thanks for reaching out. I'm glad that you are excited about REXYGEN.
Can you provide more details about your project? What is the goal? Which PLC do you use? How can you communicate with the PLC?
There is no generic driver for Bluetooth in REXYGEN however you can integrate it using Python Function Block, which will be part of REXYGEN in upcoming release. If you are interested in testing pre-release version head to https://forum.rexygen.com/topic/120/installation-of-rexygen-2-50-10-r5 for mre details.
If you have any questions in your mind, let me know and I will be happy to answer them.