Eaton Crouse-Hinds Series Safety Manual
Solenoid / alarm drivers
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Also See for Crouse-Hinds Series:
- Instruction manual (114 pages) ,
- Operating instructions manual (44 pages) ,
- Technical manual (32 pages)
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Safety manual
MTL intrinsic safety solutions
MTL4500/MTL5500 range
Solenoid / Alarm Drivers
MTL4521, 4521L, 5521, 5522, 4523L, 5525
MTL4523, 4523R, 4523V, 4523VL, 4523Y, 5523V, 523VL,
MTL5523, 5524, 4524, 4524S, 4525
FUNCTIONAL SAFETY MANAGEMENT
FSM
These products are for use as elements within a Safety System conforming to the requirements of
FUNCTIONAL SAFETY
MANAGEMENT
IEC61508:2010 or IEC61511-1:2016 and enable a Safety Integrity Level of up to SIL3 to be achieved for the instrument
loop in a simplex architecture.
IEC 61508:2010
Eaton Electric Ltd, Luton is a certified Functional Safety Management company meeting the requirements of IEC61508 Part1:clause 6
* Refer to content of this manual for details
DRAFT - 26 March 2015
June 2017
SM45-55-SAD Rev 3
*
SIL
SIL
3
2
IEC 61508:2010
IEC 61508:2010
HFT = 0
HFT = 0
LOOP-POWERED
SEPARATELY-POWERED
MODULES
MODULES
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Table of Contents
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Summary of Contents for Eaton Crouse-Hinds Series
- Page 1 IEC61508:2010 or IEC61511-1:2016 and enable a Safety Integrity Level of up to SIL3 to be achieved for the instrument loop in a simplex architecture. IEC 61508:2010 Eaton Electric Ltd, Luton is a certified Functional Safety Management company meeting the requirements of IEC61508 Part1:clause 6 * Refer to content of this manual for details...
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Page 2: Table Of Contents
Specifically, the data sheet, instruction manual and applicable certificates for the particular MANAGEMENT IEC 61508:2010 product should be consulted, all of which are available on the MTL web site. In the interest of further technical developments, Eaton reserve the right to make design changes. Hardware Fault Tolerance (HFT) † Module type... -
Page 3: Introduction
DRAFT - 26 March 2015 INTRODUCTION Application and function The MTL452x and MTL552x are isolator modules which enable a device located in the hazardous area to be controlled from the safe area. Some models are simply loop-powered while others have additional input logic signals to enable power to be supplied to the output. -
Page 4: System Configuration
DRAFT - 26 March 2015 System configuration An MTLx52x loop-powered module may be used in single-channel (1oo1) safety functions up to SIL3 and an MTLx52x separately powered module may similarly be used up to SIL2 where the safe state is to de-energise the output. -
Page 5: Assessment Of Functional Safety
DRAFT - 26 March 2015 Note: When using the modules that are not loop-powered it is important that the solenoids being driven be chosen to ensure that the residual field current that flows in the module OFF state does not cause the solenoid to remain energised. - Page 6 DRAFT - 26 March 2015 The above failure rates apply to the hazardous area output only. The line fault detection function is not included in these figures. • FITs means failures per 10 hours or failures per thousand million hours. •...
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Page 7: Systematic Safety Integrity
DRAFT - 26 March 2015 Systematic Safety Integrity The design features and techniques/measures used to avoid systematic faults give the MTLx52x modules a systematic safety integrity measure of SC 3. Note: Earlier versions of this manual (Revisions 1 & 2) inferred a systematic safety integrity for MTLx52x modules of SC 2. -
Page 8: Installation
DRAFT - 26 March 2015 Installation There are two particular aspects of safety that must be considered when installing the MTL4500 or MTL5500 modules and these are: • Functional safety • Intrinsic safety Reference must be made to the relevant sections within the instruction manual for MTL4500 range (INM4500) or MTL5500 range (INM5500) which contain basic guides for the installation of the interface equipment to meet the requirements of intrinsic safety. -
Page 9: Appendices
DRAFT - 26 March 2015 Appendices Appendix A: Summary of applicable standards The annex lists together all standards referred to in the previous sections of this document: IEC 61508:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems. Parts 1 and 2 as relevant. EN 61131-2:2003 Programmable controllers –... - Page 10 DRAFT - 26 March 2015 Appendix B: Proof Test Procedure, MTL45/5500 Digital Output Modules Example MTLx521 Proof Test Procedure Solenoid driver module Proof Test Procedure: System - Normal operation test Input /Output characteristic functional safety test System - Normal operation test 1.
- Page 11 DRAFT - 26 March 2015 b) Powered modules: MTLx523, 4523R, x523V, x523VL, x524, 4524S, 4525 MTLx523V/VL Control – – – Figure 2 Basic test arrangement - separately powered During testing, the power supply, Vs - nominal 24.0V, min/max. range 20.0 to 35.0V - should be connected between terminals 13 and 14 (+ve to terminal 14).
- Page 12 DRAFT - 26 March 2015 Loop Powered Modules: Date: ______/______/__________ Supply voltage Vs: ______________V dc Module type: _________________ Serial No: ______________________________ Test step # Description Actual Target Output voltage, off state Output voltage, on state 21.4 to 24V Output current, off state Output current, on state >48mA and <76mA Separately Powered Modules:...
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- Page 16 Cooper Electric (Shanghai) Co. Ltd 955 Shengli Road, Heqing Industrial Park SINGAPORE Pudong New Area, Shanghai 201201 Eaton Industries Pte Ltd 100G Pasir Panjang Road, Interlocal Centre Tel: +86 21 2899 3817 Fax: +86 21 2899 3992 #07-08 Singapore 118523 E-mail: mtl-cn@eaton.com...