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11. CHARACTERISTICS
0
14
16
2
4
8
10
6
12
0 500 1000 1500 2000 2500 3000
13
73
23
43
053
Speed [r/min]
Time constant [ms]
0
0.002
0.004
0.006
0.008
0.01
0.012
0.014
0.016
0.018
0.02
0 500 1000 1500 2000 2500 3000
13
43
23
053
73
Speed [r/min]
Time constant [s]
a. HC-KFS series b. HC-MFS series
Speed [r/min]
Time constant [s]
0
0.01
0.02
0.03
0.04
0.05
0.06
50
500
10001500
2000
25003000
0
43
23
0.07
13
73
c. HC-UFS3000r/min series
Fig. 11.4 Dynamic brake time constant
Use the dynamic brake at the load inertia moment indicated in the following table. If the load inertia
moment is higher than this value, the built-in dynamic brake may burn. If there is a possibility that the
load inertia moment may exceed the value, contact Mitsubishi.
Drive unit Load inertia moment ratio [times]
MR-J2M-10DU
MR-J2M-20DU
MR-J2M-40DU
MR-J2M-70DU
30