Free Quilting Patterns & Tutorials & Classes in this quilting course: 1  Class #1: Fussy cutting ~ How to Make a Quilt: Free Quilting Beginners Class. 2  Class #2: Quilting Tools â What youâll need as a beginner. 3  Class #3 : How to Choose & Work with Quilting Fabric.  Class #4: How to Read & Work with a Quilt Pattern.
A Human-Machine Interface or HMI is the apparatus which presents process data to a human operator, and through which the human operator controls the process.n HMI is usually linked to the SCADA system's databases and software programs, to provide trending, diagnostic data, and management information such as scheduled maintenance procedures, logistic information, detailed schematics for a particular sensor or machine, and expert-system troubleshooting guides.
In the picture, above at the top, is a Mitsubishi FX1S-20MR, the 20 stands for the amount of inputs and outputs, in this case 12 inputs and 8 outputs. The 'FX' is the (Mitsubishi) family of PLC that it belongs to and the '1S' part is its model type. - BTW-Just for your information, the abbreviation PLC and the term 'Programmable Logic Controller' are in fact registered trademarks of the Allen-Bradley Company, although nowadays they are widely used as a generic description.