Fanuc Ot 900 Parameter List -

| Bit | Function | |------|-----------| | 7 | X-axis not present / 1: X-axis present | | 6 | 0: Z-axis not present / 1: Z-axis present | | 5 | 0: No C-axis / 1: C-axis (spindle positioning) present | | 4 | 0: No 3rd axis / 1: 3rd linear axis (e.g., Y-axis on live tooling) | | 3-0 | Spindle type: 0000 = single speed, 0001 = two-speed, etc. |

Type 900 and press or use the PAGE DOWN keys to scroll to the correct page. Input New Values : Highlight the target bit.

Note: The exact map depends on the FANUC OT ROM version (A16B-2200, A16B-2300, etc.). Below is the most common standard for OT-C and OT-D. Parameters are usually displayed in binary (8 bits) from bit 7 (left) to bit 0 (right).

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For more information on the FANUC OT 900 parameter list, refer to the following resources:

If you are dealing with or other serious, persistent errors, you might need to check other servo settings such as Parameter 1807.

Unlike standard parameters (which adjust feedrates or offsets), 900 parameters tell the CNC control: | Bit | Function | |------|-----------| | 7

The Fanuc OT 900 parameter list represents a powerful yet dangerous tool. When used correctly, these parameters unlock the full potential of your CNC machine, activating everything from tool life management and graphic displays to custom macro programming and spindle orientation. When used carelessly, they can render an expensive piece of manufacturing equipment completely unusable until proper settings are restored.

Navigate to the 900s, input the new binary value, and press INPUT . Detailed Fanuc 0-T 900 Parameter List (Common Options)

Enables manual pulse generator (MPG) handling. Note: The exact map depends on the FANUC

By default, Fanuc systems protect 9000‑series programs from accidental viewing or editing. To access them:

If a feature you paid for is not working, it is likely the corresponding bit in the 900 series is set to 0 instead of 1 .

Below is an overview of the commonly used 900-series options for the Fanuc 0T-C system: Fanuc 900 Parameter List Overview | PDF - Scribd

| Bit | Function | |------|-----------| | 7 | DNC drip-feed baud rate override | | 6 | Remote buffer (32K) enable – required for complex programs | | 5 | High-speed serial (RS-422/RS-232C) | | 4 | Tape mode without parity check | | 3-0 | Communication protocol version |

You cannot change parameters while the machine is running or in Jog mode.