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5.4 Position Control
5-45
5
Op
er
at
io
n
(2) Electronic Gear Ratio Setting Examples
The following examples show electronic gear ratio settings for different load configurations.
Example: The number on divisions on the serial converter unit: 256
Refer to the following equation to determine the electric gear ratio.
Step
Operation
Load Configuration
1
Check the scale pitch.
0.02 mm (20
m)
2
Determine the reference
unit.
1 reference unit: 0.001 mm (1
m)
3
Calculate the electronic
gear ratio.
4
Set parameters.
Pn20E
256
Pn210
20
A
20(
µ
m)
B
1(
µ
m)
=
×
256
A
B
+
−
×
256
Movement distance
L
㧔
mm
㧕
Ps
L
L
㧔
mm
㧕㧦
Movement distance
Posi-
tion
loop
Speed
loop
Reference pulse
㧔
mm/P
㧕
Δ
Δ
㧔
mm/P
㧕㧦
Reference unit
Ps
㧔
mm
㧕㧦
Scale pitch
mm/scale pitch
㧕
Servomotor
47
L
Ps
×
L
B
Δ
A
Ps
L
Ps
Δ
Δ
×
(
) = 256
×
B
A
(
) =
=
256
×
L
×
256
×
Set A and B with the following parameters.
A
㧦
Pn20E
B
㧦
Pn210
Linear
Содержание SGDV SERVOPACK
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Страница 53: ...www dadehpardazan ir 88594014 15 2 Panel Operator 2 10 ...
Страница 103: ...www dadehpardazan ir 88594014 15 3 Wiring and Connection 3 7 3 Connecting a Reactor for Harmonic Suppression 3 50 ...
Страница 117: ...www dadehpardazan ir 88594014 15 4 Trial Operation 4 5 4 Operator Displays during Testing without Motor 4 14 ...
Страница 203: ...www dadehpardazan ir 88594014 15 5 Operation 5 11 5 Precautions for Safety Functions 5 86 ...
Страница 275: ...www dadehpardazan ir 88594014 15 6 Adjustments 6 9 7 Position Integral 6 72 ...