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How does the FANUC system protect G54 coordinates

Jun. 26, 2026

Recently, my colleagues in the workshop complained to me that someone keeps tampering with their machine tool coordinates, which is very annoying.

Is there any way to protect the G54 coordinates?

Actually, there are many ways to protect the G54 coordinates in the FANUC system. Here are two relatively simple methods:

First: Add #5221=*** #5222=*** #5223=*** at the beginning of the program. The values after these three equal signs are your G54 XYZ axis coordinates. Running the program will automatically read the coordinates.

Second: Add this line of code before the program: G10 L2 P1 X485.019 Y-256.797 Z0; After running the program, the system will also automatically save the G54 parameters.

How does the FANUC system protect G54 coordinates

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