Zubair  Ahmed

Mitsubishi GX Developer eRROR

4 posts in this topic

EVERY TIME when i change my ladder logic program then this message appears .. what is this mean

plc error.png

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You are are in the online mode. Press F2 for Read mode

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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.

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