Simply put, They control the fundamental configuration of the control itself: which options are enabled (like rigid tapping, high-speed machining, or AI contour control), how many axes are active, spindle configurations, PMC (Programmable Machine Control) addressing, and even the machine’s serial number.
Modifying these parameters is high-risk and usually requires specific authorization because they govern the control's core capability. Fanuc Parameter Options Overview | PDF | Computing - Scribd fanuc 9900 parameter list
Editing any system parameter, especially option parameters, requires enabling . Simply put, They control the fundamental configuration of
Parameter 9900 = 273 (Alpha iS 8/3000 motor) or AI contour control)