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The Miller 238469 is a microprocessor-driven, closed-loop motor control circuit card assembly designed for S-74 series wire feeders. It utilizes Pulse Width Modulation (PWM) to provide precise regulation of wire feed speed for GMAW and FCAW welding processes.
Features
Microprocessor-driven motor control logic
Closed-loop feedback for precise speed regulation
Integrated wire feed speed control
Burnback control functionality
Run-in control functionality
Conformal coating for moisture and environmental protection
FR-4 substrate for structural integrity
Specifications
Manufacturer: Miller Electric (ITW)
Part Number: 238469
Input Voltage: 24V AC
Control Logic: Microprocessor-driven
Control Type: Closed-loop motor control
Regulation Method: Pulse Width Modulation (PWM)
Substrate Material: FR-4
Environmental Protection: Conformal coating
Compatibility: Miller S-74 series wire feeders
Applications
Gas Metal Arc Welding (GMAW)
Flux Cored Arc Welding (FCAW)
S-74 series wire feeder motor regulation and repair
