3
Contrinex Industrial Electronics
INTRODUCTION
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5
Contrinex ..............................................................................................5
Safetinex safety systems ......................................................................5
Active optoelectronic protective devices (AOPD) ...............................5
Safeguarding function ...................................................................6
Hazardous area .............................................................................6
AOPD detection capability ............................................................6
Advantages of AOPDs .........................................................................7
Operating principle ..............................................................................7
Certification of Safetinex products .......................................................8
EUROPEAN SAFETY STANDARDS
............................
8
Types of safety standards applicable in the EU ..................................8
Examples of safety standards ..............................................................9
An approach to European standards ...................................................9
The user side ......................................................................................10
Machine manufacturer side ...............................................................11
Notified bodies ...................................................................................11
NORTH AMERICAN SAFETY STANDARDS
.........
12
A different approach ..........................................................................12
OSHA Regulations and U.S. Consensus Standards ..........................12
North American Standards for safety issues: UL, ANSI and CSA .....13
American standard agencies ......................................................13
Canadian standard agencies .....................................................14
International standard agencies ........................................................14
RISK ASSESSMENT
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15
Definition of hazards and risk reduction strategy ..............................15
Risk assessment process ..................................................................15
Methods for determination of risk level ..............................................18
Determination of risk level in North America ...............................18
Determination of required performance level (PL
r
) .....................18
Specific standards for safety distance calculation .....................20
INSTALLATION
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20
Installation rules .................................................................................20
Positioning the AOPD ..................................................................20
Minimum safety distance required ..............................................21
Minimum safety distance calculation (EU)..................................22
Minimum safety distance calculation (US & Canada) ................24
OTHER COUNTRIES
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25
ACRONYMS
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TABLE OF CONTENTS