Mitsubishi Electric MELSEC iQ-R Series User Manual page 420

[Pr.3] Movement amount per rotation (AL), [Pr.4] Unit magnification (AM)
The amount how the workpiece moves with one motor rotation is determined by the mechanical structure.
If the worm gear lead (m/rev) is PB and the deceleration rate is 1/n, then
Movement amount per rotation (AL) = PB  1/n
However, the maximum value that can be set for this "movement amount per rotation (AL)" parameter is 20000000.0 m (20
m). Set the "movement amount per rotation (AL)" as shown below so that the "movement amount per rotation (AL)" does not
exceed this maximum value.
Movement amount per rotation (AL)
= PB 20  1/n
= Movement amount per rotation (AL)  Unit magnification (AM)
*1 The unit magnification (AM) is a value of 1, 10, 100 or 1000. If the "PB  1/n" value exceeds 20000000.0 m (20 m), adjust with the unit
magnification so that the "movement amount per rotation (AL)" does not exceed 20000000.0 m (20 m).
[Pr.1] setting value
0: mm
1: inch
2: degree
3: pulse
Refer to the following for information about electric gear.
Page 226 Electronic gear function
■Buffer memory address
Refer to the following for the buffer memory address in this area.
Page 397 Positioning parameters: Basic parameters 1
12 DATA USED FOR POSITIONING CONTROL
418
12.3 Basic Setting
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Value set with the engineering tool (unit)
0.1 to 20000000.0 (m)
0.00001 to 2000.00000 (inch)
0.00001 to 2000.00000 (degree)
1 to 200000000 (pulse)
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*1
Value set with a program (unit)
1 to 200000000 (  10
1 to 200000000 (  10
1 to 200000000 (  10
1 to 200000000 (pulse)
-1
m)
-5
inch)
-5
degree)