Hitachi SJ700-2 Series Welding System User Manual


 
SJ700-300LF**2 Circuit Diagram
R0T0
TM
Charge
Lamp
Logic Board
Thermistor
Thermistor
ZCL
1
21
20
40
21
1
40
20
J11
Main Board
J92
G2 G1 TMR TMS TMT TMN1 TMP1 J72 TMP
TMN
P
N
U
V
W
IPM
U
V
W
PLUG
OPEC
TMC
CT
FAN FAN
J36
J31
J91
J91
J92
J51
R
R
TMTG J21 J22 JCT
+
Ground Terminal
with Jumper
(EU/JPN switch)
R
S
T
+
-
R2
G
DM
T0
R0
J1
J1
Flat Cable
G
G
R
T
TMPD J23
+
Option Board-1
OPT1C
Option Board
-
2
OPT2C
R
S
T
P
PD
N
FAN
Control Terminal Board
TM2(RS422/MODBUS-RTU)
CN1
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