node-red-contrib-opcua/opcua/106-opcuaevent.html

A Node-RED node to communicate via OPC UA based on node-opcua library.

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<script type="text/javascript">
    RED.nodes.registerType('OpcUa-Event',{
        category: 'opcua',
        color:"#3FADB5",
        defaults: {
            root: {value:"", required:true}, 	// ns=2;i=85 Server object to look through all objects under it
            eventtype: {value:"", required:true}, 		// TODO ui should contain selectable condition types or all
            name: {value:""}
        },
        inputs:1,
        outputs:1,
        align: "right",
        icon: "opcuanodeLogo.png",
        label: function() {
            return this.name || "OPC UA Event";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<script type="text/x-red" data-template-name="OpcUa-Event">
    <div class="form-row">
        <label for="node-input-root"><i class="icon-tasks"></i> Root node</label>
        <input type="text" id="node-input-root" placeholder="i=2253">
    </div>
    <div class="form-row" id="node-input-eventtype-row">
        <label for="node-input-datatype"><i class="icon-tag"></i> Event Type</label>
        <select type="text" id="node-input-eventtype" style="display: inline-block; vertical-align: middle; width:60%;">
            <option selected disabled value="" >Choose a Event Type</option>
            <option selected value="i=2041">BaseEvent (all)</option>
            <option value="i=2052">AuditEvent</option>
            <option value="i=2132">BaseModelChangeEvent</option>
            <option value="i=2782">ConditionType</option>
            <option value="i=3035">Event Queue Overflow</option>
            <option value="i=11436">Progress Event</option>
			<option value="i=2130">System Event</option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="">
    </div>
</script>

<script type="text/x-red" data-help-name="OpcUa-Event">
    <p>Defines OPC UA events that will be subscribed from the server.</p>
	<p>Server root node will used to look selected events under it.</p>
	<p>Condition type can be left empty then all alarm / event objects will be taken into account.</p>
</script>