CONTENTS 3 EDITORS NOTE: Machine Safety Considerations 5 FESTO A Closer Look at Safety Valves and the Value of Performance Level E 9 PILZ Safety gate system and safe interlocking for a core cutter 13 OMRON: MACHINE SAFETY A Comprehensive Approach to identify, assess and control Safety Hazards 16 WIELAND The New Machine Safety Lifecycle Automation Canada is published for those working within the automation and control industry in Canada. This digital handbook provides valuable information to industry professionals on products and industry trends through featured articles, case studies, whitepapers and industry profiles. If you work in the automation and control industry Automation Canada has been developed to serve you. John Kerr, President johnkerr@kerrwil.com Owen Hurst, Managing Editor owenhurst@kerrwil.com Blake Marchand, Journalist blakemarchand@kerrwil.com Eileen Walsh, Ad Manager eileenwalsh@kerrwil.com Jillian Hardy, Graphic Designer jhardy@kerrwil.com