Rockwell Automation Allen-Bradley 440R-GL2S2T

Rockwell Automation Publication 440R-UM010C-EN-P - September 2016 5
Preface
Read this preface to familiarize yourself with the rest of the manual. It provides
information concerning:
• Who should use this manual
•The purpose of this manual
• Related documentation
• Conventions that are used in this manual
Summary of Changes
This manual contains the following new and updated information:
•The section Single Wire Safety (SWS) on page 21
was added.
• In the section Status Indicators During Diagnostics on page 30
, the
descriptions of Green with Flashing Red 3 Times and Green with
Flashing Red 4 Times were updated.
Who Should Use This Manual
Use this manual if you design, install, program, or troubleshoot control
systems that use the GLT safety relay.
You must have a basic understanding of electrical circuitry and familiarity with
safety-related control systems. If you do not, obtain the proper training before
using this product.
Purpose of This Manual
This manual is a reference guide for the GLT time delay safety relay and
accessories. It describes the procedures that you use to install, wire, and
troubleshoot your controller. This manual:
• Explains how to install and wire your safety relay
• Gives an overview of the GLT safety relay performance
Additional Resources
These documents contain additional information concerning related products
from Rockwell Automation.
You can view or download publications at
http://www.rockwellautomation.com/literature/
. To order paper copies of
technical documentation, contact your local Allen-Bradley distributor or
Rockwell Automation sales representative.
Resource Description
Industrial Automation Wiring and Grounding Guidelines,
publication 1770-4.1
Provides general guidelines for installing a
RockwellAutomation® industrial system.
Product Certifications website, http://www.ab.com Provides declarations of conformity, certificates, and
other certification details.
Allen-Bradley® Industrial Automation Glossary, AG-7.1 A glossary of industrial automation terms and
abbreviations.