Real Time Diagnostics

  1. In
    FactoryTalk Administration Console
    Explorer
    , right-click an OPC UA Connector, and then select
    Properties
    .
  2. In , select
    Real Time Diagnostics
    .
Use
Real Time Diagnostics
 to view real-time diagnostic information for all OPC UA Servers connected to the selected OPC UA Connector. Diagnostic information for a specific OPC UA Server is shown on the
OPC UA Servers
 tab.
TIP:
If multiple OPC UA Connectors are configured on the same computer, the values on
Real Time Diagnostics
 equal the sum of the values for all OPC UA Connectors on the computer, and all OPC UA Connectors on a computer will show the same real-time diagnostics unless explicitly noted otherwise.
Only a small portion of diagnostic values is included in the
FactoryTalk Linx
OPC
 UA Connector interface. More detailed real-time diagnostics are available as predefined diagnostic items.

OPC Subscriptions

Diagnostic Name
Predefined Diagnostic Item
Description
Requested Groups
@OPC_SubscriptionQty
The number of subscription groups that the
FactoryTalk Linx
OPC
 UA Connector polls from all connected
OPC
 UA Servers.
Monitored Tags
@OPC_ItemsMonitoredQty
The number of tags in all subscriptions that
FactoryTalk Services Platform
 monitors for data from all connected
OPC
 UA Servers.
Tag Updates / Second
@OPC_ItemsUpdatedRate
The rate in seconds at which all connected
OPC
 UA Servers provide data to the
FactoryTalk Linx
OPC
 UA Connector.
Bad Quality Tags
@OPC_ItemsBadQualityQty
The number of tags with Bad quality provided by all connected
OPC
 UA Servers.
Failed Item Requests
@OPC_CommSubscriptionsFailedQty
The number of subscriptions that entered an error state for all connected
OPC
 UA Servers.

FactoryTalk Live Data

Diagnostic Name
Predefined Diagnostic Item
Description
Tag Requests
@DAQ_ItemsAddedQty
The number of tags requested by
FactoryTalk
 clients for tags provided by this
FactoryTalk Linx
OPC
 UA Connector.
Failed Tag Requests
@DAQ_ItemsAddFailureQty
The number of tags requested by
FactoryTalk
 clients for tags not provided by this
FactoryTalk Linx
OPC
 UA Connector.
Tag Updates / Second
@DAQ_ItemsPolledRate
The rate in seconds at which the
FactoryTalk
 system polls the
FactoryTalk Linx
OPC
 UA Connector for tag values.
Active Tags
@DAQ_ItemsActiveQty
The number of tags in the active state that
FactoryTalk
 clients request from an
OPC
 UA Server or all
OPC
 UA Servers connected to a
FactoryTalk Linx
OPC
 UA Connector. The value of the diagnostic item increases as tags are set active and decreases as items are set inactive.
Inactive Tags
@DAQ_ItemsDeactivatedQty
The number of tags set to the inactive state that
FactoryTalk
 clients request from all
OPC
 UA Servers connected to this
FactoryTalk Linx
OPC
 UA Connector. The value of the diagnostic item increases as tags are set inactive and decreases as items are set active.

OPC Write Operations

Diagnostic Name
Predefined Diagnostic Item
Description
Attempted Tag Writes
@OPC_ItemsWrittenQty
The number of tags that
FactoryTalk
 clients have attempted to write values.
Failed Tag Writes
@OPC_ItemsWrittenErrorsQty
The number of tags that
FactoryTalk
 clients have attempted and failed to write values.

OPC Server

Diagnostic Name
Predefined Diagnostic Item
Description
Tags Detected
@OPC_NamespaceTotalTagsInServerQty
The number of
OPC
 UA items in all
OPC
 UA Servers that have supported data types and are converted to
FactoryTalk
 tags.
Node IDs Detected
@OPC_NamespaceTotalNodesInServerQty
The number of
OPC
 UA items in all
OPC
 UA Servers.
Communications Errors
@OPC_CommConnectionFailedQty
The number of communications errors between the
FactoryTalk Linx
OPC
 UA Connector and all connected
OPC
 UA Servers.
Longest Processing Time (msec.)
@OPCtoDAQ_LongestTimeProcessingData_mSec
The longest amount of time in milliseconds that any connected
OPC
 UA Server spent processing data.
Sessions
@OPC_CommConnectionQty
The number of active sessions for all connected
OPC
 UA Servers. Increments by one when a session connection succeeds. Decrements by one when a session connection fails.
Performance Writes/Second
@OPC_ServerPerformanceWriteRate
The sum of all connected
OPC
 UA Server performance ratings, based on the amount of time required to write a node.
Performance Reads/Second
@OPC_ServerPerformanceReadRate
The sum of all connected
OPC
 UA Server performance ratings, based on the amount of time required to read a node.
Alarms Detected
@OPC_AlarmTotalAlarmConditionsQty
The number of alarms detected.
Alarms Bad Quality
@OPC_AlarmFaultedAlarmConditionsQty
The number of alarms with bad quality condition.
Alarms Active(happening)
@OPC_AlarmActiveAlarmConditionsQty
The number of active alarms.
Alarms Disabled
@OPC_AlarmDisabledAlarmConditionsQty
The number of alarms disabled. Disabling an alarm prevents the operator from being notified when the alarm condition occurs.
Alarms Acknowledged
@OPC_AlarmAckedAlarmConditionsQty
The number of alarms acknowledged. Acknowledging (Ack) an alarm does not correct the condition causing the alarm-it indicates that an operator is aware of the alarm.
Alarms Suppressed
@OPC_AlarmSuppressedAlarmConditionsQty
The number of alarms suppressed. Suppress an alarm that is not needed temporarily.
Alarms Shelved
@OPC_AlarmShelvedAlarmConditionsQty
The number of alarms shelved. Shelving an alarm temporarily suppresses it.

Connector Service

Diagnostic Name
Predefined Diagnostic Item
Description
Startup Time/Date
@DP_ServiceStartupTimestamp
The date and time when the
FactoryTalk Linx
OPC
 UA Connector service started.
Configured Endpoints
@DP_EndpointQty
The number of
OPC
 UA Servers added to the
FactoryTalk Linx
OPC
 UA Connector.
Active Endpoints
@OPC_CommConnectionQty
The number of
OPC
 UA Servers with active connections to the
FactoryTalk Linx
OPC
 UA Connector.
Failed Endpoints
N/A
The number of
OPC
 UA Servers with failed connections to the
FactoryTalk Linx
OPC
 UA Connector.

Others

Button
Predefined Diagnostic Item
Description
Reset Counters
@DP_CounterResetCmd
Sets all resettable counter values in all connected
OPC
 UA Servers to their default values.
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