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==         PAC120-PWX01-3X-00-01 FIRMWARE DOWNGRADE INSTRUCTIONS           ==
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Parker Hannifin Manufacturing GmbH & Co. KG. © 2025. All Rights Reserved.


OVERVIEW
Short guide to update or downgrade PAC120 firmware using USB or SD card.
Complete with device-specific details before distribution.


QUICK START
1. Back up all data (if existing).
2. Prepare USB/SD with correct format and file placement.
2. Optional: Login via admin page and deactivate CODESYS user Management
3. Downgrade via USB/SD

PREPARE MEDIA
Format: FAT32
Size: Max. 32 Gbyte
If USB stick is used: Copy entire Folder 'usbupdate-mx6' to root directory.
If SD card is used: Copy entire Folder 'sdupdate-mx6' to root directory.
Safely eject media.

DEACTIVATE CODESYS USER MANAGEMENT
1. Login via admin page (web Access)
2. Navigate to PLC config --> CODESYS Security
3. Uncheck "Enforce CODESYS user Management"

UPGRADE VIA USB
1. Power off the device.
2. Insert USB into PAC120.
3. Power on the device and wait for firmware upgrade to be finished. The 
   firmware downgrade is indicated by an orange blinking RUN LED. After 
   reboot, the RUN LED should be lid in red.
4. Verify firmware version via admin page.
5. Remove USB device.

UPGRADE VIA SD
1. Power off the device.
2. Insert SD card into PAC120.
3. Power on the device and wait for firmware upgrade to be finished. The 
   Firmware downgrade is indicated by an orange blinking RUN LED. After 
   reboot, the RUN LED should be lid in red.
4. Verify firmware version via admin page.
5. Remove USB device.

LEGAL
Warranty/Disclaimer: We checked the contents of this package for compliance 
with the associated hard and software. We can, however, not exclude 
discrepancies and do therefore not accept any liability for the exact 
compliance. The information in this publication is regularly checked, 
necessary corrections will be part of the subsequent publications.
