12:04, EET
December 12, 2018
Hello
I could connect and get the subscrition values using the clinet but I am unbale to write a boolean “true” to a node in the server. I have attached the sample code for your reference. What am I missing and doing wrong ? Thanks
public class ABB_plc_signal implements MonitoredDataItemListener {
private static UaClient client;
boolean er= true;
@Override
public void onDataChange(MonitoredDataItem item, DataValue prevValue3, DataValue value2) {
if (value2.getValue().booleanValue() == true) {
try {
System.out.println(“Request to pause robot received “+item.toString());
client.writeValue(NodeId.parseNodeId(“ns=4;s=|var|AC500 PM56xx-2ETH.Application.GVL_PLC.OPCUAEntryGrantedSTN10”),er);
} catch ( IllegalArgumentException | ServiceException | StatusException e) {
e.printStackTrace();
}
if (prevValue3.getValue().booleanValue() == true && value2.getValue().booleanValue() == false) {
} }
}
}
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