Yaskawa Large Capacity Sigma II Series - Manual (Page 331)

7.5 Specifications and Dimensional Drawings for Peripheral Devices
7-55
7
• SGDH-3GDE, 4EDE, 5EDE SERVOPACKs
Connect a dynamic brake contactor and Surge Absorption Unit, as shown in the follow-
ing diagram.
Note: Connect dynamic brake resistors with the following resistance speci-
fications.
400-V SERVOPACKs: Higher than 0.8
Ω
Use the following dynamic brake contactor and Surge Absorption Unit. The main circuit
Surge Absorption Unit is available as a side-connection type or a front-connection type.
Name Model Manufacturer
Contactor SC-4-1/G 24-VDC
coil Fuji Electric Co., Ltd.
Main Circuit
Surge Absorption
Unit Front Connection SZ-ZM1
Side Connection SZ-ZM2
Coil Surge Absorption Unit SZ-Z4
DV
DU
DW
SGDH SERVOPACK
Dynamic brake
resistors
DB0N
DB24
Dynamic brake
contactor
Main circuit
Surge Absorption Unit
Coil surge
absorption unit