AppID:application identification
The attribute AppID shall be a visible string that represents a LOGICAL-DEVICE in which the GOCB is located.the default value of AppID shall be that of the ObjectReference of a GoCB. (IEC61850-7-1)
AppID用以选择含有GSE 管理和GOOSE
报文的信息的ISO/IEC 8802-3 帧,以及区分应用关联。
可视为“主题”,即订阅者通过APPID判断报文中信息是否为自己所需。
GOOSE报文中AppID范围为0x0000-0x3FFF。