the required safety function via the DIP switches see chapter 3 3 4 Secure the DIP switches to prevent unintentional adjustments 5 Mount the device 6 Connect the device again Configuring the Devices with DIP Switches on the Front Side The device is configured via DIP s...

Page 16: ... 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 Digital multimeter with an accuracy better than 0 1 Use for the proof test of the intrinsic safety side of the device a special digital multimeter for intrinsically safe circuits If intrinsically safe circuits are op...

Page 17: ...connect the multimeter to terminals 1 and 2 Step No Input Output Input value mA Output value mA Output value for 2 wire Tx V Output value for 4 wire Tx V 1 20 00 20 00 0 4 15 2 0 4 4 7 0 5 2 12 00 12 00 0 4 17 0 0 4 4 7 0 5 3 4 00 4 00 0 4 18 9 0 4 4 7 0 5 4 1 1 The output shall detect a fail high or fail low condition 23 00 23 00 0 4 14 1 0 4 4 7 0 5 5 1 0 0 2 22 5 0 5 n a 6 12 00 Table 5 1 Steps...

Page 18: ...ply 1b SL2 5a 5b SL1 8a 7a Multimeter V Passive input Input sensor 4 wire Tx externally powered Active input Input sensor 2 wire Tx loop powered Logic solver analog input Current output or Voltage output or Current sink 24 V DC Power supply 4 mA to 20 mA 4 mA to 20 mA Tip The easiest way to test HiC devices is by using a stand alone HiCTB SCT termination board In this test it is not necessary to d...

Page 19: ...tion does 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 A defective device must only be repaired by the manufacturer 4 If there is a defect always replace the device with an original device Danger Danger to life from missing safety function Changes...

Page 20: ...is not used 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 Hardware Fault Tolerance MTBF Mean Time Between Failures MTTR Mean Time To Restoration PCS Process Control System PFDavg Average Probability of dangerous Failure on Demand PFH Average frequency of...

Page 21: ...Functional Safety KCD2 STC Ex 1 SP Y1 HiC2025 Y1 Notes 2018 08 21 ...

Page 22: ...2018 08 22 Functional Safety KCD2 STC Ex 1 SP Y1 HiC2025 Y1 Notes ...

Page 23: ...Functional Safety KCD2 STC Ex 1 SP Y1 HiC2025 Y1 Notes 2018 08 23 ...

Page 24: ...erl 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 fuchs com contact PROCESS AUTOMATION PROTECTING YOUR PROCESS DOCT 1596G 08 2018 ...