AC70 VC CONTROL FREQUENCY INVERTER MANUAL INSTALLATION AND WIRING
26
Arrangement sequence of main circuit terminal with 22~30KW (standard machine without PB terminal
)
(
22KW for steel
cover machine
)
Arrangement sequence of main circuit terminal with 37~110kW
Arrangement sequence of main circuit terminal with 132kW
:
Arrangement sequence of main circuit terminal with 160~560kW
Terminal
Name
(-)
DC power terminal
DC power output, (-) means DC bus cathode, (+) means DC
bus anode, used for external braking unit.
(+)
(+)
Braking resistance terminal
Used for external braking resistance to realize quick stop.
PB
P1
DC reactor terminal
Used for external DC reactor.
(+)
R
Inverter input terminal
Used to connect 3-phase AC power supply.
S
T
U
Inverter output terminal
Used to connect the motor.
V
W
Earth
Earth terminal, earth resistance<10 OHM
E
Table 3-6:AC70 series inverter main circuit terminals array and definition