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11 result(s) for Shelving

• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  3.1.18 Shelving
  Shelving facility where the Operator is able to temporarily prevent an Alarm from being displayed to the Operator when it is causing the Operator a nuisance Note 1 to entry
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.8 Alarms
  AcknowledgeableConditions that add the concepts of an Active state and other states like Shelving state and Suppressed state to a Condition . The state model is illustrated in Figure ... high level state as well as a critically high state (see following Clause). The shelving state can be set by an Operator via OPC UA Methods . The suppressed state
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.2 AlarmConditionType
  value is expressed as duration. Systems can use this Property to prevent permanent Shelving of an Alarm. If this Property is present, it will be an upper limit
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.17.1 Overview
  This model is illustrated in Figure 17 . The state model supports two types of Shelving : OneShotShelving and TimedShelving . They are illustrated in Figure 16 . The illustration includes the allowed transitions ... between the various sub-states. Shelving is an Operator initiated activity. In OneShotShelving , a user requests that an Alarm be Shelved for its current Active state or if not Active
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.17.2 Unshelve Method
  instance of AlarmConditionType to the Unshelved state. Normally, the MethodId found in the Shelving child of the Condition instance and the NodeId of the Shelving object as the ObjectId ... specifying ConditionId as the ObjectId where the ConditionId is the Condition that has Shelving child . The Method cannot be called with an ObjectId of the ShelvedStateMachineType Node . Signature Unshelve(); Method
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.17.4 TimedShelve Method
  result codes are described in Table 82 ). Normally, the MethodId found in the Shelving child of the Condition instance and the NodeId of the Shelving object as the ObjectId ... specifying ConditionId as the ObjectId where the ConditionId is the Condition that has the Shelving child . The Method cannot be called with an ObjectId of the ShelvedStateMachineType Node . This Method
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.17.5 TimedShelve2 Method
  refuse the provided duration. If a MaxTimeShelved Property exist on the Alarm than the Shelving time shall be less than or equal to the value of this Property. Comment ... allowed length for the comment or is invalid in some other manner. Comments Shelving for some time is quite often used to block nuisance Alarms . For example, an Alarm that
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.17.6 OneShotShelve Method
  instance of AlarmConditionType to the OneShotShelved state. Normally, the MethodId found in the Shelving child of the Condition instance and the NodeId of the Shelving object as the ObjectId ... specifying ConditionId as the ObjectId where the ConditionId is the Condition that has the Shelving child . The Method cannot be called with an ObjectId of the ShelvedStateMachineType Node . This Method
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.10.8 AuditConditionShelvingEventType
  AuditConditionShelvingEventType This EventType is used to indicate a change to the Shelving state of a Condition instance. It is formally defined in Table 128 . Table 128 - AuditConditionShelvingEventType definition Attribute Value ... that is, inheriting the InstanceDeclarations of that Node. ConformanceUnits A & C Shelving Auditing If the Method indicates a TimedShelve operation, the ShelvingTime field shall contain duration for which
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.13 Alarm & Condition status codes
  Server . Bad_RefreshInProgress A ConditionRefresh operation is already in progress. Bad_ShelvingTimeOutOfRange The provided Shelving time is outside the range allowed by the Server for Shelving
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  Annex C Mapping to EEMUA (Informative)
  applied to a standing (UA = active) Alarm in a similar way to which Shelving is applied. A released Alarm is temporarily removed from the Alarm list ... current Alarm display" the Condition /Branch would be removed from the display" Shelving Shelving Shelving is a facility where the Operator is able to temporarily prevent an Alarm