node-red-contrib-opcua
https://github.com/mikakaraila/node-red-contrib-opcua
https://flows.nodered.org/node/node-red-contrib-opcua
Node-Red编程 OPC UA Client 读写PLC变量
https://www.ad.siemens.com.cn/club/bbs/post_like.aspx?a_id=1463484&b_id=114
https://github.com/mikakaraila/node-red-contrib-opcua
https://flows.nodered.org/node/node-red-contrib-opcua
https://www.ad.siemens.com.cn/club/bbs/post_like.aspx?a_id=1463484&b_id=114