Most modern Fanuc controls (Series 31i, 32i, 0i-D and later) allow OEMs to apply to specific ranges of Keep Relays.

: Since specific settings are retained, there's less need for reconfiguration after power outages or system resets, thereby reducing downtime and increasing overall productivity.

Exclusive Keep Relays are the DNA of the machine tool builder’s logic. Treat them with respect. Always back them up. Never modify them without the exclusive documentation.

To access Keep Relay parameters on a FANUC control (0i, 16i, 18i, 21i, or 31i series), follow this general pathway through the system interface:

, meaning their functions are exclusive to the specific machine model or manufacturer. 1. Understanding Exclusive Functions

This article explores what Keep Relays are, why their "exclusive" nature is vital, how to access them, and the best practices for managing these hidden switches.

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