Motor Control Card A001; Power Supply; Leds - Kemppi FASTMIG X 450 Service Manual

2. MOTOR CONTROL CARD A001

2.1. Power supply

Control card A001 auxiliary voltages are created from the +50V bus voltage.
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Flyback controller N2 is used to regulate +9V (actual value is 10,6V) voltage from +50V. Step down regulator N14 is
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used to regulate +5V from +9V. Low dropout regulator N1 regulates +3.3V

2.2. Leds

Kemppi OY
SERVICE MANUAL
FASTMIG X
Led Description
H1 Data line
H2 Aux. voltage + 5 Vdc
H3 Aux. voltage + 9 Vdc
H4 Aux. voltage + 3,3 Vdc
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