Chapter 5: Technical Specifications
Standard Modules and Components
5-6 011-003-991 EN
Ultrasonic Power Supply
The Ultrasonic Power Supply Module generates ultrasonic energy at the resonant frequency of your Con-
verter-Booster-Horn Stack. The Ultrasonic Power Supply Module is configured as either analog or digital,
and each contains five main circuits. The analog power supply has one preset which calls up the factory
default setting. The digital power supply has a library of locked presets which are accessible for various pro-
cess parameter modifications that are unique to the power supply itself. These modifications can be named
to reflect specific applications, and are loaded into memory prior to shipment from the Branson factory. The
parameters of the individual presets can be modified by a Branson representative. Initially all presets are
set to factory default. They are accessed via an RS232 link to the system controller.
• 320VDC Power Supply: converts AC line voltage to +320VDC for the output power devices.
• Output circuit – matches the impedance of the output power device to the Converter-Booster-Horn
Stack; and provides feedback to the Control circuit.
• Control circuits: perform the following functions:
• Provide drive signal to output power device.
• Determine true percentage of ultrasonic power used over a range of amplitudes.
• Allows control of the resonant frequency.
• Control starting amplitude.
• System Protection Monitor (SPM) and AutoTune with Memory (AT/M) circuit do the following:
• Provide overload protection for the Ultrasonic Power Module.
• Store operating frequency of last weld (frequency memory) and use the stored frequency as a
starting point for the next weld.
• Check and update frequency memory on start-up.
• Provide switch-selective starting ramp times (Start).
DC Power Module
The Switching DC Power Module rectifies, filters, and regulates the AC voltages from the Line Transformer
into DC voltages for the System Control Module. These two circuits are described below:
• 5VDC output: provides +5VDC for the analog and digital circuitry on the
System Control Module.
• 24VDC output: provides +24VDC for the
System Control Module control signal and user I/O voltage.
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