Fanuc 9900 Parameter List [hot] 〈95% WORKING〉

A machine tool builder sets:

Additional axis control (4th/5th axis), Axis mirroring, Circular interpolation

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The exact function of a 9900 parameter varies by control model (e.g., 0i, 16i, 31i). Below are common examples found in standard lists: Parameter No. Description Often defines the total number of controlled axes. Tape Memory Addition (e.g., 120M). Custom Macro A activation. Spindle Speed Fluctuation Detection. X-axis Mirror Image. PMC Model selection (L, M, etc.). 200 Registerable Programs. 3. Access and Visibility Modern Controls (Post-2006) fanuc 9900 parameter list

Press and hold the (horizontal keys directly underneath the LCD screen). While holding them down, turn the CNC power ON .

If the Boot Menu opens successfully, try to salvage whatever data remains:

These parameters tell the CNC what kind of motor is attached to the axis. A machine tool builder sets: Additional axis control

The Fanuc 9900 (Fanuc Series 0i/16/18/21/30 family derivatives sometimes labeled 9900 in documentation) parameter list controls machine behavior, axis configuration, servo tuning, I/O mapping, interpolation, safety limits, and more. Below is a comprehensive reference grouped by function. Use caution: changing parameters can make equipment unsafe or inoperable. Back up current parameter values before editing.

, meaning they are not typically lost even if the main SRAM backup battery fails. 2. Common Parameter Examples (Control Dependent)

Every machine ships with a manufacturer data sheet or a physical folder located inside the electrical cabinet. This folder contains the original "as-shipped" printout of the 9900 parameters. Always match your screen values to this factory document during troubleshooting. Can’t copy the link right now

| Your Fanuc Model | Likely has 9900 params? | Where to configure motors | |----------------|------------------------|---------------------------| | 0-Mate, 0-TC, 0-MC | Yes (common) | Parameters 9900–9910 | | 16/18/21 i-A, i-B | Sometimes (depends on firmware) | Servo/Spindle screen or 9900 | | 0i-C, 0i-D, 0i-F | Rare | Servo Setting screen | | 30i/31i/32i | No | Servo/Spindle setting screen |

In certain vintage and modern hybrid FANUC controls, the 9900 sequence extends into specialized data-dump parameters used for keeping the FROM/SRAM modules synchronized:

The Ultimate Guide to FANUC 9900 Parameters: System Configuration & Options