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5 DATA USED FOR POSITIONING CONTROL
5.2 List of parameters
5.2.1 Basic parameters 1
Item
Pr.1
Unit setting
Pr.2
No. of pulses per
rotation (AP)
(Unit : PLS)
Pr.3
Movement amount per
rotation (AL)
Pr.4
Unit magnification (AM)
Pr.7
Bias speed at start
Setting value, setting range
Value set with peripheral device
0 : mm
1 : inch
2 : degree
3 : PLS
1 to 200000000
The setting value range differs according to the "
setting".
Here, the value within the [Table 1] range is set.
[Table 1] on right page
1 : 1 times
10 : 10 times
100 : 100 times
1000 : 1000 times
Not used
Pr.1 Unit setting
Set the unit used for defining positioning operations. Choose from the following
units depending on the type of the control target: mm, inch, degree, or PLS.
Different units can be defined for different axes (axis 1 to 4).
(Example) Different units (mm, inch, degree, and PLS) are applicable to different
systems:
mm or inch .... X-Y table, conveyor (Select mm or inch depending on the
machine specifications.)
degree ........... Rotating body (360 degrees/rotation)
PLS................ X-Y table, conveyor
When you change the unit, note that the values of other parameters and data
will not be changed automatically.
After changing the unit, check if the parameter and data values are within the
allowable range.
Set "degree" to exercise speed-position switching control (ABS mode).
Value set with PLC program
0
1
2
3
1 to 200000000
Pr.1
Unit
1
10
100
1000
5 - 24
MELSEC-Q
Setting value buffer memory
Default
address
value
Axis 1 Axis 2 Axis 3 Axis 4
3
0
150
300
2
152
302
20000
3
153
303
4
154
304
20000
5
155
305
1
1
151
301
6
156
306
0
7
157
307
450
452
453
454
455
451
456
457
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