Allen-Bradley PowerFlex 525 Application Technique

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
Topic Page
Important User Information 2
General Safety Information 3
Introduction 3
Safety Function Realization: Risk Assessment 3
Stop Safety Functions 4
Safety Function Requirements 4
Functional Safety Description 5
Bill of Material 6
Setup and Wiring 6
Configuration 11
Calculation of the Performance Level 13
Verification and Validation Plan 17
Additional Resources 22

Allen-Bradley PowerFlex 525 Specifications

General

Horsepower	0.5-30 HP
kW	0.4-22 kW
Input Voltage	200-240V AC, 380-480V AC
Enclosure	IP20, NEMA/UL Type 1
Communications	EtherNet/IP
Control Methods	V/Hz, Sensorless Vector
STO	Safe Torque Off (STO)
Output Voltage	0-Input Voltage
Operating Temperature	-20°C to 50°C (-4°F to 122°F)
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Relative Humidity	5-95% non-condensing
Dimensions	Varies by model
Weight	Varies by model