Page 10 - Arc Guard System - TVOC-2

10 ABB ARC GUARD SYSTEM™ – TVOC-2 INSTALLATION AND MAINTENANCE GUIDE

2.1 Introduction Table 2 Safety standards
Directive Description
This chapter describes the safety principles and IEC/61508 SIL 2 Functional safety of electrical
procedures to be used when working with the Arc Guard programmable electronic safety-
System™ or the Arc Monitor. It does not cover how related systems
02
to design for safety nor how to install safety related IEC/EN 60947-1 Low voltage switchgear and
equipment. The chapter first presents applicable safety contractor - General
standards. Finally the chapter finishes with information IEC/EN 60947-5-1 Low voltage switchgear and
about how to work in safety manner. contractor - Control circuit devices
and switching elements
IEC/EN 61010-1 Safety requirements for electrical
2.2 Applicable safety standards equipment
IEC 61000-6-2 (2005) Electromagnetic compatibility (EMC)-
Immunity for industrial
2.2.1 Safety standards environments
IEC 61000-6-4 (2006) Electromagnetic compatibility (EMC)
- Emission standard for industrial
This product was developed, designed and certified with environments
regard to improved reliability and integrity by using safety IEC 61326-1 (2005) Electrical equipment for measurement
principles and structures according to IEC 61508, SIL2. IEC 61326-3-1 and control Electrical equipment,
control and laboratory use (EMC)
The Arc Monitor has improved safety to fulfill the safety IEC TS 61000-6-5 Electromagnetic compatibility -
standards specified in the following directives: immunity power stations
and substation environments
Table 1 Safety standards
Directive Description 2.3 Safety signs
2006/95/EC Low voltage equipment
2004/108/EC Electromagnetic compatibility This section specifies all dangers that may arise from
performing the work detailed in the manual.
2.2.2 Personal safety WARNING
Caution symbol indicates the presence of a
INFORMATION hazard which could result in personal injury.
This product has been designed for environment WARNING
A. Use of this product in environment B may Warning symbol indicates the presence of
cause unwanted electromagnetic disturbances a hazard which could result in damage to
in which case the user may be required to take equipment or property.
adequate mitigation measures.

Make sure that the supply voltage has been switched off
• Environment A relates to low-voltage non public before connecting!
or industrial networks, locations and installations Working with high voltage is potentially lethal. Persons
including highly disturbing sources.
subjected to high voltage may suffer cardiac arrest, burn
• Environment B relates to low-voltage public networks injuries, or other severe injuries. To avoid these hazards,
such as domestic, commercial and light industrial do not proceed working before removing the power to the
locations, installations. Highly disturbing sources such Arc Guard System.
as arc welders are not covered by this environment.
Arc Guard System™ and Arc Monitor are designed
to protect people and installation equipment. Install
To ensure safety and quality the Arc Monitor has been your system components and Arc Monitor before
tested according to the following standards: supplying power.
DIP switches are used to activate Current Sensing Unit
(CSU-2), auto reset and assigning trip contacts. Changing
DIP switch can cause consequences with the Arc Guard
System.
Make sure you understand the consequences of changing
DIP switches.

More information regarding DIP switches,
See: “DIP switches” on page 29.
INFORMATION
Information sign alerts the reader to relevant
facts and conditions.