TECHNICAL NOTE
MOTION APPLICATION ENGINEERING GROUP
Yaskawa Electric America - 2121 Norman Drive South – Waukegan IL 60085
(800) YASKAWA - Fax (847) 887-7280
11/23/2005 42 of 42 eng/05.055/MCD
Modulus Technique
When an axis repeats an operation indefinitely in one direction, it may be important to modulate it
to create a repeating saw tooth value for a machine cycle or cam profile. A start location and
condition may need to be determined also. Typically, most applications start at zero in the cam
table, but it can vary as it is application dependant.
In the following example of a modulus technique, the start location is the beginning of the cam
table and the condition is the ending of the machine cycle.
1. Calculate the master position difference from the last scan
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