Core system, axis configuration, and data input/output.
Unlocked via specific 9900 option bits.
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| Parameter | Description | Source | | :--- | :--- | :--- | | | Number of controlled axes (typically). For a lathe, this is often "2" (X and Z). For a milling machine, it is often "3" or "4" (X, Y, Z, and possibly a 4th axis). Also used in servo motor configuration to identify single, dual, or triple-axis drives. | | | 9920.0 | Fixed cycles . Enables the use of standard canned cycles (e.g., G81, G83). | | | 9920.1 | Tool offset input with G10 . Allows the G10 command to be used to input tool compensation values. | | | 9920.2 | Manual Pulse Generator (MPG) feed . Enables MPG (handwheel) operation. | | | 9920.3 | 1 MPG control . Activates control using a single manual pulse generator. | | | 9920.4 | Spindle S4/S5 analog output . Enables analog output for S4/S5 spindle commands. | | | 9920.5 | Inch/Metric conversion . Activates the ability to switch between programming units. | | | 9921.0-9921.4, 9921.7 | Program storage capacity . These parameters define the available memory for part programs. Options include 640m, 320m, 160m, 80m, 40m, and 20m. | | | 9922.2 | Constant surface speed control . Enables the CSS function for turning applications (G96). | | | 9922.5 | Stored pitch error compensation . Activates the system to compensate for the mechanical inaccuracies of the ballscrew (leadscrew). | | | 9922.6 | Custom Macro A . Enables the use of FANUC's Macro A programming language. | | | 9923.7 | Background editing . Allows the operator to edit one program while running another. | | | 9924.0-9924.5 | Display language . These parameters control the system's display language (Japanese, Chinese, German, French, Spanish, Italian, Korean). | | | 9925.0 | Helical interpolation . Enables 3-axis simultaneous motion for circular interpolation with a third axis (helical milling). | | | 9925.1 | 300 work coordinate systems . Expands the number of available work coordinate systems (G54-G59) to 300. | | | 9926.3/ .4/ .5 | Tool offset memory expansion . Increases the number of available tool offset registers (64, 99, or 200). | | | 9927.6/ .7 | Cutter compensation . Enables Cutter Compensation C (Type C) and B (Type B), which are used for contouring. | | | 9930.1 | Program restart . Activates the capability to restart a machining program from a specific sequence number. | | | 9931.2 | Rigid tapping . Enables the spindle motor to operate as a position-controlled servo for synchronized tapping. | | | 9932.1 | Scaling . Allows for the program to be machined at a different scale (enlarged or reduced). | | | 9932.2 | Coordinate rotation . Enables a transformation to rotate the coordinate system, useful for angled machining features. | | | 9932.4 | Tool life management . Activates the system that monitors and controls the usage time of each cutting tool. | | | 9933.1 | Polar coordinate command . Allows programming in polar coordinates (radius and angle). | | | 9933.5 | 4-axis simultaneous control . Enables the ability to command four axes to move at the same time. | | | 9933.7 | Custom Macro B . Enables the more advanced Macro B programming language. | |
Follow these steps to unlock protected 9000-series programs: Core system, axis configuration, and data input/output
: The machine will trigger a "P/S 100" alarm (Parameter Write Enable is on). This is normal and indicates you can now make changes.
Modifying option parameters to illegally unlock features without a FANUC-issued license key can violate software agreements and can cause the CNC to lock out or clear its memory automatically during subsequent firmware updates. To help narrow down your search, please let me know: This link or copies made by others cannot be deleted
If an illegal option combination is entered, the CNC may refuse to boot into the main software, getting stuck on the basic IPL screen. You must use the boot screen to clear the parameter memory and reload your valid SRAM backup.
Activating helical interpolation, cylindrical interpolation, or polar coordinate interpolation. 2. Memory and Program Capacity
If your control allows viewing, you must first enable : Set the machine to MDI Mode . Press the OFFSET/SETTING key.