User Manual 24 < back to the table of contents > 6.1 Updating the Firmware The latest firmware version for the COM-Module is available for download on the official website: phi.krausnaimer.com/downloads Firmware Update Procedure 1. Upload the Firmware File: • The downloaded firmware file can be uploaded either via the file manager or directly in the update section of the web interface. 2. System Partitioning: • The COM-Module uses a dual partition system: - Partition 3 and Partition 4 are reserved for the operating system. - One partition is active (current system), the other serves as the target for the update. • The new firmware is written to the inactive partition. 3. Integrity Check: • After uploading, a hash value of the firmware is automatically generated and verified. • If verification is successful, a confirmation message appears in the top right corner of the Web UI. • If verification fails, the upload must be repeated. 4. Activating the New Firmware: • After successful verification, the system can be switched to the new partition. • A restart of the COM-Module is required to complete the update. Figure 18: 1. Button for firmware update, 2. Select the desired firmware version, 3. Update the inactive partition with the selected firmware version, 4. Firmware successfully written the partition, 5. Button to switch the partitions, 6. Button to restart the COM-Module and complete the firmware update 2 3 5 1 1 4
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