Pricewise, a (fast) 24V IO board for for the Raspberry Pi would fit my needs, especially if ClassicLadder could be run on it (with the RT kernel).īut thanks for for the advert, will have to follow their progress. I've seen prices of about 100€ for entry level PLC devices, but they are far from closed, most even charge for the programming software, and all require Windows. ClassicLadder states a price of 249€, openPLC say nothing of the price. I haven't found any hobby level (cheap) solution that could replace the typical PLC industrial style automation. What I'm missing Arduino et al is 24V support. What typical PLC's have over hobby mc's (apart from easy programming), is that they are robust, they use 24V (that is an industry standard), and can supply useful levels of current directly to actuators (even 230V/400V with integrated relays), and support several types of bus communication.

There are specialised solutions for use as CNC-controllers, but they are expensive, and no longer really PLC's, but CNC-contollers with PLC functionality integrated (so basically like any industrial cnc-solution). PLC's are relatively easy for typical industrial automation tasks, but generally not useful for fast precise robots (like for 3D-printers). Is a highly specialised CAD-application for industrial laser marking purposes, it can be used to create data for 2D and 3D laser scanner systems. XY-tables and connected tools for material processing. CNConstruct is a CAD-tool that can be used to create motion and processing data for controlling e.g. Here the ControlRoom software package covers the visualisation and process control part of the OpenAPC package.

It consists of several sub-components that are specialised for different tasks. So keep the Stuxnet worm and other, buffer-overflow dependent risks way from your SCADA and PLC system: OpenAPC is an Open Source APC (Advanced Process Control) solution that is and covers a wide range of automation, visualization and process control tasks from home control up to industrial automation. Now that there is virus it is time to change to an alternative solution that does not depend on one operating system only.

Additional functionality can be added to a ladder logic implementation by the PLC. Ladder logic is used to develop software for. A simple low cost open source implementation of PLC ladder logic like this for.

The idea was to make an open source PLC system that.

Open source plc ladder logic software