TECHNICAL NOTE
MOTION APPLICATION ENGINEERING GROUP
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11/23/2005 41 of 41 eng/05.055/MCD
Finally. the value of the accumulator word is unconditionally stored to the Motion Command
register for axis 1.
The Waterfall technique illustrates the suggested use of local registers, in particular the
accumulators. Best Practices recommends the use of the following specific local registers when
implementing the waterfall technique:
Accumulator Register Address Recommendation:
DW00026 16 bit integer accumulator (ex. motion command code)
DW00027 16 bit logic (hexadecimal) accumulator (ex. parameter number write)
DL00028 32 bit long accumulator (ex. position reference)
DF00030 32 bit floating point accumulator (ex. floating point references)
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