可带串行通信输出，可与各种输入/输出的设备双向通信，组成分级控制系统。
二、仪表外形及接线图：（以下为基本配线方式，特殊订货请参见随机接线图）
SWP-LCD-M806-00,SWP-LCD-M806-01,SWP-LCD-M806-02,SWP-LCD-M806-03,SWP-LCD-M806-04,SWP-LCD-M806-05
SWP-LCD-M806-20,SWP-LCD-M806-21,SWP-LCD-M806-22,SWP-LCD-M806-23,SWP-LCD-M806-24,SWP-LCD-M806-25
SWP-LCD-M806-40,SWP-LCD-M806-41,SWP-LCD-M806-42,SWP-LCD-M806-43,SWP-LCD-M806-44,SWP