OPC UA 官网

中国官网

http://opcfoundation.cn/

基金会

http://external.informer.com/s/opcfoundation.org/developer-tools%2Fdeveloper-kits-unified-architecture%2Fsample-applications

免费资源下载网站

http://opc-ua-sample-applications.software.informer.com/download/

http://www.iotfans.com/index.php?m=content&c=index&a=show&catid=74&id=564