The above configuration is that the 10 register slave device ID is 1, but only the data of the first 4 registers are read, which can be set according to your needs.ĥ. Next, open the installed modbus poll and modbus slave software, press "F8" or click setup->read/write (host)/slave (slave) definition to configure the relevant configuration of the master and slave, as shown in the figure: Two ports can be added at a time, I added two ports com1 and com2.Ĭheck whether two new ports have been added in the computer device manager -> ports:Ĥ. The following is the virtual interface of cvps9.0 tool: View Image With this tool, two com ports can be virtualized on one computer for debugging on one computer. I installed cvspd9.0 virtual com port before using it, because some computers do not have com port tools or need two computers to debug online. It is a very useful Modbus master/slave simulation program. Modbus poll and modbus slave are practical modbus development and debugging tools, which can be very convenient for modbus debugging. Since I just came into contact with this protocol, I used the modbus poll and modbus slave tools when debugging with third-party tools. Description: Recently, the modbus protocol has been used in the development of the project. Virtual Serial Port Driver 9.0 Virtual COM port toolĢ. Modbus slave and modbus poll instructions
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