I. Overview
In the process of man-machine interface (hmi) screen project file preparation, software modification and debugging work are indispensable. Under normal circumstances, the human-machine interface configuration software with touch function has offline function of project file, and does not need to connect user plc. The engineering staff can conveniently debug the compiled HMI project files until the project documents meet the design requirements.
However, when programming a small text human-machine interface, since the screen configuration software of the small text HMI generally does not support the offline simulation function of the project file, when the engineering staff prepares the project file, it is often necessary to connect the corresponding PLC multiple times to complete the HMI project file. The preparation work is time consuming and cumbersome. Here, we provide a serial device (such as PLC) emulator that can simulate the ModbusRTUSlave protocol. With the use of this simulation software, engineers can easily debug and modify the small text HMI project files on the PC.
Second, Modbus_Simulator software introduction
Modbus_Simulator is the simulation software of ModbusRTUSlave protocol device, which can be used for debugging of ModbusRTUMaster device. This software is a public welfare software, free to use without registration. Please let us know if you find a software bug in use! The software is released on the company's website. After downloading and unpacking, click the Modbus_Sim icon to use it.
The software runs on the Windows platform. After Modbus_Sim.exe is executed, the following screen pops up.
, or select the "Connect" item in "Communication", the POP-HMI text will communicate normally with the ModbusRTUSlave slave device emulated by the Modbus_Sim software. 4 Enter the working screen of Modbus_Sim, select the data register that you need to view or set according to the design requirements, and debug the POP-HMI text.
5 If the project file generated by the JB-HMI configuration software does not meet the design requirements, disconnect the Modbus_Sim from the text display and return to step 1 to modify the project file again until the design requirements are met.
Fourth, the conclusion
Modbus_Sim can simulate ModbusRTUSlave equipment well and can be used as a software simulator supporting ModbusRTUSlave communication protocol for debugging of various ModbusRTUMaste devices.
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5S management is applied in the production process of industrial wiring harness, starting with finishing, rectifying, cleaning, cleaning and other details. Pay close attention to implementation, form good working habits, and finally achieve the improvement of literacy. When the literacy of individuals and teams is improved, self-respect Form a combative team to produce high-quality custom wiring harness products.
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Kable-X Technology (Suzhou) Co., Ltd , https://www.kable-x-tech.com