FIELD: welding equipment.
SUBSTANCE: invention can be used in devices for pulse feeding of welding wire into the welding zone. The device contains a microcontroller connected to a power switch unit, which is configured to be connected to the electric motor of the wire feed mechanism, a motor current sensor and a data input unit connected to the corresponding inputs of the microcontroller. The device is also equipped with a supply voltage attenuator, a communication unit with an external control device and a display, appropriately connected to the microcontroller, which is configured to programmatically generate a PWM signal supplied to the control device of the bridge circuit of the power switch unit with the possibility of adjusting the corresponding feeds of the mechanism.
EFFECT: use of the invention makes it possible to expand the technological capabilities of the device and simplify its design.
1 cl, 3 dwg
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