Fanuc Parameter 1860 //free\\ Full May 2026

• Typical name: Parameter 1860 — Macro/PMC (programmable logical controller) or macro enable/flag setting.
• Purpose: Enables or configures advanced macro/PMC-related behavior (allows user macros/parameter macro functions or interfaces with PMC). On some controls it gates use of certain macro instructions or transfers mode between standard and extended macro handling.
• Typical values (example ranges — confirm for your control):

  : If the backup battery for the absolute pulse coder dies, the data in Parameter 1860 may become invalid. This often results in a 300-series alarm (e.g., APC Alarm: Reference Return Required).

  Here is the interesting "hidden" feature regarding this parameter that many machinists overlook: fanuc parameter 1860 full

  Acceleration/Deceleration (Interpolation)

  Here haven't found any official source stating that Fanuc Parameter 1860 is "Full" or related to memory capacity. Fanuc Parameter 1860 is typically related to . Typical values (example ranges — confirm for your

  Solution:

  Decrease 1860 gradually (5 ms at a time) until corners sharpen and cycle time improves, but before vibration appears. Fanuc Parameter 1860 is typically related to

  A "full" shift in one direction would be entering 99999999 , which would shift zero approximately 99,999 mm (99 meters) – obviously not practical. The practical full range is limited by your machine's physical travel. Never exceed the hard limit switches.

  2. Functional Principle