Fanuc Keep Relay Parameters Exclusive [ DIRECT ⚡ ]

When set to 1, it becomes impossible to modify these screens, even if they are visible. 3. How to Access and Modify Keep Relays

Modifying tool change requirements, such as allowing a turret to rotate before axes have reached their home position to save time. Parameter Structure & Addresses

Certain K-relays are designed for maintenance to temporarily bypass door locks or sensor checks during machine debugging. ⚠️ Safety Warning: Exclusive Nature of Keep Relays fanuc keep relay parameters exclusive

Move the cursor to the specific bit (0-7). Remember, bits read from right to left ( 76543210 ). Type 1 or 0 and press the softkey. Disable Parameter Write: Go back to the OFFSET/SETTING page. Change "PARAMETER WRITE" back to 0 . Press the RESET key to clear the system alarm.

K0000.0 to K0099.7 (Exact ranges vary by FANUC control series like 0i-F, 31i-B, etc.). When set to 1, it becomes impossible to

K0012.0 = 1: No 4th Axis installed (Hardcoded dummy bypass signals active).

Here is a breakdown of key bits:

Default to a safe state, ignoring both commands until the conflict is resolved.

Keep Relays are processed directly within the PMC scan cycle. Because they are bit-addressable, they are incredibly fast. They do not suffer from the latency sometimes associated with reading/writing to larger Data Tables (D-variables), making them ideal for safety interlocks. Type 1 or 0 and press the softkey