FactoryTalk Linx Gateway OPC DA diagnostics values

The following internal diagnostic values, counters and strings are made available by

FactoryTalk Linx Gateway

OPC DA server for diagnostic purposes. These diagnostic values track activity at the boundary between the OPC DA client and

FactoryTalk Linx Gateway

OPC DA server, and they are supported by

FactoryTalk Diagnostics Counter Monitor

The diagnostic counters display cumulative values since the

FactoryTalk Linx Gateway

OPC DA service initially starts. The counters are reset only when the service is stopped and restarted.

The table shows which diagnostic counters are available at the server, client, and group levels.

Name	Type	Available at the provider level	Available at the client level	Available at the group level
ASync Read Complete calls	Value	Yes	Yes	No
ASync Read calls	Counter	Yes	Yes	No
ASync Write Complete calls	Counter	Yes	Yes	No
ASync Write Calls	Counter	Yes	Yes	No
Activation	Counter	Yes	No	No
ActiveItemsCount	Counter	No	No	Yes
Add Group calls	Counter	Yes	Yes	No
Add Item calls	Counter	Yes	Yes	No
Callbacks to Process	Counter	Yes	Yes	No
Client Connect calls	Counter	Yes	No	No
Client Disconnect calls	Counter	Yes	No	No
Count Against Activation	Counter	Yes	No	No
Count Against Activation Peak	Counter	Yes	No	No
Data Callbacks	Counter	Yes	Yes	No
Duplicate items	Counter	Yes	No	No
Failed Async Completes	Counter	Yes	No	No
Failed Callbacks	Counter	Yes	No	No
Failed Writes	Counter	Yes	Yes	No
Failed Writes due to Security	Counter	Yes	Yes	No
Failed to Add Items	Counter	Yes	Yes	No
Get Status calls	Counter	Yes	Yes	No
InactiveItemCount	Counter	No	No	Yes
LicenseCount	Counter	Yes	No	No
LicenseName	Value	Yes	No	No
Name	Value	No	Yes	Yes
Optimized Groups	Counter	Yes	No	No
Optimized Items	Counter	Yes	No	No
Remove Group calls	Counter	Yes	Yes	No
Remove Item calls	Counter	Yes	Yes	No
Selected Scope	Counter	Yes	No	No
Service Status	Value	Yes	No	No
State	Value	No	No	Yes
Sync Read calls	Counter	Yes	Yes	No
Sync Write calls	Counter	Yes	Yes	No
UpdateRate	Counter	No	No	Yes

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