校验码:校验码通常是一组数字的最后一位,由前面的数字通过某种运算得出,用以检验该组数据的正确性。代码作为数据在向计算机或其它设备进行输入时,容易产生输入错误,为了减少这种输入错误,编码专家发明了各种校验检错方法,并依据这些方法设置了 ...
Modbus TCP connections pose many benefits over RTU RS-485 alternatives. Image: PV Tech. In the last couple of years, the market has seen a few commercial and industrial (C&I) inverter models and ...
最近在调一个项目,单片机使用STM32F429,网口芯片使用W5500(用的人应该很多吧),通信协议使用MODBUS。 因为MCU资源比较多,准备上个RTOS。又因为RT-Thread最近几年比较火,准备尝试一下。 搭建开发环境RT-Thread Studio,创建工程,启用外部时钟,启用SPI接口。
TDK has announced a Modbus TCP interface option for the Genesys+ series of programmable DC power supplies. The option is available on all models ranging from the 1U high half rack GH1.5kW to the 3U ...
TDK Corporation has introduced a ModBUS TCP interface option to its GENESYS+ series of programmable DC power supplies. The option is available on all models ranging from the 1U high half rack GH1.5kW ...
An ultra-compact design doesn’t have to mean limitations in terms of functionality. DISPLAY VISIONS demonstrates this with ...
A new ultra-compact touchscreen interface proves that industrial control doesn’t need a large display to deliver big ...
The Industrial Automation Group of Advantech introduces the APAX-5070, a high-density Modbus/TCP Remote I/O solution. This Modbus/TCP coupler module allows any PC, controller, or HMI device that ...
Moving to make the Modbus protocol a “real” open standard, rather than a “de facto” standard, Schneider Electric has transferred its copyright of the protocol to Modbus-IDA, a nonprofit organization ...