- 40 -
(3) Movement modes (Absolute positioning, Relative positioning)
The target positions can be specified as absolute or relative positions.
Absolute positioning
The Target Position is determined based on the "Origin Position” at the retracted end.
An example is shown below.
This example shows the Target Position set at 10 mm. The table of the Card Motor moves to 10 mm
from any point.
Relative positioning
The Target Position is determined based on the current position. An example is shown below.
This example shows the Target Position set at +3 mm. The table moves +3 mm from the current
position.
When the destination exceeds the stroke end as shown in the figure below, the table motion will be
limited at the end of the stroke, and the INP or INFP signals will not be output. (No alarm will be
generated.)
The Card Motor performs relative positioning operations as shown below if the table starts from a
position outside of the software stroke range, for example when the table has reached the mechanical
end stop in pushing operation or when it has been moved by an external force without the Card Motor
being energized.
- If the target position is within the software stroke range:
- The table moves the set travel distance from the current position.
- If the target position is outside of the software stroke range:
- In "positioning" operation the table maintains the current position.
- In "pushing" operation the table performs the pushing operation with the set Thrust Setting
Value in the pushing direction from the current position.
Caution
In relative positioning the deviation will remain. Therefore the table destination may be shifted
because of this deviation.
Carefully check the initial position of the Card Motor table before starting relative positioning.
- direction
+ direction
0
5
10
[mm]
- direction
+ direction
0
5
10
[mm]
- direction
+ direction
0
5
10
+3
+3
2
8
[mm]
- direction
+ direction
0
5
10
+3
+3
2
8
[mm]
- direction
+ direction
0
+0.2
pushing operation.
-
0.3
[mm]
If the target position is outside of the software stroke
range in pushing operation the Card Motor performs
the pushing operation in the extended direction from
the current position.
- direction
+ direction
0
+0.2
pushing operation.
-
0.3
[mm]
If the target position is outside of the software stroke
range in pushing operation the Card Motor performs
the pushing operation in the extended direction from
the current position.
The table stays in the current position
when the target position is outside the
available stroke range.
- direction
+ direction
0
+0.2
-
0.3
[mm]
The table stays in the current position
when the target position is outside the
available stroke range.
- direction
+ direction
0
+0.2
-
0.3
[mm]
- direction
+ direction
0
+0.5
-
0.3
The table moves when the target position
is within the available stroke range.
[mm]
- direction
+ direction
0
+0.5
-
0.3
The table moves when the target position
is within the available stroke range.
[mm]
- direction
+ direction
0
5
10
(
stroke end
)
+3
Limited at the stroke end
+3
8
11
[mm]
- direction
+ direction
0
5
10
(
stroke end
)
+3
Limited at the stroke end
+3
8
11
[mm]