What action should be performed first when creating a new project in a PLC?

When creating a new project in a Programmable Logic Controller (PLC), the first action should be to match the software revision with the firmware of the PLC. This step is crucial because the software used for programming must be compatible with the PLC’s firmware to ensure proper communication and functionality. If there’s a mismatch in versions, it could lead to errors during programming and downloading of the project, potentially causing unexpected behavior of the PLC.

Ensuring that the software and firmware are aligned guarantees that the features and capabilities intended to be used are supported and that any updates or enhancements in the firmware can be properly utilized during the software programming phase. This foundational compatibility reduces troubleshooting later in the project development process, making it a priority task at the outset.