Modbus具有两种串行传输模式：分别为ASCII和RTU。 Modbus是一种单主站的主从通信模式，Modbus网络上只能有一个主站存在，主站在Modbus网络上没有地址，每个从站必须有唯一的地址，从站的地址范围为0 - 247，其中0为广播地址，从站的实际地址范围为1 - 247。Modbus RTU ...

本方案以WinCC与西门子S7-1200和S7-200Smart PLC为例，在ModbusTCP/IP协议下实现无线以太网通信实现过程。在本方案中采用了西门子PLC ...

本方案以WinCC与西门子S7-1200和S7-200Smart PLC为例，在ModbusTCP/IP协议下实现无线以太网通信实现过程。在本方案中采用了西门子PLC ...

*与德国SIMATIC（西门子）.瑞士ABB.美国罗克韦尔（AB）.法国施耐德.美国霍尼韦尔.美国艾默生合作。 公司有专业的技术团队，销售团队，公司成员150于人.为客户提供专业的技术支持，产品资料，售后服务。 在工控领域，公司以精益求精的经营理念，从产品、方案 ...

TCP and serial RTU access is supported. The server internally allocates memory for 65536 coils, 65536 discrete inputs, 653356 holding registers and 65536 input registers. On start, all values are ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Most enterprise architectures use a single, reverse proxy server to handle all incoming requests ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Web clients should never hit an application server directly. Instead, all web-based requests ...

The Siemens S7-1200 G2 NFC App uses near field communications (NFC) to provide access to the S7-1200 G2 compact PLC. Just touch your phone to the front of the S7-1200 G2 CPU and you can change the CPU ...

Combine .Net with C# and HTMX for a streamlined development process that yields a dynamic front end without writing a line of JavaScript. There are many stacks on the server side and one of the most ...