Use of CF card
The particular site i visited did not have a final backup of AC800M plc. They had the CF card inserted in the plc slot. Using CF card reader i took the program. When i tried to go online with that backup, it gave a message saying that i need to download the program. After i downloaded the program, i found the final changes in the program saved and i didnt need to make any further changes.
Will the program backup taken from CF card always ask for a download or did i make any mistake.
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