能越来越强大，其应用也越来越广泛，在工业控制的现场随处可见。ＰＬＣ在控制模拟量时，较好的方法之一是与被控量组成闭环控制系统，进行ＰＩＤ调节。本文以日本欧姆龙公司生产的ＰＬＣ为例子，阐述了在ＰＬＣ控制系统中实现ＰＩＤ调节的方法。２　　利用PLC普通算术运算指令实现PID控制２．１　　PID调节的离散化常规的ＰＩＤ控制规律为：01()()[()()]DIdetutKpetetdtTTdt+=++∫　　　
MKS2PIN-V-2 AC120
MKS3PI1-D DC110
MKS2PIN-2 DC100
MKS3PIN-D DC6
MKS3PIN-2 AC240
MKS3PIN-V-5 AC110
MKS2PIN AC120
MKS3PI-V-2 AC6
MKS3PI-5 AC220
MKS2PI AC50
MKS3PIN-D-2 DC100
MKS3PI-5 AC120
MKS3PI-2 DC48
MKS2PIN DC48
MKS3PIN-V AC50
MKS2PI-D-2 DC48
MKS3PI-5 AC240
MKS3PI1-D-2 DC6
MKS2PIN-2 AC240
FX-2PIF
MKS3PI1-D DC12
MKS2PI-D DC6
MKS3PI-5 AC230
MKS3PIN-V AC230
MKS2PI AC6
MKS2PIN-2 AC6
MKS3PI1-D-2 DC100
MKS3PI-2 AC200
MKS2PIN-2 DC24
MKS3PIN-2 AC6
MKS2PI-2 AC200
MKS2PIN-2 DC12
MKS2PI-V AC200
MKS3PIN-V-5 AC24
MKS3PI-D-2 DC12
MKS3PIN-2 DC6
MKS3PIN1 DC6
MKS2PI-D-2 DC6
MKS3PI-D-2 DC24
MKS3PI-V AC230
MKS3PI-5 AC200
MKS3PIN-V AC110
MKS3PIN1-2 DC6
MKS2PI1-D-2 DC12
MKS3PIN-V-2 AC50
MKS3PI-5 AC50
MKS2PIN-V-2 AC24
MKS3PI-V AC12
MKS2PI-2 AC100
C200H-PID02