基于PLC的定型机温度控制系统的研究

Research on Temperature Control System of Setting Machine Based on PLC

基于PLC的定型机烘房的温度控制采用西门子S7-200系列的PLC做控制器,详细介绍了定型机温度控制的总体构成,仔细分析了系统的输入输出信号,温度检测系统采用一体化的温度变送器,进行了PLC模块选择和扩展模块的选择,进行了PLC控制系统电路原理图设计,分析了PID控制算法及其实现。

The temperature control of setting machine drying room uses PLC of SIEMENS S7-200 series as the controller. It introduces the overall structure of the setting machine temperature control in detail, and fully analyzes the input and output signal of the system. The temperature test system adopts the integrated temperature transmitter, selects PLC module and expansion module, and designs the circuit schematic diagram of PLC control system. The paper analyzes the PID control algorithm and its realization.