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I have used these in the past, and yes, they are very reliable. Very good support system. Easy to program, start-up, and get running. This application was on a stamping press in the automotive industry.
A typical product has such advantages as low cost and easy implementation. However, the main and very significant disadvantage of typical softwares managemart and cloud servers is that some of them are difficult to set according to individual company characteristics due to limitations in advanced settings or lack of them.