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Lost Generator's Modbus DDF after upgrade - how to re-apply to existing device?
EcoStruxure IT forum
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Sorry to say that there is currently no way to associate re-associate a currently discovered device with a DDF.
I've never seen a device lose it's association. It sounds like the DDF file got deleted. Upgrades don't and shouldn't do that.
I guess it's possible that if a user did not do it, that there was some sort of system anomaly but again, I've never seen that happen.
Sorry but the only way to associate a modbus device with a DDF is to remove and re-add the device itself. You can try another reboot or, if you have a backup from when the system was working, you can try restoring to that backup but going forward without that backup / restore, the only way is to delete and re-add the device.