Related Manuals for Allen-Bradley 1756-LSP
Summarization of Contents
Important User Information
Safety Alerts and Hazards
Covers WARNING, ATTENTION, SHOCK, BURN, ARC FLASH hazard information.
Key Information Notes
Highlights important notes for user understanding and product application.
Chapter 1 Safety Integrity Level (SIL) Concept
SIL 3 Certification
Details type approval and certification for safety applications up to SIL CL3.
GuardLogix Architecture for SIL 3 Applications
Illustrates the typical SIL function and system components for SIL 3 applications.
System Reaction Time
Explains the total time from a safety event to the safe state output.
Chapter 2 GuardLogix Controller System
1756 GuardLogix Controller Hardware
Describes the primary controller and safety partner for SIL 3 capability.
1768 Compact GuardLogix Controller Hardware
Details the integrated primary and safety partner controllers for SIL 3 capability.
CIP Safety Protocol
Explains the protocol for safety-related communication using safety tags.
Chapter 5 Characteristics of Safety Tags, the Safety Task, and Safety Programs
Differentiate Between Standard and Safety
Explains the distinction between standard and safety-related components and logic.
SIL 3 Safety–the Safety Task
Details the characteristics, limitations, and requirements of the safety task.
Safety Tags
Describes safety tags, their attributes, and valid data types for SIL 3 integrity.
Chapter 6 Safety Application Development
Basics of Application Development and Testing
Outlines best practices for developing and testing SIL 3 safety applications.
Commissioning Life Cycle
Presents a flowchart of the steps required for commissioning a GuardLogix safety system.
Generate the Safety Task Signature
Explains the requirement and process for generating a unique safety task signature.
Chapter 7 Monitor Status and Handle Faults
Monitoring System Status
Describes how to view safety tag connections and device operating status.
GuardLogix System Faults
Categorizes and explains nonrecoverable and recoverable controller and safety faults.
Appendix C Reaction Times
System Reaction Time
Defines system reaction time and its calculation from safety chain components.
Factors Affecting Logix Reaction-time Components
Lists factors influencing reaction time, such as module delay and network traffic.
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