Hitachi SJ700-2 Series Welding System User Manual


 
6-3
SJ700-150LF**2 185LF**2 Circuit Diagram
Option Board-1
OPT1C
O
p
tion Board-2
OPT2C
ZCL
1
21
20
4
21
1
40
20
J11
J92
G2 G1 TMR TMS TMT
TMN1
TMP1
J72
TMP
TMN
U
V
W
Control Terminal Board
TM2(RS422/MODBUS-RTU)
CN1
PLUG
OPEC
TMC
CT
FAN FAN
J36
J31
J91
J92
J51
R
R
J10
J21 J22
JCT
+ +
5
4
3
1
2 0 6 7
DM
T0
R0
J1
J1
R
T
G
G
R
S
T
P
PD
N
RB
P
B
N
U
V
W
IPM
R0T0 TM
Board
Main Board
Ground Terminal
with Jumper
(EU/JPN switch)
Charge
Lam
p
Lo
g
ic Board
Thermistor
Thermistor
Flat Cable
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