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C. Modular MMI (Man/Machine Interface) Panel System
Introduction
The interchangeable control panels (MMI) are available in 4 dierent models depending on the needs of the welding opera-
tor and the welding application. The panels are designed for easily removal and replacement. The following describes the
functions and capability of each MMI panel.
SECTION 1 DESCRIPTION
Basic Dual Schedule MMI Panel
The Basic Dual Schedule MMI panel allows the preset of two sets of welding parameters. Both wire feed speed IPM or
VOLTS can be preset on power sources with remote voltage capability. The SCHEDULE select switch determines the weld-
ing schedule (A or B) to be used when the gun trigger is depressed. The welding schedules (parameters) can be switched
while welding using the "Click Click" trigger technique where the gun trigger is released and depressed quickly (within 0.2
sec). This option module can be used to provide a hot start, crater ll or a gap lling welding parameter in addition to the
standard welding parameter typically used for the given weld application.
Basic MMI Panel
The Basic MMI panel is the simplest design with one CV welding schedule having a wire feed speed adjustment and remote
voltage adjustment (if the power source is capable of remote voltage control).
NOTE
For ALL dual schedule MMI panels, a weld schedule can be disabled by placing the wire feed speed
knob to the minimum position or "0" (zero) position. This will eliminate the accidental triggering of the
Mig gun into the alternate weld schedule.
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