Welding control device adopts microcomputer for process control, arcstriking, welding, arc extinguishing control, auto arc voltage control and auto tracking of welding seams.
焊接自动控制装置采用微机实现焊接过程控制，完成引弧、焊接、熄弧控制及弧压自动调节和焊缝自动跟踪。
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When welding current is fixed, some important information such as length and section area of welding cable, connection of ground wire can be shown by output voltage of instantaneous arc-striking.