Hi Jim, Just a few thoughts,
Check to see if you have write permission on the ua server. Is there a leading space before your address, s= S7...? On Thu, Mar 11, 2021 at 9:29 AM Wang, Jim <[email protected]> wrote: > 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 > Find West on Twitter <http://twitter.com/#!/WestPharma> and LinkedIn< > http://www.linkedin.com/company/west-pharmaceutical-services?trk=fc_badge > >. > > ________________________________ > The contents of this message are confidential and may be privileged. If > you have received this message in error, please permanently delete it, > along with any files that may be attached to this message, without reading, > printing, copying, forwarding or otherwise distributing it. Please notify > the sender of the error immediately so that we can prevent it from > happening again. > >
