The present disclosure provides a computing device being configured to execute a configuration software tool for providing a plurality of function blocks and connections between function blocks in a visual representation of configuration data of an intelligent electronic device, wherein each function block is for executing a function in the intelligent electronic device. The configuration tool comprises computer-executable instructions for retrieving hardware configuration data relating to external variables created by second configuration software, and for causing the computer to generate a visual representation having the plurality of function blocks and said hardware configuration data. The present disclosure also provides a configuration system of an intelligent electronic device for power transmission and distribution.