Filter
Top Products
13 - 10
13 CHARACTERISTICS
13.4 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
7
5 10
7
1 10
8
5 10
6
1 10
6
5 10
5
1 10
5
5 10
4
1 10
4
5 10
3
1 10
3
a
b
F
l
e
x
i
n
g
l
i
f
e
[
t
i
m
e
s
]
4 7 10 20 40 70 100 200
Flexing radius [mm]
b : Standard encoder cable
Standard motor power cable
Standard motor brake cable
a : Long flex life encoder cable
Long flex life motor power cable
Long flex life motor brake cable
13.5 Inrush currents at power-on of main circuit and control circuit
The following table indicates the inrush currents (reference data) that will flow when the maximum permissible
voltage (200V class: 253VAC, 400V class: 528VAC) is applied at the power supply capacity of 2500kVA and
the wiring length of 1m.
Inrush currents (A
0
-
p
)
Servo amplifier
Main circuit power supply (L
1
, L
2
, L
3
) Control circuit power supply (L
11
, L
21
)
MR-J3-10T1 to 40T1 38A (Attenuated to approx. 14A in 10ms)
MR-J3-10T to 60T 30A (Attenuated to approx. 5A in 10ms)
MR-J3-70T 100T 54A (Attenuated to approx. 12A in 10ms)
MR-J3-200T 350T 120A (Attenuated to approx. 12A in 20ms)
20 to 30A
(Attenuated to approx. 0A in 1 to 2ms)
MR-J3-500T 44A (Attenuated to approx. 20A in 20ms)
MR-J3-700T 88A (Attenuated to approx. 20A in 20ms)
MR-J3-11KT
MR-J3-15KT
MR-J3-22KT
235A (Attenuated to approx. 20A in 20ms)
30A (Attenuated to approx. 0A in 3ms)
MR-J3-60T4 100T4 100A (Attenuated to approx. 5A in 10ms)
MR-J3-200T4 120A (Attenuated to approx. 12A in 20ms)
40 to 50A
(Attenuated to approx. 0A in 2ms)
MR-J3-350T4 500T4 66A (Attenuated to approx. 10A in 20ms)
MR-J3-700T4 67A (Attenuated to approx. 34A in 20ms)
41A (Attenuated to approx. 0A in 3ms)
MR-J3-11KT4
MR-J3-15KT4
MR-J3-22KT4
325A (Attenuated to approx. 20A in 20ms) 45A (Attenuated to approx. 0A in 3ms)
Since large inrush currents flow in the power supplies, always use no-fuse breakers and magnetic contactors.
(Refer to section 14.10.)
When circuit protectors are used, it is recommended to use the inertia delay type that will not be tripped by an
inrush current.