SV-iS7 User Manual - Inverter Drive Supermarket

5.1.3 Dynamic breaking unit (DBU) and Resistors
1) Dynamic Breaking Unit type
5-4
Chapter 5 Peripheral Devices
Type Voltage Applied Motor DBU Dimensions
Non UL type
30 ~ 37 kW
45 ~ 55 kW
75 kW
SV037DBH-4
SV075DBH-4
Group 1.
Refer to Dimensions
30 ~ 37 kW SV370DBU-4U
400V Class 45 ~ 55 kW SV550DBU-4U
UL type
75 kW
90 kW
SV750DBU-4U
SV550DBU-4U, 2Set
Group 2.
Refer to Dimensions
110~132kW SV750DBU-4U, 2Set
162kW SV750DBU-4U, 3Set
2) Terminal arrangement
Group 2:
Group 3:
G
N B2 P/B1
P N G B1 B2
Terminals Functions
G Ground Terminal
B2 Terminal for connection with B2 of DBU
B1 Terminal for connection with B1 of DBU
N Terminal for connection with N of Inverter
P Terminal for connection with P1 of Inverter
☞ Note: READ DBU User manual certainly when selecting DB resistors.
3) Dynamic Breaking (DB)Unit & DB resistor basic wiring
3 φ
Input 입력전원 Power
50/60 Hz
P1(+)
R(L1)
S(L2)
T(L3)
G
P2(+)
Dynamic 제동유닛 Braking
Unit
P N B1 B2
N(-)
U
V
W
B2
Dynamic Braking
제동저항
Resistor
B1
전동기 Motor
DBU Terminals Description
B1,B2 Wire correctly referring to wiring diagram. DB Resistors connect with B1, B2 of DB Unit.