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Scope: Core (OPC-10000-*) All specs

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OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.13.1.3 Monitoring mode

sampling interval. When a MonitoredItem is enabled (i.e. when the MonitoringMode is changed from DISABLED to SAMPLING or REPORTING ) or it is created in the enabled state, the Server shall
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.13.1.6 Triggering model

triggers the items to report. If the monitoring mode of the triggering item is DISABLED , then the triggering item does not trigger the items to report. If the monitoring mode ... publishing interval expires. If the monitoring mode of the item to report is DISABLED , then there will be no sampling of the item to report and therefore no notifications
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

4.2 Conditions

extended by vendors or other standardisation groups. The primary states of a Condition are disabled and enabled. The Disabled state is intended to allow Conditions to be turned ... addition of sub-states. Figure 1 - Base Condition state model A transition into the Disabled state results in a Condition Event however no subsequent Event Notifications are generated until
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

4.8 Alarms

optional sub-state. The shelved , out of service and suppressed states differ from the Disabled state in that Alarms are still fully functional and can be included in Subscription Notifications ... Client . A disabled Alarm is not processed in any manner, and is not supported as part of the active Alarm model defined in ISA 18.2. Alarms follow a typical timeline
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

4.10 Condition instances in the AddressSpace

Condition instances in the AddressSpace Because Conditions always have a state ( Enabled or Disabled ) and possibly many sub-states it makes sense to have instances of Conditions present
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.5.2 ConditionType

such results in the following specific behaviour: When the Condition instance enters the Disabled state, the Retain Property of this Condition shall be set to False by the Server ... Disable d. However, no Event Notifications will be generated while the Condition instance is disabled. For any Condition that exists in the AddressSpace the Attributes and the following Variables will
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.5.4 Disable Method

Disable Method The Disable Method is used to change a Condition instance to the Disabled state. Normally, the NodeId of the object instance as the ObjectId is passed
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.1 PubSubState state machine

enumeration values are described in Table 1 . Table 1 - PubSubState values Name Value Description Disabled 0 The PubSub component is configured but currently disabled. Paused 1 The PubSub component ... enabled but currently paused by a parent component. The parent component is either Disabled or Paused . Operational 2 The PubSub component is operational. Error 3 The PubSub component
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.11.1 Published data items

Uncertain_* Value 1 Uncertain_* Ignored Bad_* LastValue (b) Uncertain_LastUsableValue Value 1 Good_* Disabled Ignored Value 1 Good_* Value 1 Uncertain_* Value 1 Uncertain_* Ignored Bad_* Null Bad_* No message ... target values are updated once after a reader state change. OverrideValue Value 2 Disabled Paused Value 2 Good_LocalOverride LastUsableValue Ignored LastValue (b) Uncertain_LastUsableValue Disabled Ignored Null Bad_OutOfService
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.5 RemoveConnection Method (Deprecated)

DataSetWriter and DataSetReader Objects . Before the Objects are removed, their state is set to Disabled . The Client should be authorized to modify the configuration for the PubSub functionality when invoking
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.4.5.6 RemovePublishedDataSet Method

associated DataSetWriter Objects . Before the Objects are removed, their state is changed to Disabled . The Client shall be authorized to modify the configuration for the PubSub functionality when invoking this
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.5.5 RemoveGroup Method (Deprecated)

DataSetWriter or DataSetReader Objects . Before the Objects are removed, their state is set to Disabled . The Client should be authorized to modify the configuration for the PubSub functionality when invoking
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.6.5 RemoveDataSetWriter Method (Deprecated)

DataSetWriter Object from the group. The state of the DataSetWriter is set to Disabled before removing the Object . A successful removal of the DataSetWriter shall also delete the Reference from
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.6.11 RemoveDataSetReader Method (Deprecated)

DataSetReader Object from the group. The state of the DataSetReader is set to Disabled before the Object is removed. The Client should be authorized to modify the configuration
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.9.4.5 RemoveDataSetFolder Method

their associated DataSetReader Objects . Before the Objects are removed, their state is changed to Disabled . The Client shall be authorized to modify the configuration for the PubSub functionality when invoking
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.10.1 PubSubStatusType

Variable provides the current operational state of the PubSub Object . The default value is Disabled . The PubSubState Enumeration and the related state machine are defined in 6.2.1 . The State
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.10.2 Enable Method

Server shall reject Enable Method calls if the current State is not Disabled . The Client shall be authorized to modify the configuration for the PubSub functionality when invoking this Method ... Method Result Codes ResultCode Description Bad_InvalidState The state of the Object is not disabled. Bad_UserAccessDenied The Session user is not allowed to configure the Object . Table 308 specifies
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.10.3 Disable Method

Server shall reject Disable Method calls if the current State is Disabled . The Client shall be authorized to modify the configuration for the PubSub functionality when invoking this Method
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.11.2 PubSubDiagnosticsType

StatePausedByParent Mandatory Basic Information State changed to Paused state triggered by a paused or disabled parent. StateDisabledByMethod Mandatory Basic Information State changed to Disabled state triggered by Disable Method call
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

5.2.6 ModifyUser Method

modify a user in the user management of the Server. If the UserConfiguration bit Disabled is changed to TRUE, all Sessions and Subscriptions associated with the disabled user shall ... user of the Session used to call the Method is to be disabled, the Method shall fail with Bad_InvalidSelfReference . The Client shall use an encrypted channel and shall provide
OPC-10000-22 – OPC Unified Architecture - Part 22: Base Network Model

5.3.1.6 TsnStreamState Enumeration

configuration process of a TSN Talker or Listener. The default value is Disabled . The TsnStreamState Enumeration is defined in Table 28 . Table 28 - TsnStreamState Values Name Value Description Disabled ... related TSN Stream is currently disabled. Configuring 1 The related TSN Stream is in the process of receiving configuration parameters from the TSN Control Layer. Ready 2 The related