说明：  标题: 基于lora及wifi无线通信的无线PLC在物联网远程IO控制场合中的应用 标签: 无线plc，无线开关量，无线io模块，wifi开关量，io控制卡 文档介绍: 本文档描述lora和wifi无线通信方式在远程开关量模拟量控制场合中的应用，无线开关量采集传输，无线模拟量采集读取以及0~5V，4-20ma,0~10V,0-20ma电压电流信号的采集传输，
(Title: Application of wireless PLC based on Lora and WiFi wireless communication in remote IO control of Internet of things Label: Wireless PLC, wireless switch quantity, wireless IO module, WiFi switch quantity, IO control card. Document introduction: This document describes the application of Lora and WiFi wireless communication in remote switching analog quantity control, wireless switching volume acquisition and transmission, wireless analog acquisition and reading, and the acquisition and transmission of 0~5V, 4-20mA, 0~10V, 0-20mA voltage and current signals.)