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(a) Start axis area details
Use
t h e
two least significant bits of these addresses to define the
start axis. (See Fig. 3.35.)
J
b2 to blS may be 1
or
0
(ignored by
OS).
4
00 :Interpolation start
01 :X axis start
10
:Y axis start
11 :Both-axes start (No interpolation)
Flg. 3.35 Start Axis Area
The following occurs if both axes are started and an error is found
in one:
..
1) both axes stop
if
the error has occurred between consecutive
2)
only the axis with the error stops
if
the error occurred after both
positions.
axes have started.
(b)
Data setting precautions
1) When both axes are to be started together (Le. interpolation
setting 00 or independent setting 11) ensure that the start axis
data matches for both X and Y axes at that point. Processing will
stop if the data does not match. Refer to Fig. 3.36.
X axis
Address 0
1
I
200
I
Y axis
Address 300
I
100
1 st point
30 1
2nd point
3rd point
304
305
306
4th point
In the above example,
X axis
Y axis
2nd point
Interpolation start
Interpolation start
+
OK
3rd point
Both-axes start
Both-axes start
+
OK
4th
point
X axis start
Interpolation start
+
Error
When positioning is switched to the 4th point, an error occurs
with
the
Y axis and positioning of the Y axis is stopped.
Fig. 3.36 Start Data
Example
1
3 -53
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