Fanuc Parameter 1860 Full ((hot)) Jun 2026

Given these multiple definitions, the specific role of Parameter 1860 in your control should always be verified in the official parameter manual for that exact series and model.

It defines the amount of offset added to the velocity command immediately following a reversal in axis direction to compensate for mechanical backlash. Typical Setting Range: 20 to 600. Related Parameters:

a (mm/s²) = Vc / T

bits (APC and APZ) are toggled to set a new home position, the CNC automatically calculates and populates Parameter 1860. : It is an axis-specific parameter, meaning each axis ( , etc.) has its own unique 1860 value. en.industryarena.com Common Maintenance Scenarios Reference Position Loss fanuc parameter 1860 full

: Maintenance technicians use this parameter to verify that the absolute pulse coder is correctly tracking the machine's physical position.

There is no universal "perfect" number for 1860. It depends on your machine's mechanical design, motor torque, and the workpiece material. However, you can calculate a safe starting point.

Change the value from 0 to 1 . The CNC will immediately trigger a flashing "P/S 100 PARAMETER WRITE ENABLE" alarm. This is normal and expected. Step 2: Locate Parameter 1860 Press the function key on the MDI panel. Press the [PARAM] softkey. Given these multiple definitions, the specific role of

This bit determines if the reference position is updated based on the rounding value of Parameter 1860. 5. Troubleshooting Parameter 1860

In Fanuc CNC systems, Parameter 1860 is a read-only axis parameter that stores the current position of the absolute position detector (absolute encoder). It is often referred to as the current position in the absolute detector or the "encoder count". Technical Overview

When a machine is equipped with absolute encoders, it relies on back-up batteries to maintain its position even when the primary power is switched off. Parameter 1860 effectively stores critical calibration parameters or reference pulse widths required by the software to reconstruct the machine coordinate grid instantly upon bootup, avoiding the need to manually execute a limit-switch zero-return cycle every morning. Parameter 1860 Technical Specifications FANUC Series 0i-MODEL F PARAMETER MANUAL - Drivesul Related Parameters: a (mm/s²) = Vc / T

In simpler terms:

Modifying servo parameters can alter how a machine reacts in an emergency. Follow these precise steps to safely access and change Parameter 1860 on a standard FANUC 16i, 18i, 21i, or 0i series control: Step 1: Enable Parameter Writing (PWE) Ensure the machine is in mode. Press the [OFFSET/SETTING] function key on the MDI panel. Press the [SETTING] softkey at the bottom of the screen. Locate the item PARAMETER WRITE (PWE) .