CONTROLLER FOR ARC WELDING ROBOT

摘要

A controller for an arc welding robot is provided with an inverter circuit (1) for arc welding, main power supply switches (2a-2c) for turning on and off a main power supply which supplies power to the inverter circuit (1), a main power supply control part (3) for controlling the main power supply switches (2a-2c), and an emergency stop button (4) for stopping operation of the robot in emergency. When the emergency button (4) is depressed and the operation is stopped in emergency, the main power supply switches (2a-2c) are turned off with the emergency stop.