Hi PLC4X team,
When I use PLC4X's OPCUA protocol to write PLC, I always get ACCESS_DENIED for
the PLC's tag (Reading is OK.)
I list my code and message I get below in FYI: sections.
How can I get rid of this issue?
Thanks,
Jim
FYI: my codes
==================================
public static void WritePLC(PlcConnection plcConnection) throws
InterruptedException, Exception, TimeoutException {
PlcWriteRequest.Builder builder =
plcConnection.writeRequestBuilder();
builder.addItem("S7PLC.CureAbort", "ns=2;s=
S7PLC.CureAbort:BOOL", true);
PlcWriteRequest writeRequest = builder.build();
PlcWriteResponse response = writeRequest.execute().get();
for (String fieldName : response.getFieldNames()) {
if(response.getResponseCode(fieldName) == PlcResponseCode.OK)
{
System.out.println("Value[" + fieldName + "]: updated");
}
else {
System.out.println("Error[" + fieldName + "]: " +
response.getResponseCode(fieldName).name());
}
}
}
FYI: the message when I run my codees
======================================
opcua:tcp://localhost:49601/
[main] INFO org.apache.plc4x.java.PlcDriverManager - Instantiating new PLC
Driver Manager with class loader
jdk.internal.loader.ClassLoaders$AppClassLoader@443b7951<mailto:jdk.internal.loader.ClassLoaders$AppClassLoader@443b7951>
[main] INFO org.apache.plc4x.java.PlcDriverManager - Registering available
drivers...
[main] INFO org.apache.plc4x.java.PlcDriverManager - Registering driver for
Protocol s7 (Siemens S7 (Basic))
[main] INFO org.apache.plc4x.java.PlcDriverManager - Registering driver for
Protocol opcua (OPC UA (TCP))
[main] INFO org.apache.plc4x.java.opcua.connection.OpcuaTcpPlcConnection -
Configured OpcuaTcpPlcConnection with: host-name 127.0.0.1
[NonceUtilSecureRandom] INFO org.eclipse.milo.opcua.stack.core.util.NonceUtil -
SecureRandom seeded in 0ms.
[main] INFO org.eclipse.milo.opcua.sdk.client.OpcUaClient - Eclipse Milo OPC UA
Stack version: 0.5.3
[main] INFO org.eclipse.milo.opcua.sdk.client.OpcUaClient - Eclipse Milo OPC UA
Client SDK version: 0.5.3
Error[S7PLC.CureAbort]: ACCESS_DENIED
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