− App.
45
−
Appendixes
PrNo.
Parameter Range
Function
description
When the motor runs CW, the B-phase pulse advances the A-phase
pulse (when the motor runs CCW, the B-phase pulse delays from
the A-phase pulse).
Pulse command scaling function (electronic gear)
・Purpose
① You can set-up any motor speed or work travel amount per
input command pulse(unit).
② You can increase the nominal command pulse frequency with
scaling, when your required speed can't be obtained due to
the capacity of the pulse generator of the controller(maximum
available frequency).
・Block diagram of the scaling function
・The calculated numerator is max. 2621440. Set-up of larger
value than this is disabled, and automatically substituted
by 2621440.
45
46
47
48
49
4A
4B
0 〜 1
【0】
1 〜
10000
1 〜
10000
1 〜
10000
1 〜
10000
0〜17
1 〜
10000
Parameters for Pulse Command Scaler (Pr46 through Pr4B)
You can invert the the phase relation between A and B phases by inverting the logic of
the B-phase pulse with this parameter.
CCW run
A-phase (OA),
B-phase (OB),
non-inversion
B-phase (OB),
inversion
CW run
Value
0
1
Command
pulse
×2
Numerator of 1st. command pulse ratio (Pr46)
*1
*1
*2
*2
Multiplier of
numerator
of command
pulse ratio
(Pr4A)
Internal
command
F
f
+
−
Feedback
pulse
(resolution)
to the position
error counter
10000P/rev
or
2 P/rev
Denominator of pulse command pulse raito(Pr4B)
Numerator of 2st. command pulse ratio (Pr47)
Numerator of 3st. command pulse ratio (Pr48)
Numerator of 4st. command pulse ratio (Pr49)
17
<Note>
For the default values of Pr46 through Pr4B, see page 46.
Pulse output
logic inversion
Numerator of 1st
command pulse ratio
Numerator of 2st
command pulse ratio
Numerator of 3st
command pulse ratio
Numerator of 4st
command pulse ratio
Denominator of
command pulse
ratio
Multiplier of
numerator of
command pulse ratio
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