PXZ – Firmware Updater


Firmware Updater

This software is to update the firmware version of the PXZ Series.



Last update



  • Applicable products: PXZ series

You can update the product’s firmware by using a USB memory device.
Updating is not available while an alarm is occurring or when the voltage coming from the DC OUTPUT terminal exceeds 30 V.

Do not update in parallel operation, please update after switching to standalone operation.
The system version of all PXZ series units to be operated in parallel must be the same.

Update method

Save the update files (Update.img, CHECKSUM.md5) in the root directory of the USB memory device. Do not change the names of the update files.

Update procedure

  1. Press System on the homepage.
  2. Swipe to the left, or press the → key three times and press Update. An update screen appears.
  3. Swipe to the left, or press the → key.
  4. Insert the USB memory device on which the update files have been saved into the USB port on the front panel, and then press Execute.
  5. Press OK > Enter.
    The update process begins. Do not turn off the POWER switch while updating is in progress. Do not remove the USB memory device. When pressing the ESCAPE, updating is cancelled and it restarts.
  6. When “Remove the USB media and turn the device off” is displayed, remove the USB memory device.
  7. Turn the POWER switch off, leave it for 10 seconds or more, then turn on power again.
    Updating is complete.

Next, check that the firmware has been updated properly.

Firmware version check procedure

Press System > Model Info on the homepage.
Model Name, Serial Number, and System Version are displayed.
After the update has been completed properly, reset the PXZ to its factory default conditions.

Factory default reset procedure

  1. Swipe to the right, or press the ← key on the homepage.
  2. Press Memory.
  3. Swipe to the left, or press the → key and press Sanitize.
  4. Press Initiate.
  5. Press OK.
  6. When “PLEASE REBOOT” is displayed, turn off the POWER switch, and wait for 10 seconds or more before turning it on again.
    This will revert to the factory default setting.

This completes the firmware update task.

※After rebooting, the error messages of “-314 Save/recall memory lost” and “-315 Configuration memory lost” always appear, but they are not abnormal. l. To remove the error messages, press CLR on the SCPI error screen or turn the power off and then back on.


Release note

VER 1.12

PXZ firmware

Resolved issues
Fixed the issue that when continuously transmitting SCPI commands via LAN communication, the data frame of LAN communication became empty and communication was occasionally interrupted.

Please feel free to contact us with any questions or concerns.

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