This helps the control identify the generation of the servo system.
| Bit | Function | |------|-----------| | 7 | Critical: 0 = PMC ladder edit disabled, 1 = enabled (use with extreme caution) | | 6 | Parameter write via MDI disable | | 5 | Backup ROM writing enable | | 4 | CNC data save to memory card | | 3 | Boot system modification lock | | 2-0 | Reserved (usually 000) |
Most operators know parameters 000–899: axis gains, acceleration times, RS232 settings. But parameters 900 through 939 are different. They are option parameters – they tell the CNC what hardware and software features are installed. fanuc ot 900 parameter list
Without them, the control doesn’t know:
Diego’s machine was dead because the control had reverted to factory defaults: no options enabled, wrong PMC type, no axis configuration. This helps the control identify the generation of
The Fanuc 0-T series uses the 900-range parameters to control specific system options and hardware configurations. These are typically "bit" parameters, where each digit (0 or 1) in an 8-bit string enables or disables a specific machine capability Google Groups Core Fanuc 0-T 900 Option Parameters
Below are the primary option parameters for the 0-T control. Each parameter consists of 8 bits (labeled 7 to 0 from left to right). Description Canned Cycle (Basic) G10 Program Input of Offset Inch / Metric Conversion Special G Code Tape Memory Addition (120m) Chamfering / Corner Radius Multiple Repetitive Canned Cycles (G70-G76) Constant Surface Speed Control Stored Pitch Error Compensation Custom Macro A Actual Spindle Speed Output Number of Programs (Set to 125) Soft Keys Below CRT Diego’s machine was dead because the control had
Language Options (0: Japanese, 1: German/French, 3: Italian, 4: Spanish) How to Edit 900 Series Parameters
Editing these parameters requires enabling "Parameter Write" and often putting the machine in a specific state. Google Groups Enable PWE [OFFSET/SETTING] SETTING 2 (Handy) and change PARAMETER WRITE (PWE) from 0 to 1. An alarm (100) will appear; this is normal. Access Parameters [PARAM/DGNOS] (Number Search) to jump to the option section. Edit Values Cursor to the specific bit. Type the new 8-digit binary string and press Return to the Setting screen and set back to 0.
Power the machine off and back on to initialize the new settings. Important Warning Fanuc Ot 900 Parameter List - Google Groups
