17-3. OPTIONAL REGENERATIVE BRAKE RESISTOR
The converter voltage of servo amplifier is increased in case of regeneration in which the energy is
transferred reverse to the servo amplifier from the motor. The regeneration energy is discharged quickly
through the regenerative brake resistor for the safety of power semiconductor device, when the
converter voltage is higher than the reference voltage of regeneration brake.
[ Note ]
1. Set the allowable maximum time of regenerative brake action in Svpar-09 "REGTM".
[ Regenerative brake time ]
If the regeneration brake action is longer than the setting value, then the motion stops and error
message ("OVER REG. ALARM ") is displayed. When this alarm has occurred, it may soften the
acc./dec. time or install the additional regenerative brake resistor.
Do not install the regenerative brake resistor on or near combustibles. Otherwise, a fire may cause.
2. The regeneration conditions are appeared in the following cases.
a. The load moves vertically.
b. The deceleration time is too short with an excessive speed.
c. The load inertia is too big compared with the motor inertia.
3. If the input power supply is higher than the normal voltage, then the alarm may occur frequently.
Install the step down transformer.
[ Specifications of regenerative brake ]
(RB-50W)
(RB-150W)
(RB-100W)
Model
Regenerative brake resistor
BOOK TYPE 1
BOOK TYPE 2
BASE MOUNT TYPE 1
BASE MOUNT TYPE 2
Capacity
100~600W
800W~2.0KW
2.4KW~7.5KW
Built-in type
No used
50
50W
Ω
50
100W
Ω
External type
50
50W
Ω
50
100W
Ω
25
150W
Ω
Part No.
RB-50W
RB-100W
RB-150W
0
0.25 sec.
1
0.50 sec.
2
0.75 sec.
3
1.00 sec.
Содержание Tango-B series
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