Haiwell PLC support firmware upgrading.The upgrading process is as follows:
1. Download corresponding module upgrade file bag from the [download center],and then decompressed it.
2. Run the Haiwell PLC programming software, and make haiwell PLC online,select the [PLC/PLC module upgrade ]menu, enter the [module upgrade] window.
3. Pressing [open],choose the corresponding upgrading flie for the module, press "upgrade" button to upgrade.
4. If you succeed, then you can exit ,if you fail, you can upgrade the operation again, until the upgrade is successful.