Access data using PCS
- Last UpdatedAug 19, 2024
- 1 minute read
The PCS item syntax for an IData client to communicate with the Gateway Communication Driver is:
<OIServerScope>:<TopicName>.<ItemName>
-
OIServerScope: The syntax of the OI Server Scope is OIlt;OIServerInstanceName>lt;ComputerName>
where,
-
OI uniquely identifies the scope name as belonging to the OI Product line
-
$ is a separator in case the parts of the scope need to be parsed. The OIServerInstanceName and ComputerName must not contain $.
-
OIServerInstanceName is the instance of the Gateway Communication Driver as viewed in the OCMC.
-
ComputerName is the name of the machine on which the Gateway Communication Driver is running.
-
TopicName: A device group that is configured in the Gateway Communication Driver.
-
ItemName: The full name of the item required by the specific protocol of the Gateway Communication Driver where the item is being subscribed.
Note: You can configure the PCS Scope Name of a Communication Driver instance to any name of your choice in the Configuration node. Refer to "Configure client connectivity" in the AVEVA™ Communication Drivers Pack user guide for more details.