
FANUC Robot Emergency Stop Unit
The FANUC A05B-2680-C422 emergency stop unit is used for robot safety shutdown and servo enable interlock, suitable for repair and replacement after issues such as emergency stop failure to reset, abnormal contacts, or safety circuit faults.
Product Type: Robot Emergency Stop Unit / Safety Operation Component
Compatible Equipment: FANUC robot systems matching the A05B-2680-C422 configuration
Main Function: Provides emergency stop operation and transmits the emergency stop status to the controller's safety circuit
Common Faults: Abnormal emergency stop button press or release state, failure to reset, servo failure to start, poor contact at terminals, connector or cable damage
Product Use: Equipment repair and replacement, scheduled maintenance, and critical spare parts inventory
Selection Verification: Complete model number, equipment configuration, button structure, number of contacts, interface, cable length, and installation method.
Application Scenarios
- FANUC robot operator stations, control cabinets, or related safety operation locations.
- Replacement after mechanical damage to the emergency stop button or abnormal contact resistance.
- Before replacement, inspect external emergency stops, safety doors, and the control cabinet safety chain.
- After replacement, verify emergency stop action, reset, servo enable, and safety shutdown step by step.