You can download the library for Delphi/C++ Builder 10.2 Tokyo from here:
It is also included in MegaLab.
This is a Beta release and is expected to grow rapidly with many new components and features.
The library contains Industrial Control components including :
- Modbus - Master and Slave TCP and Serial, RTU and ASCII components
- OPC Group components
- Relay Controller
- PID Controller
- Sockets, and Com Port components
- and many supporting components
Many of the components are already cross platform, including all the Modbus components.
Work is underway to make the library also available for RAD Studio XE8, 10 Seattle, and 10.1 Berlin.