Hitachi SJ300 Series

9
Basic Wiring Diagram
The following wiring diagram shows the power and motor connections
for basic operation. The optional signal input wiring supports external
Fwd and Rev Run command, and a speed potentiometer.
(L1)
R
(L2)
S
(L3)
T
(T2)
V
(T3)
W
(T1)
U
Motor
L
O
CM2
ALO
12
AL2
AL1
11
H
Alarm contacts,
1 Form C
Run signal
Frequency
arrival signal
Open collector
outputs:
External
speed
reference
pot.
SJ300
From 3-phase
power input
source (See
specifications
label on inverter
for details)
Logic output
common
Load
Load
Analog common
Analog reference
Forward
P24
PLC
CM1
8
FW
Reverse
–FU/–FR
default
–FE
default
Common
Inputs: