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MELSEC-
A
5 DATA USED FOR POSITIONING CONTROL
5.2 List of parameters
5.2.1 Basic parameters 1
Item
Setting value, setting range
Default
value
Setting value buffer
memory address
Value set with peripheral
device
Value set with sequence
program
Axis 1 Axis 2
Pr.1
Unit setting
0 : mm 0
3 0 150
1 : inch 1
2 : degree 2
3 : pulse 3
Movement amount per pulse
Pr.2
No. of pulses per
rotation (Ap)
(Unit : pulse)
1 to 65535
1 to 65535
1 to 32767:
Set as a decimal
32768 to 65535:
Convert into hexadecimal
and set
20000 1 151
Pr.3
Movement amount per
rotation (Al)
The setting value range differs according to the "
Pr.1
Unit
setting".
Here, the value within the [Table 1] range is set.
[Table 1] on right page
20000 2 152
Pr.4
Unit magnification (Am)
1 : 1-fold 1
1 3 153
10 : 10-fold 10
100 : 100-fold 100
1000 : 1000-fold 1000
Pr.1
Unit setting
This sets the command unit for positioning control. The unit is selected from mm,
inch, degree, pulse according to the control target. The unit for axis 1 and axis 2
can be set independently.
(Example)
mm, inch ....... X, Y table, conveyor. (If the machine has inch specifications, set
with an inch unit.)
degree ........... Rotating body. (360 degree/rotation)
pulse .............. X, Y table, conveyor
* Even if the unit setting is changed, the other parameters and positioning data
values will not change. When changing the unit, check that the parameters and
data are within the setting range.
Set "degree" when performing speed/position changeover control in the ABS
mode.