Hitachi SJ700-2 Series Welding System User Manual


 
SJ700-055-110LF**2 Circuit Diagram
6-2
Logic Board
Option Board-1
OPT1C
Option Board-2
OPT2C
Thermistor
Thermistor
R0T0 TM
Board
1
21
20
4
21
1
40
20
Main Board
J92
G2
G1
J72
Control Terminal Board
TM2(RS422/MODBUS-RTU)
CN1
PLUG
OPEC
TMC
FAN FAN
J36
J31
J91
J91
J92 J51
R
J21 J22
Ground Terminal
with Jumper
(EU/JPN switch)
T0
R0
J1
J1
Flat Cable
R
T
G
G
R
S
T
P
PD
N
RB
Charge
Lam
p
AL2
3 H O2 AM FM TH FW
8
CM1 5 1 14 13 11 AL1
L
O
OI AMI PLC CM1 7 6 4 2 15
CM2
12 AL0 P24
%
A
ALARM
RUN
PRG
V
Hz
kW
1
2
POWER
HITACHI
STR
RUN
STOP
/RESET
FUNC
PIM
+
Bus Capacitor
Board
U
V
W
R
J73
CTU
CTW