Mitsubishi Electric MR-J3-B, Инструкция по эксплуатации

Страница: 183 / 225

11 - 20
11. OPTIONS AND AUXILIARY EQUIPMENT
11.2 Regenerative brake options
CAUTION
The specified combinations of regenerative brake options and servo amplifiers
may only be used. Otherwise, a fire may occur.
(1) Combination and regenerative power
The power values in the table are resistor-generated powers and not rated powers.
Regenerative power[W]
Servo amplifier
Built-in
regenerative
brake
resistor
MR-RB032
[40 ]
MR-RB12
[40 ]
MR-RB30
[13 ]
MR-RB31
[6.7 ]
MR-RB32
[40 ]
MR-RB50
[13 ]
MR-MB51
[6.7 ]
MR-J3-10B (1) 30
MR-J3-20B (1) 10 30 100
MR-J3-40B (1) 10 30 100
MR-J3-60B 10 30 100
MR-J3-70B 20 30 100 300
MR-J3-100B 20 30 100 300
MR-J3-200B 100 300 500
MR-J3-350B 100 300 500
MR-J3-500B 130 300 500
MR-J3-700B 170 300 500
(2) Selection of the regenerative brake option
Use the following method when regeneration occurs continuously in vertical motion applications or when it
is desired to make an in-depth selection of the regenerative brake option:
(a) Regenerative energy calculation
Use the following table to calculate the regenerative energy.
M
Friction
torque
Unbal
a
n
ce t
o
rque
T
F
T
U
Se
rv
o
m
o
to
r s
p
e
e
d
G
e
n
e
ra
ted t
o
rque
Time
Up
No
tf(1 cycle)
Down
( )
( )
(Driving)
(Regenerative)
T
psd2
t2 t3 t4 t1
T
psa2
T
psd1
T
psa1
1)
2)
3)
4)
5)
6)
7)
8)
Formulas for calculating torque and energy in operation
Regenerative power Torque applied to servo motor [N m] Energy [J]
1)
T
1
(J
L
J
M
)
9.55 10
4
N
0
1
T
psa1
T
U
T
F
E
1
2
0.1047
N
0
T
1
T
psa1
2)
T
2
T
U
T
F
E
2
0.1047 N
0
T
2
t
1
3)
T
3
(J
L
J
M
)
9.55 10
4
N
0
1
T
psd1
T
U
T
F
E
3
2
0.1047
N
0
T
3
T
psd1
4), 8)
T
4
T
U
E
4
0 (No regeneration)
5)
T
5
(J
L
J
M
)
9.55 10
4
N
0
1
T
psa2
T
U
T
F
E
5
2
0.1047
N
0
T
5
T
psa2
6)
T
6
T
U
T
F
E
6
0.1047 N
0
T
6
t
3
7)
T
7
(J
L
J
M
)
9.55 10
4
N
0
1
T
psd2
T
U
T
F
E
7
2
0.1047
N
0
T
7
T
psd2
From the calculation results in 1) to 8), find the absolute value (Es) of the sum total of negative energies.