To change parameters, you must go to the SETTING screen and change PWE to 1. The screen will alarm (P/S 100); this is normal. Changing Parameter Values
This helps the control identify the generation of the servo system. fanuc ot 900 parameter list
Type (or the target parameter number) and press INPUT or NO. SRCH . To change parameters, you must go to the
Enter the 900 parameters exactly as written on that paper. Type (or the target parameter number) and press INPUT or NO
Press the soft key (or page down until you see the setting screen). Locate the line that says PWE = 0 . Key in 1 and press the INPUT key.
Restoring from a complete, known-good backup is the only safe and efficient method to resurrect a dead machine.
Based on technical documentation, here is a snapshot of what these bits actually control: Description Functionality Unlocked CANNED CYCLE Enables standard G-code cycles like G81/G83. 900 G10 PROGRAM INPUT Allows software to update offsets automatically. 900 INCH / METRIC Toggle between imperial and metric measurement systems. 901 TAPE MEMORY Controls memory capacity (from 20M to 320M). 901 CHAMFER/RADIUS Enables corner rounding/chamfering G-codes. 902 CONSTANT SURFACE Allows the spindle to adjust speed based on diameter. 902 CUSTOM MACRO A Unlocks the ability to use variables and logic. 903 Enables the dynamic buttons below the CRT screen. 904 Changes the system text (Japanese, German, Spanish, etc.). How to "Unlock" These Settings