3 Wiring and Connection
3.8.1 Selecting a Regenerative Resistor Unit
3-38
3.8
Selecting and Connecting a Regenerative Resistor Unit
The multi-winding drive unit, SERVOPACKs, and converters do not contain a regenerative resistor. Select and
connect a regenerative resistor unit and set the regenerative resistor capacity in Pn600 as described in this sec-
tion.
Refer to the multi-winding drive system catalog for detailed specifications of regenerative resistor unit.
3.8.1
Selecting a Regenerative Resistor Unit
(1) Using a Regenerative Resistor Unit Specified by Yaskawa
The regenerative resistor units specified by Yaskawa are listed in the following table. You must acquire the
regenerative resistor units separately.
If you use a regenerative resistor unit specified by Yaskawa, use it only in one of the combinations that are
given in the following table.
(2) Using a Non-Specified Regenerative Resistor Unit
If you use non-specified regenerative resistor units, contact your Yaskawa representative or the sales depart-
ment for more details.
Set Pn600 to the allowable capacity of the regenerative unit for one SERVOPACK-con-
verter pair (i.e., for one winding).
WARNING
• Be sure to connect the regenerative resistor unit correctly. Do not short-circuit between B1 and B2.
Doing so may result in fire or damage to the regenerative resistor unit, SERVOPACK, or converter or other devices.
Main Circuit
Power Supply
Voltage
SERVO-
PACK
Model
SGDV-
Converter
Model
SGDV-COA
Model of Applicable
Regenerative
Resistor Unit
Resis-
tance
(
Ω
)
Specifications
Three-phase
400 V
101J
5EDA
JUSP-RA14-E
5
Four sets of two 10-
Ω
(600-W)
resistors connected in series are
connected in parallel.
Main Circuit Power
Supply Voltage
SERVOPACK Model:
SGDV-
Converter Model:
SGDV-COA
Minimum Allowable
Resistance (
Ω
)
Three-phase
400 V
101J
5EDA
2
If you use a non-specified regenerative resistor unit, we recommend that you use a
regenerative resistor unit with a thermal switch for safety.