6 OPC UA ObjectTypes ToC Previous Next

6.19 LogbookEvent ToC Previous Next

6.19.6 DowntimeLogType ToC Previous Next

The DowntimeLog event captures the complete information about the downtime which is logged when the stop reason is not any more active, i.e. after a clear/reset command. The root cause, as identified by the user, is also reported for downtimes longer than a microstop.

Attribute Value        
BrowseName DowntimeLogType        
IsAbstract False        
References Node Class BrowseName DataType TypeDefinition Modelling Rule
Subtype of LogbookEventType          
HasProperty Variable Duration Duration PropertyType Mandatory
HasProperty Variable RootCause_s MessageType[ ] PropertyType Optional
HasProperty Variable StopReason_s MessageType[ ] PropertyType Mandatory

The MessageType DataType is defined in Table 13.

The Duration Property represents the duration (in seconds) of the downtime computed from the time the root cause is active to the time when it is not active any more.

The StopReason_s Property represents a list of one or more reasons generated by the control system for the logged downtime.

The RootCause_s Property represents a list of the root causes of the downtime, as identified and entered by the user. The user can enter a root cause for any downtime, it is mandatory to enter a root cause for downtimes longer than a microstop when the machine module is configured in such a way.

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