~INSTALLATIONS AND CONFIRMATIONS~
- 10 -
B. Descriptions of terminals
a. Terminals of main circuit
Terminals
Symbols
Name Descriptions
Power
source
R,S,T
(L1,L2,L3) Input AC voltage
3-phase power source
(for 1
Φ
, 220V, use R and S only)
Motor
U,V,W
(T1,T2,T3)
Inverter output
voltage
3-phase variable voltage and
frequency output motor
P,N
Dynamic brake
terminals
Connect to the dynamic brake unit
PR
External braking
resistor
P and PR terminals connect to an
external braking resistor(option)
Power
and
braking
P1
External reactor
P and P1 terminals are
short-circuit or connect to an
external reactor for improving
power factor. The factory setting
is short-circuit.
Main Circuit
Grounding
PE
Grounding
Less than 100 Ω for the third
grounding method
b. Main circuit(Terminals subject to change without notice)
(1) 1/2~
3
HP (Built-in brake transistor)
(
3
) 7.5~15HP(200V class) and 7.5~20HP(400V class) (Built-in
brake transistor
)
(2)
(
1
)
Grounding
Motor
Resistor
Grounding
Motor
Resistor
Grounding
Motor
Resistor
Grounding
Grounding
(
2
)
5
HP
(Built-in brake transistor)
(200V class) /
5
HP (
4
00V class)
Please connect PE terminal to metal shell.
