Panasonic MINAS A6 Series - Page 113

2-73
1
Before Using the Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When in Trouble
7
Supplement
Related page
• P.4-10 “Details of Parameter”
13. Setup of command division and multiplication ratio (electronic gear ratio)
Relation between Electronic Gear and Position Resolution or Traveling Speed
Electronic gear ratio
=
10
0.0005×2
23
×1
10×10
4
5×2
23
=
100000
41943040
D =
L
∆M×E×R
Electronic gear ratio
Travel distance per command pulse (mm)
(Position resolution)
D =
F × 60
N × E
Pr0.09 = 41943040
Pr0.10 = 100000
Pr0.09 = 8388608
Pr0.10 = 15000
D =
Pr0.10
Pr0.09
Motor rotational speed (r/min),
N = F × × 60
E
D
∆M = × × L
E
D
R
1
D = = =
500000×60
2000×2
23
2000×500×30
2000×2
23
15000
8388608
Lead of ball screw, L =10 mm
Gear reduction ratio, R = 1
Position resolution,
∆M =0.005 mm
Encoder, 23-bit
(E= 2
23
P/r)
Lead of ball screw, L =20 mm
Gear reduction ratio, R = 1
Position resolution,
∆M = 0.0005 mm
Line driver pulse input,
500 kpps
Encoder, 23-bit
Ditto
To make it to 2000 r/min.
D =
Pr0.10
Pr0.09
＝750
500000× × ×60
20
0.0005×2 ×1
23
2
1
23
2
1
1
1
× × ×20 ＝
500000×60
2000×2
23
23
0.00133 mm
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