Fanuc 9900 Parameter List !!link!!

Older controls (like the 0-M or 0-T) used the 900 series (900–939) for options. If you see 8-bit binary strings (e.g., 00010000 ), you are likely looking at these legacy option bits.

If your control allows editing (pre-2006), the process generally involves:

5. Troubleshooting Common Alarms Associated with the 9900 Range SYS_ALARM 9900 (FATA / WATCHDOG)

The (specifically 9900 to 9999) represents the core option parameters for modern Fanuc CNC systems, including the 16i, 18i, 21i, and 0i series . Unlike standard machine parameters that control speeds or feeds, the 9900 series acts as a digital "unlock key" for factory-installed software features. Understanding the 9900 Parameter Series

The you are trying to enable (e.g., 4th axis, Ethernet, or High-Speed Machining) fanuc 9900 parameter list

Telling the software exactly how many modules are plugged into the main chassis.

For most day-to-day machining, you will never need to touch the 9900 series. But understanding that they exist to configure the hardware and software options of your machine is a vital part of advanced CNC maintenance knowledge.

Detailed lists for specific control models are often found in official , such as: fanuc parameter detail 9900 to 9998 | Practical Machinist

Incorrect settings might cause the machine to exceed its physical limits, leading to component wear or failure. Older controls (like the 0-M or 0-T) used

Always perform a "Series 16/18i Data Backup" to a compact flash card or USB stick before accessing system-level parameters.

It is crucial to understand that many of the parameters discussed, especially those controlling program editing for 8000-8999 and 9000-9999, are protected by a password system. This is an additional layer of security beyond standard PWE.

: They are often viewable on the CNC diagnostic screens, even if they cannot be directly edited.

Change the value from 0 to 1 . The control will issue a flashing "P/S 100 PARAMETER WRITE ENABLE" alarm. This is normal. Press the [SYSTEM] function key. Press the [PARAM] softkey. Search for 9900: Troubleshooting Common Alarms Associated with the 9900 Range

Configures the look-ahead block count (e.g., 40-block, 200-block, or 400-block look-ahead functionality). 4. Macro and Programming Options Custom Macro B activation. User Macro interruption functions. Canned cycles for drilling, turning, and pocketing. How to View and Edit 9900 Parameters

| Parameter | Bit / Group | Function | | :--- | :--- | :--- | | | Bit | Enables Fixed Cycles . | | 9920.2 | Bit | Enables Manual Handle Feed . | | 9920.5 | Bit | Enables Inch/Metric Conversion . | | 9922.5 | Bit | Enables Stored Pitch Error Compensation . | | 9922.6 | Bit | Enables Macro A (Custom Macro A) . | | 9923.7 | Bit | Enables Background Editing . | | 9924.0-5 | Bits | Selects Display Language (Japanese, Chinese, German, French, etc.). | | 9925.2 | Bit | Enables Pre-interpolation Acceleration/Deceleration . | | 9927.4 | Bit | Enables Workpiece Counting and Run Time Display . | | 9927.7 | Bit | Enables Tool Offset C (Cutter Compensation C) . | | 9928.4 | Bit | Enables 3-D Coordinate Conversion . | | 9930.6 | Bit | Enables PMC Axis Control . | | 9931.2 | Bit | Enables Rigid Tapping . | | 9932.1 | Bit | Enables Scaling (Coordinate magnification/reduction). | | 9932.2 | Bit | Enables Coordinate System Rotation . | | 9932.4 | Bit | Enables Tool Life Management . | | 9933.5 | Bit | Enables 4-Axis Simultaneous Control . | | 9933.7 | Bit | Enables Macro B (Custom Macro B) . |

Tape memory additions (320m/120m), Japanese/German/French display. Machining Cycles

FANUC parameters are typically structured as either (holding a specific integer value) or Bit parameters (a single byte made up of 8 individual binary bits, numbered 0 to 7). The 9900 series consists largely of bit parameters. A typical FANUC bit parameter looks like this: 9900