基于PLC的船舶中央冷却水控制系统及其基本功能实现

Marine Central Cooling Water Control System Based on PLC and Basic Function Implement

船舶冷却水控制系统目前发展目标是节能和精度。本文利用西门子最新技术开发基于S7-200PLC的自整定PID和PWM输出的船舶中央冷却水控制系统,通过程序实现其基本功能。

These days the development targets of marine cooling water control system are energy - saving and precision. This paper exploits marine central cooling water control system based on PID tune and PWM deferent of S7 -200 PLC utilizing technology of SEIMENS up to the minute ,implements its basic function via program.