Posted 5 Sep 2018 EVERY TIME when i change my ladder logic program then this message appears .. what is this mean Share this post Link to post Share on other sites
Posted 5 Sep 2018 You are are in the online mode. Press F2 for Read mode Share this post Link to post Share on other sites
Posted 5 Sep 2018 i have pressed f2 but problem still exists Share this post Link to post Share on other sites
Posted 5 Sep 2018 At some point in the past you must have gone into Online Monitor/Write mode to make online changes. This sets an option to write changes to the PLC after compiling. Go to Tools/Options and look for that setting. Share this post Link to post Share on other sites