Monitors the error when the axis is supposed to be standing still.
| P1829 Value | Possible Effect | |-------------|------------------| | | Random PS0412 alarms even when tapping appears normal, especially at high spindle speeds or acceleration. | | Too high | No alarm during actual mis-synchronization → poor thread quality, oversized threads, tap seizure. | | Correct | Reliable tapping, alarm only when real fault occurs (e.g., belt slip, encoder noise, servo overload). | fanuc parameter 1829
Inspect the servo amplifier and feedback cables for signs of wear or damage. How to Change Parameter 1829 Monitors the error when the axis is supposed
This prevents thread damage, tap breakage, or part scrap due to lost synchronization. | | Correct | Reliable tapping, alarm only
It is often set to roughly 10–20 times the actual positioning accuracy of the machine.
If the difference between the commanded position and the actual position (positional deviation) exceeds the value set in this parameter while the axis is not moving, the system triggers a ("EXCESS ERROR STOP"). Key Specifications
If you are seeing an alarm related to this parameter, it typically indicates a physical or electrical issue preventing the motor from holding its position: FANUC Series 0i-MODEL F Plus PARAMETER MANUAL