Fanuc 9900 Parameter List

On later controls (31i-B, 31i-C, 0i-F), the 9900s may appear as “########”. You must enter a specific password via a parameter (often 8953 or 8900 #16, depending on the MTB). Without this, you cannot view or edit the list.

Ignore the flashing P/S alarm that appears (this is normal and expected). Step 2: Accessing the System Parameter Screen Press the hard key. Press the [PARAM] soft key. Type 9900 and press the [No. SRH] (Number Search) soft key.

Core system, axis configuration, and data input/output. fanuc 9900 parameter list

The 9900 range is not a fixed, universal list across all Fanuc models. Instead, it is a high-number range reserved for:

Return to the SETTING screen and change back to 0 . 4. Troubleshooting 9900 Parameter Alarms On later controls (31i-B, 31i-C, 0i-F), the 9900s

| Parameter | Description (Typical) | |-----------|----------------------| | | Servo motor ID for the 1st axis (X) | | 9901 | Servo motor ID for the 2nd axis (Y/Z) | | 9902 | Servo motor ID for the 3rd axis | | 9903 | Servo motor ID for the 4th axis (optional) | | 9904 | Spindle motor ID (main spindle) | | 9905 | Spindle motor ID (2nd spindle, if present) | | 9906 | High-resolution setting / pulse coder type | | 9907 | Amplifier type code (Alpha/Beta series) | | 9908 | Axis number assignment (mapping physical drives to logical axes) | | 9909 | Acceleration/deceleration time constant for spindle | | 9910 | Servo loop gain setting (related to HRV) |

Always treat the 9900s with respect: back up before touching, change one bit at a time, and document everything. With the guide above, you now have the roadmap to navigate the most critical parameter range in any Fanuc-controlled machine. Ignore the flashing P/S alarm that appears (this

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Rotate the mode selector to (Manual Data Input).