AC80T Tower Crane Purpose VFD Manual
12
2.7 Main circuit terminal
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The permutation and definition of main circuit terminal
The displaying order of Power main circuit terminal
:
Terminal
Terminal Name
Terminal Function Definition
(-)
DC power supply
(-) as DC bus negative pole
(+)
Braking resistor terminal
Used for external braking resistor, achieve to rapid
downtime. (+) as DC bus positive pole.
PB
R
Inverter input terminal
Used for connecting 3PH AC power supply.
S
T
U
Inverter output terminal
Used for connecting motor.
V
W
Ground connection
Ground terminal, ground resistance <10
Ω
E