100-412-234 REV. 06 53
4.2.3 Circuit Descriptions
The 2000Xc Power Supply contains the following modules:
• Line Board
• System Control 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 power supply, 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. Additionally, the
Line Board contains a soft start circuit module which limits the effects of current inrush.
System Control Board
The System Control Board controls the following functions of the power supply:
• Responding to start and stop signals
• Responding to alarm and reset signals
• Responding to user input from the front panel
• Activating and monitoring ultrasonics
• Provides information for Front Panel Displays
• Generate alarms
• Control communications
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