Hi Ben
According to your prompt, I have modified it and now it can be used. Thank you very much! Kind Regards Brian ------------------ ???????? ------------------ ??????: "dev" <ben.hut...@gmail.com>; ????????: 2021??6??16??(??????) ????10:02 ??????: "dev"<dev@plc4x.apache.org>; ????: Re: java write REAL TYPE 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