Fanuc Keep Relay Parameters Exclusive Jun 2026

Provide examples of K-parameters used for tool change troubleshooting.

: For certain system keep relays (like K900), values may only be visible or changeable when the Emergency Stop is pressed. Common Applications

If a technician accidentally enables two mutually exclusive Keep Relays at the same time, the PMC ladder logic will usually do one of three things: fanuc keep relay parameters exclusive

The exclusive nature of the keep relay held the exact solution. Without the OEM manual, the parameter is just a random bit.

The system cannot process external material handling signals from two distinct sources simultaneously. Hydraulic Chucking (Internal) K05.3 Hydraulic Chucking (External) Provide examples of K-parameters used for tool change

The keyword "exclusive" in the context of FANUC keep relays refers to a critical distinction between and system-reserved exclusive parameters .

Verdict: Use Keep Relays for exclusive "Yes/No" hardware options. Use Data Tables for numerical data or counters. Without the OEM manual, the parameter is just a random bit

In FANUC CNC and robot controllers, are bit-type non-volatile memory elements used to store machine-specific configuration settings. Some Keep Relays have exclusive, pre-defined functions — meaning their behavior is fixed by FANUC and cannot be reassigned by the OEM or end user.

Explain how to identify the specific Keep Relay for your machine's door lock.

For troubleshooting, keep relays can be used to bypass physical sensor alarms or simulate signals (like a "work gap sensor") during machine setup. Address Structure and Bit Significance