The ABB YYT107A is a rectifier board used in ABB S3 robot controllers. It is a printed circuit board (PCB) that converts alternating current (AC) to direct current (DC). The DC power is then used to power the robot’s electronics.

The YYT107A board is typically mounted inside the robot’s controller cabinet. It is connected to the AC power input on the back of the cabinet and to the DC power output on the front of the cabinet. The board also has several connectors for other components, such as the robot’s motors and sensors.

The YYT107A board is a critical component of the ABB S3 robot controller. It is responsible for providing the DC power that the robot needs to operate. If the board fails, the robot will not be able to function.

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