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
}Options to set up an OPC UA client (optional). See interface
OPCUAClientOptions
of node-opcua-client package.
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.
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.
The specific endpoint URL of the OPC UA server, e.g. "opc.tcp://localhost:4334/UA/TestServer".
An object hash of MQTT topics to be associated with monitored OPC UA
items as defined by the OpcuaOptions.dataSources property of this
interface.
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Configuration options for the
OpcuaMqttControllerto be defined on theopcuaMqttOptionsproperty.Defines MQTT topics for an
OpcuaMqttController. The given topics are associated with monitored OPC UA items as defined by theOpcuaOptions.dataSourcesproperty of this interface.Example:
const opcuaMqttOptions: OpcuaMqttOptions = { 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, }, }, topics: { "PLC1.Tag1": "opcua/plc1/tag1", }, };