Chapter 3 Programming
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With “Add device” window opened, click “Modbus_Master_COM_Port” in the device tree. Then “Modbus Slave,
COM Port” is shown in the “Add Device” window. Click “Modbus Slave, COM Port” and [Add Device] button
according to your Modbus system configuration. e.g. if 3 slaves are to be controlled, add 3 times of slave devices.
Double click on “Modbus_COM” or right click and choose “Edit Object”. Modbus_COM Configuration window
appears. Set 1 (body) or 2 (option board) as COM port number. Set parameters in this configuration window.
Function codes to be sent are configured in each slave. Double click a slave unit to open configuration window.
Set slave address and response timeout.
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