Concise applications can be developed by choosing the most suitable programming language for each application or the preference of the user from five IEC61131-3 compliant languages including Function Block Diagram, Ladder Diagram, and Sequential Function Chart. Loop control and sequence control can be coded within the same environment, further improving engineering efficiency.

Engineering efficiency is improved by reusing the programmed and verified applications.

Virtual wiring to input/output modules can be defined in the software, and so loop checks and testing of ladder sequences can be performed without actual inputs to the FCN and FCJ from a calibrator or test switches.

The simulator functions simulate the control applications of the FCN/FCJ on a PC. Since this function does not require FCN/FCJ hardware, control applications can be developed simultaneously by two or more engineers. Alternatively, applications can be developed and debugged separately from applications running on FCN/FCJ.
Users can also debug applications of VDS since FCN/FCJ simulator data can be accessed from VDS.