Table of Contents
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Application Technique
Safety Function: Actuator Subsystems - Stop Category 1 via
the PowerFlex 525 and PowerFlex 527 Drives with Safe
Torque-off
Products: Guardmaster Dual-input Safety Relay, Guardmaster Multifunction-delay Expansion Module, PowerFlex 525 Drive,
PowerFlex 527 Drive
Safety Rating: CAT. 3, PLd to ISO 13849-1: 2008
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Table of Contents
Related Manuals for Allen-Bradley Guardmaster Dual-input Safety Relay
Summarization of Contents
General Safety and Introduction
Safety Function Realization: Risk Assessment
Determines the required performance level (PLr) for safety functions based on risk assessment.
Stop Safety Functions and Requirements
Safety-related Stop Function Initiated by Safeguard
Initiates a stop command when a guard door is opened to prevent access to hazardous areas.
Prevention of Unexpected Startup
Ensures hazardous motion cannot restart while guard door is open; requires a separate start action.
Setup and Wiring Overview
System Overview and Safety Function Implementation
Details system components and how safety functions are implemented via door monitoring and startup prevention.
Safety Distance and Stopping Performance
Safety Distance and Access Time Calculation
Defines safety distance and calculates access time based on approach speeds for hands.
Overall System Stopping Performance Requirements
Stipulates system stopping time must be less than access time for safe operation.
Electrical Schematics
PowerFlex 525 Circuit Diagram
Diagram illustrating the wiring and connections for the PowerFlex 525 drive in the safety circuit.
Configuration Procedures
Guardmaster Safety Relay and Expansion Module Configuration
Step-by-step guides for configuring Guardmaster dual-input safety relay and expansion module.
Drive Configuration and Performance Level Calculation
Configure PowerFlex 525/527 Drives and Calculate PL
Details drive parameters and the process for calculating the safety system's performance level.
Logic and Output Subsystems Calculation
SISTEMA Calculations for PowerFlex 525/527 Drives
Presents SISTEMA calculation results for the PowerFlex 525 and 527 drive safety function subsystems.
Verification and Validation Plan
Verification and Validation Checklist
A checklist for verifying component specifications and safety wiring configurations.
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