5.4 Coasting Distances for Dynamic Braking
5.4.2 Data for Calculating Coasting Distance
5-20
Characteristic Impedance
The following graphs give the relationship between the characteristic impedance and speed of
the Servomotors.
Refer to the graph of the Servomotor that will be used, and use characteristic impedance Zm
from the speed before starting dynamic braking.
Rotary Servomotors
Linear Servomotors
SGD7-1R9D
SGLFW-35D120A
0.94
544.23
SGLFW-35D230A
0.94
132.48
SGLFW2-30D070A
15.62
487.67
SGLFW2-30D120A
4.16
313.30
SGLFW2-30D230A
1.04
313.30
SGD7-3R5D
SGLFW-50D200B
0.95
183.90
SGLTW-35D170H
1.75
100.60
SGLTW-50D170H
0.74
87.00
SGD7S-5R4D
SGLFW-50D380B
0.95
45.53
SGLFW-1ZD200B
1.15
37.13
SGLFW2-90D200A
0.73
49.83
SGD7S-8R4D
SGLFW2-45D380A
0.93
38.73
SGLTW-35D320H
1.75
25.57
SGLTW-50D320H
0.74
22.18
SGD7S-120D
SGLFW-1ZD380B
1.15
9.28
SGLFW2-90D380A
0.73
12.46
SGLTW-40D400B
0.45
34.53
SGD7S-170D
SGLFW2-90D560A
0.73
5.52
SGLFW2-1DD380A
0.65
6.18
SGLTW-40D600B
0.45
15.86
SGLTW-80D400B
0.46
9.17
SGD7S-260D
SGLTW-80A600B
0.65
2.72
SGLFW2-1DD560A
0.46
4.20
Continued from previous page.
Motor Type
SERVOPACK Model
Servomotor Model
Coasting Distance
Coefficients
α
β
[
×
10
-6
]
0
0
5
10
15
20
25
30
35
40
45
50
500
1000
1500
2000
2500
3000
3500
Motor Speed (min
-1
)
SGM7G-05D
F
0
0
10
20
30
40
50
60
70
500
Motor Speed (min
-1
)
SGM7G-03D
F
1000
1500
2000
2500
3000
3500
Characteristic Impedance (
Ω
)
Characteristic Impedance (
Ω
)