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14. OPTIONS AND AUXILIARY EQUIPMENT
14. OPTIONS AND AUXILIARY EQUIPMENT
WARNING
CAUTION
14.1 Options
14.1.1 Regenerative brake options
CAUTION
(1) Combination and regenerative power
Servo Amplifier
MR-J2-10C
MR-J2-20C
MR-J2-40C
MR-J2-60C
MR-J2-70C
MR-J2-100C
MR-J2-200C
MR-J2-350C
Note. Always install a cooling fan.
(2) Selection of the regenerative brake option
a) Simple selection method
In horizontal motion applications, select the regenerative brake option as described below:
When the servo motor is run without load in the regenerative mode from the running speed to a
stop, the permissible duty is as indicated in the standard specifications (Section 5.1 in separately
available Servo Motor Instruction Manual). For the servo motor with a load, the permissible duty
changes according to the inertia moment of the load and can be calculated by the following formula:
Permissible
duty
From the permissible duty, find whether the regenerative brake option is required or not.
Permissible duty
Select the regenerative brake option out of the combinations in (1) in this section.
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Before connecting any option or auxiliary equipment, make sure that the charge
lamp is off more than 15 minutes after power-off, then confirm the voltage with a
tester or the like. Otherwise, you may get an electric shock.
Use the specified auxiliary equipment and options. Unspecified ones may lead to a
fault or fire.
The specified combinations of regenerative brake options and servo amplifiers
may only be used. Otherwise, a fire may occur.
Built-in regenerative
MR-RB032
brake resistor
[40 ]
Without
10
10
10
20
20
100
100
Permissible duty for servo motor with no load (value indication Section 5.1 in Servo Motor Instruction Manual)
ratedspeed
running speed
where m
load inertia moment/servo motor inertia moment
number of positioning times [times/min]
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Regenerative Power[W]
MR-RB12
MR-RB32
[40 ]
[40 ]
30
30
100
30
100
30
100
30
100
300
30
100
300
(m 1)
2
[times/min]
14 - 1
(Note)
MR-RB30
MR-RB50
[13 ]
[13 ]
300
500
300
500
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