18978-SmartGuard 600 Controllers Safety Reference

文件名称: 18978-SmartGuard 600 Controllers Safety Reference Manual.pdf

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详细说明：18978-SmartGuard 600 Controllers Safety Reference Manualpdf,18978-SmartGuard 600 Controllers Safety Reference ManualTable of contents Preface About This publication Who should Use This publication Understand terminology Conventions Additional res Chapter 1 Safety Concept of the SmartGuard Introduction 600 Controller Certification ntroduction to safety PFD and pfh calculated values afety network Number Configuration Signature Safety-lock with Password Protection Configuration and Programming 12 System reaction Time 15 Error Diagr Additional rcsources 15 Chapter 2 Controlller overview Introduction About the controller 17 Power Supply requirements .17 Communication Capabilities Status Indication Behavior for Power Supply Interruptions 19 Operating Mode Summary ..20 about the Safety Inputs 21 Input Channel mode settings Dual Channel Mode setting 22 Error Handling 22 about the Safety outputs 23 Output Channel Mode Settings 24 Dual Channel Mode Settings 24 Error handling 24 About the pulse test sources,,,.,,,26 Error handling Error Latch ti 26 about remote l/o 27 Remote I/O Area Attributes Status area Publication 1752-RM001B-EN-P-March 2007 4 Table of contents Chapter 3 Safety Application Development Introduction ·垂 29 Safety Concept Assumptions 29 Basics of Application Development and Testing 29 Establish a twork 30 Specification of the control function Configure devices on the safety Network 32 Program the application Verify the device Configurations 32 Reset devices Test. the application Lock all configured devices Change your application Program dit Your Project Chapter 4 System Performance and Reaction Introduction 37 T Imme Assumptions...,,,,,,,,,,,,,,,,, ···· ..37 Operational flow and cycle time 37 IO Refresh Cycle Time and Network Reaction Time .... 39 I/O Refresh Cycle Time ....39 Network reaction time 40 System Reaction Time Calculate reaction Time 41 Reaction Time Examples 43 Verify the reaction Time 7 Appendix Checklist for smartguard 600 Controllers ex Publication 1752-RM001B-EN-P-March 2007 Preface About this publication This manual explains how SmartGuard 600 controllers can be used in Safety Integrity Level(SIL)3 or Category(CAT)4 applications. It describes the Smart Guard 600-specific safety requirements and controller features, including PFD and PFH values, the safety network number(SNN), configuration signature, safety-locking, and project verification IMPORTANT You must read and understand the satety concepts and requirements presented in this manual prior to operating a SmartGuard 600 controller in a safety system Who should use this Use this manual if you are responsible for designing, installing Publication programming or troubleshooting control systems that use Smart Guard 600 controllers You must have a basic understanding of electrical circuitry and familiarity with relay logic. You must also be trained and experienced in the creation, operation, and maintenance of safety systems Understand Terminology The following table defines abbreviations used in this manual Abbreviation Full Term Definition 1002 One Out of two Refers to the behavioral design of a multi-processor system CIP Common Industrial protocol A communications protocol designed for industrial automation applications PC Personal Computer Computer used to interface with a control system via programming software PFD Probability of Failure on Demand The average probability of an operational system to fail to perform its design function on demand PFH Probability of Failure per hour The probability of an operational system to have a dangerous failure occur per hour Requested Packet Interval When communicating over a network, this is the expected rate in time for production of data SNN Satety Network Number A unique number that identifies a section of a safety network Standard Any object, task, tag, program, component, etc. in your project that is not a safety-related item that is, a standard controller refers generically to a ontrolLogⅸ controller) Publication 1752-RM001B-EN-P-March 2007 6 Preface Conventions The following conventions are used throughout this manual Bulleted lists, such as this onc, provide information, not procedural steps Numbered lists provide sequential steps or hierarchica nformatio Bold type is used for emphasis Additional resources This table provides a listing of publications that contain important information about Smart Guard 600 controller systcms For Read this document Publication Information on installing the SmarfGuard 600 contraller SmartGuard 600 Controller Installation Instructions1752-IN001 Information on configuring and operating a SmartGuard 600 SmartGuard 600 Controllers User Manual 1752-UMC01 controller Information on installing Guard I/0 Device Net Safety Modules DeviceNet Safety I/0 Installation Instructions 1791DS-NC0 Information on using Guard 1/0 DeviceNet Safety Modules Guard 1/0 DeviceNet Safety User Manual 1791DSUM001 If you would like a manual, you can o download a free electronic version from the internet at http://literature.rockwellautomation.com purchase a printed manual by contacting your local Allen-Bradley distributor or Rockwell Automation Sales office Pub ication 1752-RM001B-EN-P. March 2007 Chapter Safety Concept of the Smart Guard 600 Controller Introduction This chapter introduces you to the safety requirements and features of the SmartGuard 600 controller Topi agl Certification Introduction to Safety PFD and PFH Calculated Values Safety Network Number Contiguration Signature 10 Safety-lock with Password Protection Configuration and Programming 12 System Reaction Time Error Diagnostics 15 Additional resources Certification Certificate No. 968/EZ238.00/06 TUV Rheinland Group TUV Industric Scrvicc gmbH Automation, Software, and Informationstechnologie Safety restrictions can be found in this manual For a listing of TUV-certified product and software versions, refer to http://rockwellautomation.com/products/certification/safety/index.html Introduction to Safety The Smart Guard 600 controller is type-approved and certified for use in safety applications up to and including Safety Integrity Level (SIl)3 according to IEC 61508, and Category(CAT)4, according to en954-1 SIL requirements are based on the standards current at the time of certification The Tuv Rheinland Group has approved the Smart Guard 600 controller for use in safety applications in which the de-energized state is considered to be the safety state Publication 1752-RM001B-EN-P-March 2007 8 Safety Concept of the SmartGuard 600 Controller Hardware modules and software components that are not fail-safe, but do not cause any adverse reactions, can be used to process standard signals. Howcver, thcy cannot be uscd to carry out safcty tasks ATTENTION Limit the use of standard devices in your application to standard critical components. If you choose to use standard △ devices in a safety critical fashion, you must be sure that the system design meets SIL 3 requirements IMPORTANT You are responsible for the set-up, SIL rating and validation of any sensors or actuators connected to the system project management and functional testing access control to the safety system, including password handling. When apply ing Functional Safety, restrict access to qualified, authorized personnel who are trained and experlence programming the application software and the device configurations in accordance with the information in this safety reference manual and the smartguard 600 User Manual, publication 1752-UM001 PFD and pfh calculated IEC 61508 requires you to perform various functional verification Values (proof)tests of the equipment used in the system. The controller should be included in the functional-verification testing of the other components in the safety system The average probability of a system to fail to satisfactorily perform its safety function on demand is called probability of failure on demand (PFD). The probability of a system to have a dangerous failure occur per hour is called probability of failure per hour(PFH) Pub ication 1752-RM001B-EN-P. March 2007 Safety Concept of the SmartGuard 600 Controller 9 PFD and pfh calculations have been carried out for the Smartguard 600 controller in accordance with TEC 61508. These values must be calculatcd for the overall devices within the systcm to comply with the SIL required for the specific applicatior PFD and pfh calculations for smartguard 600 Controllers Functional Verification Test Interval (Years) PFD PFH 0.25 430E-07 393E-10 856E07 391E10 1.71E06 390E10 341E 389E-10 853E06 389E10 1.71E05 389E10 Safety Network Number The safety network number (snn) is a unique number that identifies the safety network sub-net. The SNN, in conjunction with the target's node address, enables a target to determine with high integrity whcther or not safcty connection requests it rcccives have rcached the correct destination Each end node in a DeviceNet Safety control system must have a unique node identifier This unique node reference for a DeviceNet Safety node is a combination of the snn and the node address of the nctwork devicc. It is used to prcciscly identify thc intended target device during configuration and I/O connection establishment Any device that originates a safety connection to another safety device must be configured with the snn of the target device The configuration software automatically assigns an snn, based on the date and time, when a new network configuration file is created For typical users, the automatic assignment of an SN is sufficient However, you can assign an SNn manually IMPORTANT If you assign an SNN manually, take care to ensure that system expansion does not result in duplication of snN and node address combinations Publication 1752-RM001B-EN-P- March 2007 10 Safety Concept of the SmartGuard 600 Controller Ⅳ PORTANT If you are using a device that has been used in another location, reset the device to the out-of-box configuration by right-clicking the device and choosing Reset Safety Device. Check the Safety Network Number checkbox and click oK Refer to the smartguard 600 Controllers User Manual publication 1752-UM001, for more information on safety reset ATTENTION If a safety project is copied to another project intended for a different hardware installation and that installation may reside within the same routable satety system, the snn must be changed to be sure that the snn is not repeated Configuration Signature The configuration signature defines the controller,s configuration. It can be read and monitored and is used to uniquely identify the controller's configuration in several operations During download from the configuration software, the configuration signature provides you with a means to check that the device and the configuration tool agree on the information downloaded During device replacement, the configuration signature lets you verify that the configuration in the software is the correct configuration. If the originator is used to automatically configure a devicc, the configuration signature indicates whcther reconfiguration is necessary and ensures the integrity of the operation During connection cstablishment, the originator and the target devices use the configuration signature to ensure that both devices agrcc on the devicc configuration The configuration signature is auto-generated by the configuration software when a Smart Guard 600 controller is added to the projcct Pub ication 1752-RM001B-EN-P. March 2007

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