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.

Table 56 – DowntimeLogType Definition

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.