Did you know that Mitsubishi FR-A800, FR-E800 and FR-F800 series Variable Frequency Drives (VFDs) include built-in Programmable Logic Controller (PLC) functionality?
That’s right, the VFDs/Inverters that you are used to using to drive your 3-phase motors have a built-in PLC that can be enabled to do logic control without an external device. Not only this, but you can add extra input and outputs via add-on cards to expand the functionality.
Let’s look at a simple example – the E800 VFD