Mitsubishi Electric Melservo MR-J3-100B, Handbook

Page: 287 / 590

Part 6: Common Reference Material
6 - 10
1.2.3 Dynamic brake: coasting distance
(1) Dynamic brake time constant
(a) Replacement of MR-J3 Series with MR-J4 Series
Series MR-J3 Series Series MR-J4 Series
HF-KP
0
0 1000 2000
5
10
15
20
25
3000 4000 5000 6000
43
053
13
23
73
Speed [r/min]
T
ime
co
ns
tan
t
[m
s]
HG-KR
Dynamic brake time
co
ns
tant
τ
[ms]
0
10
20
30
40
50
0 1000 2000 3000 4000 5000 6000
73
43
23
13
053
Speed [r/min]
HF-MP
Speed [r/min]
0
0 1000 2000
5
10
15
20
25
3000 4000 5000 6000
43
053
13
23 73
Ti
me
co
ns
tan
t
[m
s]
HG-MR
0
10
20
30
40
50
0 1000 2000 3000 4000 5000 6000
73
43
23
13
053
Speed [r/min]
Dynamic brake time
cons
tan
t
τ
[ms]
HF-SP
1000 r/min
Speed [r/min]
T
im
e
co
ns
ta
nt
[m
s]
500 1000 1500 2000
10
20
30
40
50
60
0
0
81
201
121
51
421
301
HG-SR
1000 r/min
121
0
20
40
60
80
100
0 250 500 750 1000 1250 1500
51 81
201
301
421
Dynamic brake time
cons
tan
t
τ
[ms]
Speed [r/min]
HF-SP
2000 r/min
Speed [r/min]
Ti
m
e co
ns
ta
nt
[m
s]
52
500 1000 1500 2000 2500 3000
152
20
40
60
80
100
120
0
0
102
202
502
702
352
HG-SR
2000 r/min
0 500 1000 1500 2000 2500 3000
52
102
0
100
50
200
150
250
300
350
352
202
702
152 502
Dynamic brake time
co
ns
tant
τ
[ms]
Speed [r/min]
HF-SP
400 V
2000 r/min
5024
0 1000 2000 3000
75
60
45
30
15
0
90
7024
1524
3524
1024
524
2024
T
im
e
co
n
st
a
nt
[m
s]
Speed[r/min]
HG-SR
400 V
2000 r/min
Speed [r/min]
0 500 1000 1500 2000 2500 3000
1524
5024
1024
524
100
80
60
40
20
0
2024
3524
7024
Dynamic brake time
cons
tant
τ
[ms]