Hi Brian, I haven't had any experience with using plc4x with Siemens PLC's, but I did find a comment in the RELEASE_NOTES file about this being fixed in the 0.9-SNAPSHOT version.
You will have to add the following to your pom.xml file. <repositories> <repository> <id>apache-snapshots</id> <url>https://repository.apache.org/content/groups/snapshots</url> <snapshots><enabled>true</enabled></snapshots> </repository> </repositories> <version>0.9.0-SNAPSHOT</version> Kind Regards Ben On Tue, Jun 15, 2021 at 9:37 PM Brian <644036...@qq.com> wrote: > I use java to send real type to interact with plc1200 > Error reporting internal_ error; > But I use java to read the real type and interact with plc1200 > successfully. > How to use java to write data to PLC >