Fanuc 9900 Parameter List [top]

In the context of CNC systems, a parameter list refers to a collection of numerical values that define various aspects of the system's behavior and performance. These parameters can be adjusted and configured to tailor the system's operation to specific machining requirements, such as setting tool offsets, defining motion profiles, and configuring I/O interfaces. The parameter list is essentially a database of settings that control the CNC system's functions, and modifying these parameters can significantly impact the system's performance and accuracy.

You must purchase the option from FANUC, who will provide a "Software Option Information" sheet to allow changes to these parameters. 5. Summary and Best Practices

Understanding this specific parameter list is essential for maintenance technicians, CNC programmers, and field engineers who need to revive a downed machine or perform complex system retrofits. 1. What are FANUC 9900 Series Parameters?

The 9900 series parameters, particularly within the 9927–9933 range, control critical machine functionalities such as axis management, compensation, and advanced features. fanuc 9900 parameter list

These parameters manage how the CNC communicates with external devices, networks, and memory cards.

Accessing and modifying parameters on a FANUC 9900 system typically requires a specific set of procedures:

Before changing any 9000-series data, perform a full SRAM backup or output your current parameter list to a memory card/laptop. In the context of CNC systems, a parameter

What is the (e.g., 0i-F, 31i-B)?

The parameters may have been corrupted. You should reload the parameters from a reliable backup.

Enabling an option (like an extra axis or a high-speed smoothing algorithm) that the machine's physical hardware, drives, or PLC (PMC) ladders cannot support can cause immediate machine crashes, unexpected servo behavior, or hardware failure. You must purchase the option from FANUC, who

| Parameter | Associated Function(s) | Brief Description | | :--- | :--- | :--- | | | Axis Configuration & System Options | Often used to define basic axis configuration, such as disabling specific axes, setting the number of controlled axes, and activating fundamental system options. | | 9920 | Fixed Cycle, Tool Offset, MPG, Unit Conversion | 9920.0 : Fixed Cycle control. 9920.1 : G10 programmable data input for tool offsets. 9920.2 : Mechanical handwheel feed. 9920.5 : Metric/Inch conversion for input [7†L2-L4][8†L4-L9]. | | 9921 | Program Storage Capacity | Defines the available memory for part programs. Values like 9921.0 , 9921.1 , 9921.2 , 9921.3 correspond to memory sizes like 640m, 320m, 160m, 80m, etc., of program storage capacity. | | 9922 | Constant Surface Speed, Macro A, Pitch Error Compensation | 9922.2 : Constant surface speed (CSS) control for spindles. 9922.5 : Stored pitch error compensation for lead screws. 9922.6 : Macro A programming language support. | | 9923 | MDI, Background Editing | 9923.4 : MDI (Manual Data Input) operation mode options. 9923.7 : Background editing, allowing program editing while another program is running. | | 9924 | Language Support | Controls the display language for the user interface, such as 9924.0 : Japanese, 9924.2 : Chinese, 9924.5 : Spanish, etc. | | 9925 | Work Coordinate System, Look-Ahead Control | 9925.1 : Extended number of work coordinate systems (e.g., G54-G59). 9925.3 : Advanced preview (look-ahead) control for high-speed machining. | | 9926 | Tool Offset Memory, Tool Length Measurement | 9926.3 : Tool offset memory for 64 pairs of offsets. 9926.6 : Automatic tool length measurement capability. | | 9927 | Auxiliary Function, Extra Axis | 9927.1 : Second auxiliary (M) code. 9927.3 : Additional axis control. 9927.6 : Tool radius compensation type C for contouring. | | 9928 | Return Speed, 3D Coordinate Conversion | 9928.1 : Setting for reference point return speed. 9928.4 : 3D coordinate conversion for complex geometry transformations. | | 9929 | Graphics, Extended Stroke, External Message | 9929.0 : Graphic display. 9929.2 : Extended internal stroke (soft limit) check. 9929.6 : External user message display | | 9930 | Program Restart, Helical Interpolation, PMC Axis | 9930.1 : Program restart from an interruption. 9930.3 : Helical interpolation. 9930.5 : PMC axis control. | | 9931 | One-Direction Positioning, Rigid Tapping | 9931.0 : One-direction positioning for precise axis location. 9931.2 : Rigid tapping synchronization. | | 9932 | Scaling, Coordinate Rotation, Tool Life Management | 9932.1 : Program scaling. 9932.2 : Coordinate system rotation. 9932.5 : Tool life management. | | 9933 | Polar Coordinates, Macro B, F1-Digit Feed | 9933.1 : Polar coordinate command mode. 9933.7 : Macro B (User Macro language). 9933.3 : F1-digit feed override. |

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