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Industry Links
Westlock products are designed to meet a range of industry standards and are certified and approved by regulatory agencies where required. For further information on standards and approvals you may find the following links useful.
IEC – International Electrotechnical Commission
IECEx hazardous area classifications:
http://www.iecex.com/about.htm
IEC certification:
http://iecex.iec.ch/iecex/iecexweb.nsf
Safety Integrity Levels (SIL):
http://www.iec.ch/functionalsafety
NFPA – National Fire
Protection Association
http://www.nfpa.org
ATEX (European Commission)
http://www.ec.europa.eu/enterprise/
sectors/atex/index_en.htm
NEMA – National Electrical
Manufacturers Association
http://www.nema.org
Network protocols
FieldComm Group
www.fieldcommgroup.org
Profibus
http://www.profibus.org
Modbus
http://www.modbus.org
DeviceNet
http://www.odva.org
