3rd axis control (e.g., C-axis or auxiliary linear axis). Bit 1 (AX4): 4th axis control capability. Bit 2 (CSY): Cs-axis contour control for live tooling.
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Contact the machine builder with your serial number. If that fails, search online forums for other users with identical machines.
Understanding the is essential for technicians and maintenance staff tasked with restoring lost parameters, upgrading machine capabilities, or troubleshooting "Option Parameter Error" messages. This article explains how to safely access and understand these system-level parameters. What Are Fanuc 900 Parameters? fanuc ot 900 parameter list
The is the hidden key to CNC lathe functionality. While FANUC does not publish them officially, the compiled information in this guide provides a practical reference. Understanding how to access, back up, and restore these parameters is essential for anyone responsible for maintaining older FANUC OT-controlled machine tools.
Parameter No. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0900 0 0 1 0 0 1 0 1 In this structure: is the rightmost digit. Bit 7 is the leftmost digit. Changing a 0 to a 1 activates that specific sub-feature. FANUC 0T 900 Option Parameter List Reference
For over four decades, the —commonly known as the FANUC OT control—has been the backbone of CNC lathes worldwide. From Okuma to Mori Seiki, Hardinge to Haas’s early lathes, this control is legendary for its reliability. However, even the most robust systems encounter issues: mysterious alarms, sudden halts, or a machine that simply refuses to power up. 3rd axis control (e
If Parameter 901, Bit 0 controls "Constant Surface Speed," setting it to 1 will activate G96 on the lathe. How to Access and Change 900 Series Parameters
Among these, the holds a special place, as these parameters (often ranging from 900 through the 9000s depending on the specific 0T subtype) are critical for enabling system options, such as rigid tapping, advanced graphics, or specialized interpolation.
The FANUC OT 900 parameter list is a powerful tool that allows users to customize and optimize their CNC system for specific machining applications. By understanding the different types of parameters and their functions, users can unlock the full potential of the FANUC OT 900 CNC system. Remember to follow best practices when working with parameters, and always refer to the official FANUC documentation for detailed information on parameter lists and system operation. Do you currently have a of your parameter list
The table below lists the most common 900-series option parameters for the FANUC 0T (specifically Series 0T-B and 0T-C controls).
| :--- | :--- | :--- || | 0 | Canned Cycle (G70-G76) || | 1 | G10 Program Input of Offset || | 3 | Manual Pulse Generator (Handle) || | 5 | Inch / Metric Conversion || 901 | 1 | Tape Memory Addition (120M) || | 5 | Chamfering and Corner Radius || | 7 | Multiple Repetitive Canned Cycles || 902 | 2 | Constant Surface Speed (G96/G97) || | 6 | Custom Macro A || 903 | 1 | X-Axis Mirror Image || | 7 | Soft Keys (Below CRT) || 910 | 1 | Work Offsets (G54–G59) || 911 | 2 | Rigid Tapping || 912 | 0 | 3rd / 4th Reference Point Return | How to Edit 900-Series Parameters Fanuc 900 Parameter List Overview | PDF - Scribd