Fanuc Parameter 1860 [portable] 〈DIRECT ✰〉

Parameter values in FANUC controls are usually entered without a decimal point. For example, a value of 10 typically represents 0.010mm (ten microns). The same convention applies to parameter 1860: the input value is interpreted according to the system's least input increment setting.

Shut off the main breaker of the CNC machine, wait 10 seconds for the capacitors to discharge fully, and turn it back on. This allows the FANUC control to initialize the new encoder protocol. Troubleshooting Parameter 1860 Alarms

What prompted you to look into Parameter 1860? fanuc parameter 1860

Here's how it works:

After each M19, place your hand on the spindle nose. A “snappy” but silent lock is ideal. A slow, mushy lock indicates low gain. A high-pitched whine indicates excessive gain. Parameter values in FANUC controls are usually entered

In summary:

When synchronization is lost, the machine may fail to hold axis positions correctly after power-down, or may reference to incorrect positions. Shut off the main breaker of the CNC

A Mori Seiki DuraVertical 5080 (Fanuc 31i-B5) was taking 1.8 seconds for each tool change orientation. Parameter 1860 was factory set at 950.