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Chapter 5 Data Used for Positioning Control
POINT
(1) Set the electronic gear within the following range.
If the value outside the setting range is set, the error "Outside electronic gear
setting range" (error code: 907) will occur.
• Product information is before 150410000000000.
0.001
Electronic gear
AP
AL
AM
20000
• Product information is 150410000000000 or later.
0.001
Electronic gear
AP
AL
AM
320000
: For the movement amount per rotation (AL) which is used for the calculation of the
electronic gear above, convert into the unit shown in the "Value set with sequence
program" of the table in "[Pr.3] Movement amount per rotation (AL)" and "[Pr.4] Unit
magnification (AM)".
(2) The result of below calculation (round up after decimal point) is a minimum
pulse when the current feed value is updated at follow-up processing. (The
movement amount for droop pulse is reflected as the current feed value when
the droop pulse becomes more than above calculated value in pulse unit of
motor end.)
Number of pulses per rotation (AP)
(Movement amount per rotation (AL)
Unit
magnification (AM)
3375)[PLS]
Refer to Section 13.8.2 for the follow-up processing.
(Example)
• When an error does not occur
In the case of AP = 4194304 [PLS], AL = 2000000 [
10
-5
degree], and AM = 1,
the value is within the range as follows.
Electronic gear
=
AP
AL
AM
=
4194304
2000000
1
= 2.097152
• When an error occurs
In the case of AP = 4194304 [PLS], AL = 10 [
10
-1
μm], and AM = 1, the value is
out of the range as follows.
Electronic gear
=
AP
AL
AM
=
4194304
10
1
= 419430.4