Many FANUC controls require a via the PMC ladder or a G-code sequence. Common methods:
Memory expansion, tool offset quantity, axis expansion (4th/5th axis), cylindrical interpolation, macro execution, and specialized Canned Cycles. 2. Commonly Referenced 9900+ Parameter Types
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.
Many machine tool builders (Haas, Mazak, Doosan, DMG MORI) use this range to store: fanuc 9900 parameter list
These parameters directly affect the precision and torque of the FANUC Alpha or Beta series servo motors.
Fanuc intentionally restricts access to parameters 9900–9999. On most controls (Series 0i, 15i, 18i, 21i, 30i, 31i, 32i, and 35i), you must:
A structural parameter has been altered that changes the foundational architecture of the operating system. Many FANUC controls require a via the PMC
The CNC control system detected a checksum or parity error during its boot-up diagnostic self-test or during real-time operation.
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9900 – Axis count 9901 – Extra axis enable 9902 – Spindle type 9904 – High-speed cut 9906 – Software ID (RO) 9913 – Macro enable 9930 – Password lock 9970 – Option mask 9999 – Security checksum Commonly Referenced 9900+ Parameter Types Simply put, They
| Bit | Option Enabled | |------|----------------| | #0 | High-speed machining (AICC) | | #1 | Manual guide i (conversational programming) | | #2 | Helical interpolation | | #3 | Thread retract | | #4 | Tool life management | | #5 | Cylindrical interpolation | | #6 | Polar coordinate interpolation | | #7 | Scaling |
Always perform a "Series 16/18i Data Backup" to a compact flash card or USB stick before accessing system-level parameters.