ExplosionZoneOptionSet TOC Previous Next Specification

defines flags for the category of explosion zones for devices.

The fields of the ExplosionZoneOptionSet DataType are defined in the following table:

Name Bit No. Description
Zone 0 0 A zone in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is present continuously or for long periods or frequently.
Zone 1 1 A zone in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is likely to occur in normal operation occasionally.
Zone 2 2 A zone in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is not likely to occur in normal operation but, if it does occur, will persist for a short period only.
Zone 20 3 A zone in which an explosive atmosphere in the form of a cloud of combustible dust in air is present continuously, for long periods or frequently.
Zone 21 4 A zone in which an explosive atmosphere in the form of a cloud of combustible dust in air is likely to occur in normal operation occasionally.
Zone 22 5 A zone in which an explosive atmosphere in the form of a cloud of combustible dust in air is not likely to occur in normal operation but, if it does occur, will persist for a short period only.

The representation of the ExplosionZoneOptionSet DataType in the address space is shown in the following table:

Name Attribute
NodeId ns=1;i=3015
NamespaceUri http://opcfoundation.org/UA/Pumps/
BrowseName ExplosionZoneOptionSet
IsAbstract False
SubtypeOf OptionSet
Categories  

The references from the ExplosionZoneOptionSet DataType Node are shown in the following table:

Reference NodeClass BrowseName DataType TypeDefinition ModellingRule
HasProperty Variable OptionSetValues LocalizedText[] PropertyType Mandatory