Parameter Value: [ Bit 7 | Bit 6 | Bit 5 | Bit 4 | Bit 3 | Bit 2 | Bit 1 | Bit 0 ] Use code with caution.
Enter the 900 parameters exactly as written on that paper.
Spindle synchronous control (Dual-spindle lathes). Bit 4 (DIF): Direct input of coordinate system shift. Bit 5 (MCD): Direct input of tool offset value measured. Bit 6 (MAN): Manual intervention and return function.
Setting up specific machine types (e.g., G-code systems A, B, or C). fanuc ot 900 parameter list
Incorrect settings in the 900-series parameters can render the machine inoperable, cause servo crashes, or result in dangerous rapid movements. Always back up parameters before making changes. Do not alter these unless you are a qualified service engineer or have specific instructions from the machine tool builder.
Turn the machine back on to clear the alarm and initialize the new software options.
| Bit | Name | Function | | :--- | :--- | :--- | | 0 | MA2 | (G65 with expressions, DO/WHILE loops) – Highly valuable | | 1 | GRA | Graphic display (tool path simulation on CRT) | | 2 | SPM | Spindle error detection (load meter, speed arrival check) | | 3 | PMV | Program mirror image (for dual turrets) | | 4 | PLF | Polygon turning (G77, G78) | | 5 | PS1 | Punch special codes 1 | | 6 | PS2 | Punch special codes 2 | | 7 | SHP | Shop floor programming (conversational) | Parameter Value: [ Bit 7 | Bit 6
Unlike standard parameters (which adjust feedrates or offsets), 900 parameters tell the CNC control:
By default, Fanuc systems protect 9000‑series programs from accidental viewing or editing. To access them:
: Because 900-series parameters are related to purchased options, it is recommended to consult with the Machine Tool Builder before activation. Fanuc 0-T Parameter Overview | PDF - Scribd Bit 4 (DIF): Direct input of coordinate system shift
Comprehensive Guide to Fanuc 0T-A/B/C 900-Series Parameters The (including 0T-A, 0T-B, and 0T-C models) was a revolutionary CNC controller, powering thousands of lathes and turning centers across the globe. Among the most crucial settings for customizing these machines are the Fanuc 0T 900 parameter list , which control optional features and system behavior.
your existing 900-939 parameters before changing anything.