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4. Dedicated Options
4 - 2
4-1 Regenerative option
For the regenerative option, always select a regenerative resistor unit or regenerative resistor in the
correct combination for each servo drive unit. Refer to "Appendix 2-2 Selecting the regenerative
resistor" for details on selecting the regenerative option.
The regenerative resistor generates heats, so wire and install the unit while taking care to safety. When
using the regenerative resistor, make sure that flammable matters, such as cables, do not contact the
resistor, and provide a cover on the machine so that dust or oil does not accumulate on the resistor and
ignite.
List of regenerative option correspondence
Regenerative
resistor type
(Japan
Resistor)
GZG80
W26
OHMJ
GZG200
W26
OHMJ
GZG300
W20
OHMJ
GZG400
W13
OHMJ
GZG400
W8
OHMJ
GZG200
W120
OHMJ
3 units
connected
in parallel
GZG200
W39
OHMJ
3 units
connected
in parallel
GZG300
W39
OHMJ
3 units
connected
in parallel
GZG200
W20
OHMJ
3 units
connected
in parallel
GZG300
W20
OHMJ
3 units
connected
in parallel
GRZG400-2
OHMJ
4 units
connected
in serial
Regenerative
resistor unit
type
MR-RB32 MR-RB30 MR-RB50 MR-RB31 MR-RB51 MR-RB65
Regenerative
capacity
40W 100W 150W 200W 200W 300W 300W 500W 300W 500W 800W
Resistance
value
26Ω
26 20 13 8 40 13 13 6.7 6.7 8
MDS-R-V1-20
MDS-R-V1-40
MDS-R-V1-60
MDS-R-V1-80
MDS-R-V2-2020
MDS-R-V2-4040
MDS-R-V2-6040
MDS-R-V2-6060
MDS-R-V2-8040
MDS-R-V2-8060
MDS-R-V2-8080
Note: Types indicated with a cannot be used when driving the HF353 motor.
Manufacturer: Japan Resistor