Check list

Are the necessary data cables connected correctly?
Is the device (PLC) that you are trying to communicate with connected to the power supply?
Are the used datablocks defined correctly in the PLC?
Is the IOTOOL by Boderson installed? Did you perform a network scan?
Have you analyzed the error file (which errors did occur)?

For further error analysis, please send a project backup and the error text file" (in the project path RT\FILES\zenOn\custom\log) to the support team responsible for you.