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About tdoa

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    Hi, I am New!

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  1. Good evening, I have 3 M340 P34 2020 PLC's running on the version 2.20 - 8 Info from the PLC: PLC RANGE: Modicon M340 PROCESSOR NAME: BMX P34 2020 PROCESSOR VERSION: 02.20 - 8 HARDWARE ID: 1030106 I have read all the firmware update docs, and none seem to refer to any limitation in hardware revisions, can I just update them all to the latest firmware? I have already migrated the projects from Unity Pro XL V7.0 to the latest Control Expert Classic V15. Anyone knows is I can update this older PLCs to the latest firmware? Best regards.