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本文介绍采用可靠性极高的可编程控制器（ＰＣ）为上位机，单片微机电阻焊控制器为下位机的双机系统结构，实现电焊车间多台焊机的联锁控制。
This article describes the use of highly reliable programmable logic controller (PC) for the host computer, single-chip microcomputer resistance welding controller for the next crew of the dual-machine system structure, welding workshop to achieve more than one machine interlock control.