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How to read data from a modbus slave connected to a Modicon M340 Modbus master through an ERIO bus

The READ_REG_QX function in Unity Pro v7 is used to read registers in a Modbus slave connected to a Modicon M340 Modbus master through an ERIO bus. When programming a READ_REG_QX function, you must be familiar with the routing procedures used by your network. After doing the initial configuration of the modbus master module you need to use the ADDMX block along with Read_Reg_QX block to read data from the modbus slave
device.
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