用PLC替代老设备的继电器控制箱，使产品更新换代。给出了替代的一些步骤和方法。
Control case with the relay of PLC replacing old equipment, make produce renew, have given some replacing step and method.
复杂设备的电气控制箱正在被可编程控制器所代替。
The electric control box of complex equipment is being replaced by PLC.
本设备带有危险电压设备上电后在运行和操作时，不得打开电柜门和电器控制箱以免触电带来危险。
Equipment with dangerous electricity. When operation with electricity electric cabinet and control cabinet door cannot be open to avoid electricity danger.
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control device.
设备上的好多附件、接口和控制箱怎么都没有铭牌？
There are not any name plates on so many accessories, connections and control boxes.
发电机控制箱(屏)是同步发电机组的配套设备，主要是控制发电机送电及调压。
Generator control cabinet and panel are auxiliary devices synchronous to the generator set, mainly used to control electricity distribution and voltage adjustment.
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control dev...
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control dev...
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