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CLOSED = CC (Constant Current)
OPEN = AVC (Automatic Voltage Compensation).
When closed (CC mode), all current values are programmed in
actual current (A). For example, entering 9.50 as the value for
Weld Cur, the control will pass 9,500 A. through the gun during
the Weld function. (This is regardless of the amount of metal in
the throat of the gun or metal stack-up, but provided the welding
transformer can deliver the requested current.) DO NOT use
constant current mode initially. Run AVC mode first.
If open (AVC mode), all welding current is in terms of the percent
of available current. If programming 50% for Weld Cur, the
control will deliver 50% of the maximum current that the welding
transformer and its secondary can deliver. The AVC feature
automatically adjusts the percent of available current so that
weld quality is consistent, regardless of voltage fluctuations on
the welding bus. Refer to Chapter 7, "Faults and Messages",
Compensation Fault before making your first weld, and use AVC
mode first.
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CLOSED = binary schedule initiation
OPEN = discrete schedule initiation.
If DIP 2 is in the closed position, then schedules 1 – 15 are
selected by placing a binary combination on inputs FS1 – FS4.
The first four inputs are, in order,
• FS1: Binary Pilot 1
• FS2: Binary Pilot 2
• FS3: Binary Pilot 4
• FS4: Binary Pilot 8
To choose which schedule to run, add up the appropriate binary
pilot numbers to get the desired schedule. For example, to run
schedule 3, energize BINARY PILOT 1 and BINARY PILOT 2 at
the same time. To run schedule 4, energize only BINARY PILOT
4. To run schedule 5, energize BINARY PILOT 1 and BINARY
PILOT 4 at the same time.
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