Fanuc Parameter 1860 Full -
When you adjust Parameter 1860, you are not moving the physical limit dog. You are electronically shifting where the control the grid point is.
Do not use Parameter 1860 to compensate for a worn ballscrew or loose coupling. Fix the mechanical problem first. Case Study: Correcting a Lost Zero After Battery Failure Situation: A Fanuc Robodrill (16i control) lost absolute encoder batteries over the weekend. After replacing batteries, the Z-axis zero was off by -12.345 mm (the tool changer finger crashed into the spindle). fanuc parameter 1860 full
| Parameter | Name | Purpose | | :--- | :--- | :--- | | | Grid Shift (Reference Position) | Shifts the grid point for all reference returns. Used for mechanical dog adjustment. | | 1851 | Grid Shift Fine | Fine adjustment (usually in 1/1000 mm or 1/100000 inch increments). | | 1860 | Reference Position Shift | Shifts the position the machine considers "Zero" after the reference return is complete. Often used with Absolute Pusle Coders. | When you adjust Parameter 1860, you are not