vfdb_vfd(1) on Linux
The text 6e8fd05a7be6, as Debian 12 (Bookworm) shipped it.
HAL userspace component for Delta VFD-B Variable Frequency Drives
Flags it lists
-
--debug -
--modbus-debug -
--name -
--report-device -
-d -
-m -
-n -
-r