The HPU-03 hydraulic pump can be updated with a USB-B cable and a windows computer.
Please select one of the versions of firmware matching your hardware.
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For the HPU-03 boxes equipped with a brushed motor : the current firmware version is 1.06
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For the more recent HPU-03 equipped with a brushless motor, the current firmware version is 4.04_avec_tempo. Depending on the hydrogenerator model, you might need the RS485 software to adjust parameters like maximum pressure after firmware update
See this page
V4.0x_5bars : 2018 racing hydrogenerators with composite housing (the maximum pressure is 5 bar) Serial number, engraved under the end cone : G-600-PV-xxxxx |
V4.0x_8bars : 500W and 600W racing hydrogenerators (the maximum pressure is 8 bar) Serial number, engraved under the end cone : WSRxxxxx |
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Firmware update steps :
- The pump must be powered during this operation
- plug the USB cable to the computer
- if needed please downloard the VCP drivers provided by FTDI
- retrieve the COM number assigned to the pump in Windows Devices Manager
- unzip the firmware files on desktop (otherwise it could lead to failure in case of specials characters in the DOS path of another folder)
- launch the .BAT file with double-clicking it
- enter the full name of serial port : example > "COM6"
- wait for the update
- in case of succes you will see a screen like below.
Known failures :
- if timeout message is displayed several times, it menas that the computer can not find the pump. It can happen if the COM number is wrong or not formatted as requested (= "COMxx") . Otherwise it could mean that the bootloader is corrupted : the device need to be reprogrammed in factory : please contact us.
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