Validity; Important User Information - ABB AC500-S Safety User Manual

Introduction

Important user information

1.3 Validity

The data and illustrations found in this documentation are not binding. ABB reserves the right to modify its
products in line with its policy of continuous product development.
1.4 Important user information
This documentation is intended for qualified personnel familiar with Functional Safety. You must read and
understand the safety concepts and requirements presented in this Safety User Manual prior to operating
AC500-S Safety PLC system.
The following special notices may appear throughout this documentation to warn of potential hazards or to
call attention to specific information.
DANGER!
The notices referring to your personal safety are highlighted in the manual by this safety alert symbol,
which indicates that death or severe personal injury may result if proper precautions are not taken.
NOTICE!
This symbol of importance identifies information that is critical for successful application and under-
standing of the product. It indicates that an unintended result can occur if the corresponding informa-
tion is not taken into account.
10 AC500-S 30.03.2017