This paper mainly introduces how to use Node-RED with Siemens S7-1515 PLC through S7 communication,to achieve remote monitoring and mail alarm function.Firstly,the related technologies of Node-RED and Siemens S7-1515 PLC are introduced,then the design and implemen-tation process of the system are elaborated,and finally the system is tested and applied.The successful application of the system provides an effective solution in the field of industrial automation,which can monitor the fuel tank level in real time and send timely alarm emails beyond the preset range,improving production safety and efficiency.
关键词
Node-RED/西门子S7-1515/PLC/油箱液位/远程监控/邮件报警
Key words
Node-RED/Siemens S7-1515 PLC/protocol/fuel tank level/remote monitoring/mail alarm