Fuji Electric ALPHA5 Smart - 10.8 External Regenerative Resistor

CHAPTER 10 PERIPHERAL EQUIPMENT
External Regenerative Resistor 10-19
10
10.8 External Regenerative Resistor
The external regenerative resistor consumes regenerative power generated by the servomotor.
Use an external regenerative resistor if the elevating load is large and the operation frequency is
high.
Servo amplifier model
Built-in
Regenerative
resistor*
External
Regenerative
Resistor
Applicable
resistance [Ω]
RYH201F5-VV2 - 39 to 180
RYH401F5-VV2 -
WSR-401
(17W/68Ω)
39 to 90
RYH751F5-VV2
20W/40Ω
13 to 47
RYH152F5-VV2
20W/15Ω
WSR-152
(50W/15Ω)
8.2 to 27
RYH202F5-VV2 8.2 to 20
RYH302F5-VV2
45W/12Ω
DB11-2
(260W/10Ω)
8.2 to 13
RYH402F5-VV2 3.9 to 8.2
RYH502F5-VV2
60W/6Ω
DB22-2
(300W/5.8Ω)
3.9 to 6.8
* The allowable wattage of the built-in regenerative resistor varies according to the ambient
temperature.
Block diagram of main circuit section (Frame 1)
Use the external regenerative resistor in the designated set without fail.
There is a risk of fire.
Servo amplifier
Servomotor
Ｍ
Inrush
current
suppression
resistor
Ｌ１
Ｌ２
Ｌ３
Ｐ(+)
Ｎ(-)
ＲＢ２
ＲＢ１
External Braking
Resistor
FUSE
External Regenerative
Resistor
Servomotor