The bit is being written to by a "coil" in the PMC ladder logic. In this case, the software overrides any manual changes.
Elias realized he wasn't just fighting a setting; he was navigating the . To make them work together safely, he had to: fanuc keep relay parameters exclusive
Keep relay definitions are unique to your machine's MTB. Always refer to the Fanuc Maintenance Manual or the machine-specific electrical manual before making changes to avoid unintended mechanical movements. Fanuc Keep Relay Parameters Overview | PDF - Scribd The bit is being written to by a
When set to 1, it becomes impossible to modify these screens, even if they are visible. 3. How to Access and Modify Keep Relays To make them work together safely, he had
Change "PARAMETER WRITE" from to 1 . The machine will likely trigger an "ALM 100" (Parameter Write Enable) alarm, which is normal during this process. Access the Keep Relay Screen: Press the SYSTEM hard key.
Temporarily shielding external alarms or bypassing sensors (like a faulty conveyor rotation sensor) during troubleshooting.