This guarantees compatibility with your specific macOS version and chip architecture.
: Reads and writes Coils (FC1, FC5, FC15), Discrete Inputs (FC2), Holding Registers (FC3, FC6, FC16), and Input Registers (FC4). qmodmaster mac
If you do manage to run it (via compilation or a Windows VM like Parallels), here is what you can expect: QModMaster download | SourceForge.net Discrete Inputs (FC2)