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6. PROGRAMMING
MECSC-A
4
maximum of 2,000 words may be read or written using one instruction.
Note however that in this case the watch dog timer (WDT) may need to
be reset.
I
I
(2) Present value read program
example
[Example] Indication
of
X axis present value
~~~~~~
~~
~
~~~~~~~~
[Notes]
(1) During positioning, the present value
as stored in the
AlSD71
buffer mem-
ory lags behind the actual value by about 0.1 seconds.
(2)
The present value is two words long.
[Data transfer]
CPU data
register
AlSD71 buffer
memory
Written to D l 1 and 12
(32
bits)
[Program]
P'
Read command
I
Converts
the
contents
of
D l 1
to D l 2 into BCD for display on
a seven segment device
6 - 9
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