Home » Eclipse Projects » Eclipse Milo » Alarm Acknowledgement method of OPCUA Protocol (While calling acknowledgement method, getting Bad Event ID unknown Status)
| Alarm Acknowledgement method of OPCUA Protocol [message #1827542] |
Mon, 18 May 2020 05:16 |
 Savan Tripathi
Messages: 2
Registered: May 2020 |
Junior Member |
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Dear Sir,
Currently i am developing OPCUA client using Eclipse Milo. I am able to read data from OPC UA cpp server and able to write setpoint data to server.
I am not able to perform acknowledgement of OPCUA ALarm and events.
I tried with node-red opcua server and getting alarms,now i want to acknowledge the same , so i had tried code for calling acknowledgement method for opcua. Here it is:
byte[] b=new byte[] {-66, -115, -121, -6, -39, 40, 89, 114, 60, -66, -126, -79, -72, -128, -21, 23, 0, 0, 4, -4};
LocalizedText lt = new LocalizedText("bagiya");
ByteString bs=new ByteString(b);
Variant evntid1 = new Variant(bs);
System.out.println("jangli id :=>"+vs[1]);
Variant lt1 = new Variant(lt);
Variant[] v = new Variant[] { evntid1,lt1 = new Variant(lt)};
System.out.println(vs[1].getDataType());
CallMethodRequest rec = new CallMethodRequest(NodeId.parse("ns=1;i=1003"), NodeId.parse("ns=1;i=1022"), v);
System.out.println( rec.getTypeId()+"::=>"+client.call(rec).get());
this byte array string is given by node-red opcua server using eclipse milo code of Event Subscription Example.
EventFilter eventFilter = new EventFilter(new SimpleAttributeOperand[] {
new SimpleAttributeOperand(Identifiers.BaseEventType,
new QualifiedName[] { new QualifiedName(0, "EventId") }, AttributeId.Value.uid(), null),
new SimpleAttributeOperand(Identifiers.BaseEventType,
new QualifiedName[] { new QualifiedName(0, "EventType") }, AttributeId.Value.uid(), null),
new SimpleAttributeOperand(Identifiers.BaseEventType,
new QualifiedName[] { new QualifiedName(0, "Severity") }, AttributeId.Value.uid(), null),
new SimpleAttributeOperand(Identifiers.BaseEventType,
new QualifiedName[] { new QualifiedName(0, "Time") }, AttributeId.Value.uid(), null),
new SimpleAttributeOperand(Identifiers.BaseEventType,
new QualifiedName[] { new QualifiedName(0, "Time") }, AttributeId.Value.uid(), null),
new SimpleAttributeOperand(Identifiers.BaseEventType,
new QualifiedName[] { new QualifiedName(0, "Message") }, AttributeId.Value.uid(), null) },
new ContentFilter(null));
So we are getting this below given status:
CallMethodResult{StatusCode=StatusCode{name=Bad_EventIdUnknown, value=0x809A0000, quality=bad}, InputArgumentResults=[StatusCode{name=Good, value=0x00000000, quality=good}, StatusCode{name=Good, value=0x00000000, quality=good}], InputArgumentDiagnosticInfos=[], OutputArguments=[]}
Kindly give me some suggestions to troubleshoot this problem.
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