【摘要:】 本文介绍了PLC在模具加热系统中的应用;重点介绍了系统控制原理、控制算法以及PLC的程序实现。
关键词: PLC，J型热电偶，固态继电器

The application of PLC in the die heater control system
Abstract: The paper briefly introduces the application of the PLC in the pultrusion die heater system, highlight the principle of the temperature control system, the method of the controlling and achieving in PLC.
Key words： PLC(Programmer Logical Controller)，J type probe, SSR(Solid State Relay)

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