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6-6
Section
Present Position Preset
151
6-6
Present Position Preset
PRESENT POSITION PRESET changes the present position to any value.
6-6-1 Outline of Operation
When the PRESENT POSITION PRESET Bit is turned ON, the present position
is changed to the value set in the operating data area. During present position
preset, the Busy Flag will be ON (1 cycle min.). The Busy Flag turns OFF to indi-
cate that preset operation has been completed. After this, the origin is estab-
lished. If the present position is changed to “0,” then that position will become the
origin.
6-6-2 Beginning Words of Operating Memory Area, Operating Data Area,
and Parameter Areas
The beginning words of the operating memory area, operating data area, and
common parameter area used for a Position Control Unit (PCU) are determined
(or set) according to the following.
•
Beginning word of the operating memory area, n = CIO 2000 + 10
×
unit num-
ber
•
Beginning word of the common parameter area, m = 100
×
unit num-
ber
•
Beginning word of the operating data area, l, is specified in m and m+1.
Set the beginning words of the operating data area and designate the axis
parameters used with the common parameters as shown below.
Word
Name
Bit
Reference
m
Operating data
area designation
00 to 15
Section 4
m+1
Beginning word of
operating data
area
00 to 15
m+2
Axis parameter
designation
00 to 15
6-6-3 Operating Memory Area Allocation and Operating Data Area
Settings
Operating Memory Area
Name
Model
Operating memory area
Bit
Details
X
axis
Y
axis
Z
axis
U
axis
PRESENT
POSITION
PRESET
NC4
j
3
NC2
j
3
NC1
j
3
n
n
n
n+2
n+2
n+4
n+6
08
: Start present position preset
No Origin
Flag
NC4
j
3
NC2
j
3
n+8
n+4
n+11
n+7
n+14
n+17
06
1: No origin
0: Origin established
Busy Flag
NC2
j
3
NC1
j
3
n+4
n+2
n+7
13
1: Busy
Содержание CS1W-NC113 - REV 02-2008
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