Related Manuals for Pepperl+Fuchs KFD0-CS 50 Series
Summary of Contents for Pepperl+Fuchs KFD0-CS 50 Series
- Page 1 PROCESS AUTOMATION MANUAL Functional Safety Current Driver/Repeater KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P)* ISO9001...
- Page 2 Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) With regard to the supply of products, the current issue of the following document is applicable: The General Terms of Delivery 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"...
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Page 3: Table Of Contents
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Content Introduction ........... 4 Content of this Document. -
Page 4: Introduction
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 information about Pepperl+Fuchs products with functional safety, see www.pepperl-fuchs.com/sil. -
Page 5: Safety Information
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Introduction Safety Information Target Group, Personnel Responsibility for planning, assembly, commissioning, operation, maintenance, and dismounting lies with the plant operator. Only appropriately trained and qualified personnel may carry out mounting, installation, commissioning, operation, maintenance, and dismounting of the product. The personnel must have read and understood the instruction manual and the further documentation. -
Page 6: Symbols Used
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Introduction Symbols Used This document contains symbols for the identification of warning messages and of informative messages. Warning Messages You will find warning messages, whenever dangers may arise from your actions. It is mandatory that you observe these warning messages for your personal safety and in order to avoid property damage. -
Page 7: Product Description
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Product Description Product Description Function KFD0-CS-*.50 This signal conditioner provides the galvanic isolation between field circuits and control circuits. The device can be used as a repeater or transmitter power supply for 2-wire transmitters. The device is loop powered. From the control side no additional power supply has to be connected. -
Page 8: Interfaces
2-channel devices: input I, input II, output I, output II • Non-safety-relevant interfaces: none Note! For corresponding connections see datasheet. Marking Pepperl+Fuchs GmbH Lilienthalstraße 200, 68307 Mannheim, Germany Internet: www.pepperl-fuchs.com KFD0-CS-1.50, KFD0-CS-2.50, KFD0-CS-2.51P Up to SIL 2 KFD0-CS-Ex1.50P, KFD0-CS-Ex2.50P, KFD0-CS-Ex1.51P, KFD0-CS-Ex2.51P... -
Page 9: Planning
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Planning Planning System Structure 3.1.1 Low Demand Mode of Operation If there are two control loops, one for the standard operation and another one for the functional safety, then usually the demand rate for the safety loop is assumed to be less than once per year. -
Page 10: Assumptions
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Planning Assumptions The following assumptions have been made during the FMEDA: • Failure rate based on the Siemens standard SN 29500. • Failure rates are constant, wear is not considered. • External power supply failure rates are not included. •... -
Page 11: Characteristic Safety Values
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Planning Characteristic Safety Values Parameters Characteristic values Assessment type and Full assessment documentation Device type Mode of operation Low Demand Mode or High Demand Mode Safety function Current driver Repeater 57 FIT 0 FIT 0 FIT 62 FIT ... -
Page 12: Useful Lifetime
As noted in DIN EN 61508-2:2011 note N3, appropriate measures taken by the manufacturer and plant operator can extend the useful lifetime. Our experience has shown that the useful lifetime of a Pepperl+Fuchs product can be higher if the ambient conditions support a long life time, for example if the ambient temperature is significantly below 60 °C. -
Page 13: Mounting And Installation
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Mounting and Installation Mounting and Installation Mounting and Installing the Device 1. Observe the safety 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. -
Page 14: Operation
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Operation Operation Danger! Danger to life from missing safety function If the safety loop is put out of service, the safety function is no longer guaranteed. • Do not deactivate the device. • Do not bypass the safety function. •... - Page 15 Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Operation Proof Test for Current Source Connection Proof Test Procedure 1. Disconnect the field circuit. 2. Check the device as shown in the following tables. 3. After check reset the device to the necessary settings. 4. Connect the field circuit again. 5.
- Page 16 Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Operation Proof Test for Load Resistor Connection Proof Test Procedure 1. Disconnect the field circuit. 2. Connect a current supply. Supply the device with a voltage of 30 V. 3. Connect a a load resistor of 700 . Set the current source to 20 mA. The output current must be 20.0 mA ±...
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Page 17: Maintenance And Repair
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Maintenance and Repair Maintenance and Repair Danger! Danger to life from missing safety function Changes to the device or a defect of the device can lead to device malfunction. The function of the device and the safety function is no longer guaranteed. Do not repair, modify, or manipulate the device. -
Page 18: List Of Abbreviations
Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) List of Abbreviations List of Abbreviations Emergency Shutdown Failure In Time in 10 FMEDA Failure Mode, Effects, and Diagnostics Analysis Probability of safe failure Probability of dangerous detected failure Probability of dangerous undetected failure ... - Page 19 Functional Safety KFD0-CS-(Ex)*.50(P), KFD0-CS-(Ex)*.51(P) Notes...
- Page 20 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 www.pepperl-fuchs.com Subject to modifications DOCT-4073 Copyright PEPPERL+FUCHS • Printed in Germany 12/2018...