Posted 18 Aug 2017 Hi all, I have a problem when I upload program from PLC TSX P57104 to modify some parameters and download to PLC again but I cant because the PLC have error is "write protected-catridge".I tried using "online modification" to change the parameters but the same error appears "This action is forbidden because Flash catridge: write protected-catridge". Hope for your helping. Share this post Link to post Share on other sites
Posted 21 Aug 2017 There is a memory card in the plc. This has a small switch on the side that puts write protection on. Share this post Link to post Share on other sites