Web2 days ago · Posts: 7. Rating: (0) Thank for you response. I tried, the second solution and the result was the same. I will try with the right type of data. When I try to read the data with this lines : plc.read ("DB20.DBX0.0"); I have this result : "The variable'DB20.DBX0.0' could not be read. Please check the syntax and try again." WebI am having the same issue when I want to read the data from S71500 Safety PLC. but the only difference is "S7.Net.PlcException:“Received 15 bytes: '32-02-00-00-00-00-00-00-00-00-81-04', expected 19 bytes.”". I have used the same code to read from S71200 PLC, it was working fine. So I am not sure. Can anyone assist me on this? from s7netplus.
Using the S7.Net library to read data wrong result
WebAug 1, 2024 · 1、导入S7.net通信文件：打开工具->NuGet包管理器->管理解决方案得NuGet程序包，入下图搜索S7，安装S7netplus。 在程序 中 引用 S7 .Net 文件 使用 S7 .net 读取 … WebYou have to specify the memory type (dataType), /// the address of the memory, the address of the byte and the bytes count. /// /// MemoryType (DB, Timer, Counter, etc.) /// Address of the memory to be read /// Start address of the byte /// Number of bytes to be read /// private Types.ByteArray CreateReadDataRequestPackage (DataType dataType, int … grant and stone oxford plumbing
C#与西门子PLC通信完整实例 - 知乎 - 知乎专栏
WebApr 13, 2024 · 最近因为工作的原因用到了西门子PLC，在使用过程中一直在思考上位机和PLC的通讯问题，后来上网查了一下，找到了一个专门针对S7开发的一个.net库– … WebThe 15 bytes received are part of the total message, which includes a header before the actual response. If it's only 15 bytes (instead of the expected 19). What's strange though … WebWhat is S7.Net S7.Net is a plc driver that works only with Siemens PLC and only with Ethernet connection. This means that your plc must have a Profinet CPU or a profinet … chin ups for back