Hitachi SJ700-2 Series Welding System User Manual


 
SJ700-450LF**2 Circuit Diagram
Thermistor
Thermistor
R0T0 TM
Board
Charge
Lamp
Ground Terminal
with Jumper
(EU/JPN switch)
Logic Board
ZCL
1
21
20
40
21
1
40
20
J53
Main Board
J92
J60
U
V
W
Control Terminal Board
TM2(RS422/MODBUS-RTU)
CN1
PLUG
OPEC
TMC
FAN
J36
J31
J91
J91
J92
J51
R
J21 J22
+
DM1
T0
R0
J1
J1
Flat Cable
G
G
R
T
J10
TG1
TG2
Option Board-1
OPT1C
Option Board-2
OPT2C
R
S
T
P
PD
N
J66
P
N
U
V
W
IPM
DM2
DM3
2
2 2
3
3
3
1
1
1
2
1
K
+
CTU
CTW
G
J54
J55
CB1
CB8
THY
Driver Board
J54
J55
J53
JU
JV JW
JCTU
JCTW
FAN
J23
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
AL2
%
A
ALARM
RUN
PRG
V
Hz
kW
1
2
POWER
HITACHI
STR
RUN
STOP
/RESET
FUNC