The UP55A program controller comes standard with 8 contact input (DI) terminals, but I only know 3 of the terminal numbers.What are the other 5 terminal numbers?

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常见问题解答

You can determine the other 5 DI terminal numbers from the model code.
-*2* means no. 301–306.
The others (except -*4*) are no. 501–506.
-*4* means 303–304, 309–310, and 503–504 are added.

UP55A

UP55A是一款新发布的1/4 DIN尺寸程序控制器，可以提供多达30种程序模式，并且可以同时监测8个PV事件、16个时间事件和8个报警。同时，标配还包括梯形图顺控功能。

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