Fanuc released the 10T in Models A, B, C, and D. The parameter layout changed significantly between Model A (EPROM) and Model D (SRAM). Your manual must match the motherboard revision. Check your CPU board for a sticker like "10TE" or "10TF."
In the FANUC 10T CNC system, parameters are used to define the machine's behavior, set operating conditions, and configure hardware components. These parameters are stored in the system's memory and are used to control various aspects of the machine's operation, such as: Fanuc 10t Parameter Manual
Bit 0 (PWE): 0 = Parameter write disabled (protected). 1 = Parameter write enabled. Bit 1 (PRW): 0 = Programs locked. 1 = Programs unlocked. Note: To change PWE to 1, you must be in MDI mode with emergency stop released. Introduction 1
To ensure optimal performance and prevent errors, users should follow best practices when setting parameters, including: The parameter layout changed significantly between Model A