FactoryTalk Linx Gateway OPC UA diagnostics values

The following internal diagnostic values, counters and strings are made available by FactoryTalk Linx Gateway OPC UA server for diagnostic purposes. These diagnostic values track activity at the boundary between the OPC UA client and FactoryTalk Linx Gateway OPC UA server, and they are supported by FactoryTalk Diagnostics Counter Monitor.
The diagnostic counters display cumulative values since the FactoryTalk Linx Gateway OPC UA service initially starts. The diagnostic counters are reset only when the service is stopped and restarted.
The following table shows which counters are available at the server, client, and subscription levels.
Name
Type
Available at the server level
Available at the client level
Available at the subscription level
Activation
Value
Yes
No
No
Available Endpoints
Counter
Yes
No
No
Active Anonymous Connections
Counter
Yes
No
No
Active Connections
Counter
Yes
No
No
Active Secured Connections
Counter
Yes
No
No
Available Anonymous Connections
Counter
Yes
No
No
Available Connections
Counter
Yes
No
No
Certificate Revocation List
Value
Yes
No
No
Client Connect calls
Counter
Yes
No
No
Client Connections that failed after connecting
Counter
Yes
No
No
Client Disconnect calls
Counter
Yes
No
No
Count Against Activation
Counter
Yes
Yes
No
Count Against Activation Peak
Counter
Yes
No
No
Create Subscription calls
Counter
Yes
Yes
No
Data Change Reports
Counter
Yes
Yes
No
Data model Browse Requests
Counter
Yes
No
No
Failed Data Change Reports
Counter
Yes
Yes
No
Failed Reads
Counter
Yes
Yes
No
Failed Writes
Counter
Yes
Yes
No
Failed Writes due to Security
Counter
Yes
Yes
No
Failed to Create Subscription calls
Counter
Yes
Yes
No
Failed to Monitor Items
Counter
Yes
Yes
No
Failed to Remove Monitored Items
Counter
Yes
No
No
Failed to Remove Subscription calls
Counter
Yes
Yes
No
Issuer Certificate Store
Value
Yes
No
No
LDS Registered Status
Value
Yes
No
No
LDS Registration URL
Value
Yes
No
No
Maximum Anonymous Connections Setting
Counter
Yes
No
No
Monitor Item calls
Counter
Yes
Yes
No
Number of Subscriptions
Counter
Yes
Yes
No
Outgoing Public Certificate
Value
Yes
No
No
Read calls
Counter
Yes
Yes
No
Rejected Certificate Store
Value
Yes
No
No
Remove Monitored Item calls
Counter
Yes
Yes
No
Remove Subscription calls
Counter
Yes
Yes
No
Selected Scope
Counter
Yes
No
No
Service Name
Value
Yes
No
No
Service Start Timestamp
Value
Yes
No
No
Service Status
Value
Yes
No
No
Service Version
Value
Yes
No
No
Trusted Certificate Store
Value
Yes
No
No
Write calls
Counter
Yes
Yes
No
Authentication
Value
No
Yes
No
Client Connection Timestamp
Value
No
Yes
No
Client IP Adress
Value
No
Yes
No
Client Name
Value
No
Yes
No
Connected Endpoint
Value
No
Yes
No
Connected Security Mode
Value
No
Yes
No
Connected Security Policy
Value
No
Yes
No
Connection Timeout
Value
No
Yes
No
Last Toolkit Error Message
Value
No
Yes
No
Total Items in Subscription
Counter
No
Yes
No
Client Id
Value
No
Yes
No
Subscription Id
Value
No
No
Yes
Publishing Interval
Value
No
No
Yes
Total Items
Counter
No
No
Yes
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