Mitsubishi Electric MELSERVO MR-J3-xT, Instruction Manual

Page: 370 / 471

14 - 18
14. OPTIONS AND AUXILIARY EQUIPMENT
14.2 Regenerative options
CAUTION
The specified combinations of regenerative 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
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-J3-10T (1) 30
MR-J3-20T (1) 10 30 100
MR-J3-40T (1) 10 30 100
MR-J3-60T 10 30 100
MR-J3-70T 20 30 100 300
MR-J3-100T 20 30 100 300
MR-J3-200T 100 300 500
MR-J3-350T 100 300 500
MR-J3-500T 130 300 500
MR-J3-700T 170 300 500
(Note) Regenerative power[W]
Servo
amplifier
External
regenerative resistor
(Accessory)
MR-RB5E
[6 ]
MR-RB9P
[4.5 ]
MR-RBB9F
[3 ]
MR-J3-11KT 500 (800) 500 (800)
MR-J3-15KT 850 (1300) 850 (1300)
MR-J3-22KT 850 (1300) 850 (1300)
Note: Values in parentheses assume the installation of a cooling fan.
(2) Selection of the regenerative 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 option:
(a) Regenerative energy calculation
Use the following table to calculate the regenerative energy.
M
Friction
torque
U
nb
al
an
ce
to
rq
ue
T
F
T
U
S
e
rv
o
m
ot
or
s
pe
ed
G
en
e
ra
te
d
to
rq
ue
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)