Related Manuals for Pepperl+Fuchs KCD2-SCD Series
Summary of Contents for Pepperl+Fuchs KCD2-SCD Series
- Page 1 PROCESS AUTOMATION MANUAL Functional Safety SMART Current Driver KCD2-SCD-(Ex)1(.SP), HiC2031 ISO9001...
- Page 2 Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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"...
-
Page 3: Table Of Contents
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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 KCD2-SCD-(Ex)1(.SP), HiC2031 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 further documentation. -
Page 6: Symbols Used
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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
Product Description Product Description Validity This manual is only valid for devices with a part number greater than #321000. Contact your Pepperl+Fuchs representative for information about older devices. Function KCD2-SCD-1(.SP) This signal conditioner provides the galvanic isolation between field circuits and control circuits. -
Page 8: Interfaces
Safety relevant interfaces: input I, output I • Non-safety relevant interfaces: none The HART communication is not relevant for functional safety. Note! For corresponding connections see datasheet. Marking Pepperl+Fuchs GmbH Lilienthalstraße 200, 68307 Mannheim, Germany Internet: www.pepperl-fuchs.com KCD2-SCD-1(.SP) Up to SIL 2 KCD2-SCD-Ex1(.SP) HiC2031... -
Page 9: Planning
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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 KCD2-SCD-(Ex)1(.SP), HiC2031 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: Safety Function And Safe State
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 Planning Safety Function and Safe State Safety Function The safety function of the device is fulfilled, as long as the output repeats the input current (4 mA ... 20 mA) with a tolerance of 2 %. Safe State The safe state is present when the output current is <... -
Page 12: Characteristic Safety Values
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 Planning Characteristic Safety Values Parameters Characteristic values Assessment type Full assessment Device type Mode of operation Low demand mode or high demand mode SIL (SC) 2 (2) Safety function Transfer of the analog signals 0 FIT ... -
Page 13: Useful Lifetime
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 Planning Useful Lifetime Although a constant failure rate is assumed by the probabilistic estimation this only applies provided that the useful lifetime of components is not exceeded. Beyond this useful lifetime, the result of the probabilistic estimation is meaningless as the probability of failure significantly increases with time. -
Page 14: Mounting And Installation
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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 15: Operation
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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 16 Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 Operation Proof Test Procedure 1. Put out of service the entire safety loop. Protect the application by means of other measures. 2. Prepare a test set-up, see figures below. 3. Test the devices. Verify the current values as given in table below. 4.
- Page 17 Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 Operation Multimeter Multimeter (mA) HiC2031 Multimeter (mA ) 4 mA to 20 mA 4 mA to 20 mA supply 24 V DC 1a, 1b Power supply 2a, 2b Termination Board Zone 0, 1, 2 Zone 2 Div.
-
Page 18: Maintenance And Repair
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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 19: List Of Abbreviations
Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031 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 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-6394 Copyright PEPPERL+FUCHS • Printed in Germany 03/2019...