The solutions of welding head problem: do not feed wire运行逻辑:送丝机通过尾部的两芯插头信号线,接到控制盒的信号接口二的5/6脚,系统运行时控制盒主板内置继电器吸合后5/6导通,送丝机开始工作(即5/6脚控制通断)Operating logic:the wire feeder connects to the 5/6 pin of the signal interface of the control box by the two-core plug signal lines in the terminal. เมื่อระบบ