Errata exists for this version of the document.
This SystemOffNormalAlarmType is raised by the Server when the Server’s Certificate is within the ExpirationLimit of expiration. This Alarm automatically returns to normal when the certificate is updated.
Table 77 – CertificateExpirationAlarmType definition
Attribute |
Value |
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BrowseName |
CertificateExpirationAlarmType |
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IsAbstract |
False |
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References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
ModellingRule |
Subtype of the SystemOffNormalAlarmType defined in clause 5.8.17.3 |
|||||
HasProperty |
Variable |
ExpirationDate |
DateTime |
PropertyType |
Mandatory |
HasProperty |
Variable |
ExpirationLimit |
Duration |
PropertyType |
Optional |
HasProperty |
Variable |
CertificateType |
NodeId |
PropertyType |
Mandatory |
HasProperty |
Variable |
Certificate |
ByteString |
PropertyType |
Mandatory |
ExpirationDate is the date and time this certificate will expire.
ExpirationLimit is the time interval before the ExpirationDate at which this Alarm will trigger. This shall be a positive number. If the property is not provided, a default of 2 weeks shall be used.
CertificateType – See OPC 10000-12 for definition of CertificateType.
Certificate is the certificate that is about to expire.