CHAPTER 1: DESCRIPTION
HF-2500A HIGH FREQUENCY WELD CONTROL
1-2 990-371
Section II: Introduction
The Power Supply is a 25 kHz, three-phase, state-of-the-art inverter power supply for joining precision
small parts at high speed with controllable rise times. The delivered welding energy is in the form of DC
welding energy. High speed (40 microseconds) digital feedback automatically controls weld current,
voltage, or power, providing more welding consistency compared to traditional direct energy (AC) or
capacitive discharge (CD) technologies. This microprocessor technology automatically compensates for
changes in work piece resistance, load inductance, weld transformer saturation, and changes in line
voltage. In addition, special power device technology precisely controls the weld energy at both high and
low energy levels.
• You can program the Power Supply from the
front panel, using simplified key clusters and
on-screen data fields. A MAIN MENU screen
allows you select all of the system setup
options for working with inputs from external
equipment.
<MAIN MENU>
1. SETUP 6. COMMUNICATION
2. WELD COUNTER 7. RELAY
3. COPY A SCHEDULE 8. RESET TO DEFAULTS
4. CALIBRATION 9. CHAIN SCHEDULES
5. SYSTEM SECURITY
NUMBER Select an item
RUN
screen allows you to easily modify
any time period, current, voltage, or power
value.
Run Screen
MONITOR
screen provides instant visual
feedback on the actual current, voltage, or
power used to make each weld. It permits
you to program adjustable limits for both
weld pulses.
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