Fanuc 9900 Parameter List <720p>
: Press the SETTING function key on the MDI panel.
: Find the "PARAMETER WRITE" field and change the value from 0 to 1 .
Enables (Canned Cycles) for milling or turning. 9920.1 Allows G10 Tool Offset input via the program. 9920.2 Enables Manual Pulse Generator (MPG) feed. 9921.0-4 fanuc 9900 parameter list
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
Editing any system parameter, especially option parameters, requires enabling . : Press the SETTING function key on the MDI panel
For Fanuc controls manufactured after 2006, these parameters are often hidden from the standard parameter screen and are instead stored in . This ensures they remain intact even if the main memory is wiped. They are typically accessed through a specific diagnostic screen rather than the standard system parameter list. Common 9900 Series Parameters
These parameters are bit-level settings where each "bit" (a 1 or 0) enables a specific software option. Parameter No. Typical Function / Feature Often sets the total number of axes enabled on the machine. 9920.0 Unlike standard machine parameters that control speeds or
: Modifying 9900-series parameters is technically enabling paid software options. Legally, these must be purchased from Fanuc or the machine tool builder. Unlocking options without a license can void warranties or service agreements.