This instructable will not cover in depth how to actually program using the IEC standard languages, beyond some essentials of getting it moving, it focuses more on the hardware setup. It will cover quite a bit however I have structured it so hopefully you can pick and choose what you wish to do. I will also cover how to control relatively cheap Beckhoff I/O and a small Technosoft Servomotor over the EtherCat communication protocol, as well as creating a web visualisation to control the IO through your smartphone. In this instructable I will be showing you how to control the GPIO of the Pi. You can program using the traditional Ladder Logic to the more modern Structured text and Continuous Flow Chart (IEC 61131-3 standards).Īlthough usually very expensive and aimed at industrial environments, CODESYS released a target which essentially turns a RPi into a £25 PLC. Although CODESYS is also a nice alternative to using python to control the GPIO, I2C and the camera of the Pi.įor those who don't know, CODESYS is a PLC programming environment and is utilised by many industrial automation companies such as Bosch, Beckhoff, Festo, Eaton, Wago and many more. This instructable is aimed not so much to hobbyists, but rather to budding control/automation engineers. This instructable is essentially a tutorial to get you going using the CODESYS environment to program a Raspberry Pi.
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