Yaskawa Sigma-5 Large Capacity Users Manual: Design and Maintenance-Rotary Motors-Mechatrolink-II Communication Reference - Manual (Page 83)

3.8 Selecting and Connecting a Regenerative Resistor Unit
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3.8.2 Connecting a Regenerative Resistor Unit
Connect the B1 terminals and connect the B2 terminals between the converter and regenerative resistor unit.
Connect them as shown in the following figures.
(1) Converter Model: SGDV-COA2BAA, -COA3ZDA
(2) Converter Model: SGDV-COA3GAA, -COA5EDA
B1 B2
Regenerative Resistor Unit
JUSP-RA -E
SERVOPACK Converter
B1 B2
M-II
B1B2
B1B2
Regenerative Resistor Unit
JUSP-RA -E
SERVOPACK Converter M-II