FAQ: What is the maximum number of cam data points that can be stored in a cam table?
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The Cam Tool software allows a maximum size of 4096 calculated data points for any given cam table.
However, there are a total of 32768 16-bit words available in the 'C' registers and 'M' registers of the MP900 series controllers. Cam data are typically stored as long integer numbers (which are 32-bit words). Therefore it takes 2 words for each master or slave position. It takes 4 words to make a single master-slave pair (a single point on the cam table). Dividing 32768 by 4 yields 8191 position pairs that can be stored in a single cam table. (Because 2 words are used as the table header that defines the number of cam points in the table.)
If an application requires multiple cam tables that would exceed the memory available, the cam table can be calculated from within the application program or downloaded from an HMI or PC.
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