Translations:WB Modbus Devices Firmware Update/5/en
The device enters bootloader mode if:
- the device has the correct firmware — the first 2 seconds after power on, the device operates in bootloader mode;
- the device does not have the correct firmware (for example, there was a failure when updating the firmware) — in this case, the bootloader mode is constantly active;
- when the main program in the holding-register 129 (0x81) was recorded 1 — in this case, the device is rebooted and remains in bootloader mode for 120 seconds.