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3.3 2000IW/IW+ Electrical Assemblies
3.3.1 Circuit Descriptions
The Integrated Welder contains the following modules:
• Line Board
• Control Module (Controller board and Display Board)
• Ultrasonic Power Module
• DC Power Module
• User I/O
The following sections contain descriptions for each module.
Line Board
The Line Board performs the dual function of providing RFI filtering for the line voltage
input to the Integrated Welder, and controlling the electrical current surge to the
ultrasonic Power Supply Module at power up until the inrush current limiter relay engages.
The filtering also blocks ultrasonic signals from entering the AC main line.
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