The Dynamic Brake At The Load Inertia Moment; Encoder Cable Flexing Life - Mitsubishi Electric MR-J2S-A Instruction Manual

12. CHARACTERISTICS

12.3.2 The dynamic brake at the load inertia moment

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.
MR-J2S-10A to MR-J2S-200A
MR-J2S-10A1 to MR-J2S-40A1
MR-J2S-500A MR-J2S-700A
MR-J2S-11KA to MR-J2S-22KA
Note. The value assumes that the external dynamic brake is used.

12.4 Encoder cable flexing life

The flexing life of the cables is shown below. This graph calculated values. Since they are not guaranteed
values, provide a little allowance for these values.
1 10
5 10
1 10
5 10
1 10
5 10
1 10
5 10
1 10
5 10
1 10
Servo amplifier
MR-J2S-350A
8
7
7
6
6
5
5
4
4
3
3
4 7 10 20 40
Flexing radius [mm]
12 - 7
WWW.NNC.IR
Load inertia moment ratio [times]
30
16
15
(Note) 30
a
a : Long flexing-life encoder cable
MR-JCCBL M-H
MR-JHSCBL M-H
MR-ENCBL M-H
b : Standard encoder cable
MR-JCCBL M-L
MR-JHSCBL M-L
b
70 100 200