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Interface OpcuaIoSourceOptions

Configuration options for the OpcuaIoSourceController to be defined on the opcuaIoSourceOptions property.

Defines IO sources for an OpcuaIoSourceController. The given IO source objects are associated with monitored OPC UA items as defined by the OpcuaOptions.dataSources property of this interface.

Example:

const opcuaIoSourceOptions: OpcuaIoSourceOptions = {
    endpointUrl: "opc.tcp://139.23.56.3:4334/UA/Producer",
    connectionOptions: { ... },
    dataSources: {
        "PLC1.Tag1": {
            nodeIdentifier: { namespaceUri: "urn:NodeOPCUA-Server-default", identifierWithType: "i=2001" },
            shouldMonitorItem: true,
            samplingInterval: 1000,
        },
    },
    ioSources: {
         "PLC1.Tag1": {
             name: "S7-1500 PLC 1.Tag1",
             objectId: Runtime.newUuid(),
             objectType: CoreTypes.OBJECT_TYPE_IO_SOURCE,
             coreType: "IoSource",
             valueType: "plc.Tag1[Int32]",
         },
    },
};

Hierarchy

Index

Properties

Optional clientSubscriptionOptions

clientSubscriptionOptions: ClientSubscriptionOptions

Options to set up a common subscription for monitoring items in an OPC UA client (optional). See interface ClientSubscriptionOptions of node-opcua-client package.

If a subscription option is not specified, its default value is defined as follows:

{
   requestedPublishingInterval: 100,
   requestedLifetimeCount: 60,
   requestedMaxKeepAliveCount: 10,
   maxNotificationsPerPublish: 0,
   publishingEnabled: true,
   priority: 1
}
remarks

As all monitored OPC UA data item sources share the same client subscription, subscription options are applied to all of them. If you need different options for different monitored items, define them in separate OpcuaConnector instances.

Optional connectionOptions

connectionOptions: OPCUAClientOptions

Options to set up an OPC UA client (optional). See interface OPCUAClientOptions of node-opcua-client package.

Optional connectionUserIdentity

connectionUserIdentity: UserIdentityInfo

The user identity for a connection session (optional). If not specified, defaults to an unauthenticated anonymous user, i.e. UserTokenType.Anonymous.

See type UserIdentityInfo of node-opcua-client package.

dataSources

dataSources: {}

An object hash that defines a set of OPC UA data sources to be monitored. The key of each data source is used as a unique identifier for mapping the data source onto a Coaty-specific publishing item.

Type declaration

endpointUrl

endpointUrl: string

The specific endpoint URL of the OPC UA server, e.g. "opc.tcp://localhost:4334/UA/TestServer".

ioSources

ioSources: {}

An object hash of IO sources to be associated with monitored OPC UA items as defined by the OpcuaOptions.dataSources property of this interface.

Type declaration

  • [dataSourceIdentifier: string]: IoSource

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