Note: Control terminal symbol is SJ300.
Option Board
Option Board
1
2
H I T A C H I
S T R
RUN
STOP/RESE
FUNC
Logic Board
OPTXC
OPT1C
OPTXC
OPT2C
TMC
SP SN RP SN
P24 PLC
FW 8
7
6
5
4
3
2
1
CM1
FM TH
CM1 11 12 13
14 15
CM2
H
O
OI
O2
L AM
AMI
AL2 AL1 ALO
Control Terminal Board
CN1
PLUG
OPEC
Digital
Operator
Plug
SJ300-550LF,L300P-750LFR Circuit Diagram
U
V
W
J1
Main Board
+
CTW
TUG
J52
J41
DM Board
IGBT
J32
Thermistor
Flat Cable
J52
J41
DM
R
T
J33
Thermistor
FAN
J21
FAN
J22
FAN
J23
CTU
J71
J71
J56
CT Board
J61
J53
J54
J55
Control
Power Board
R
T
J51
To
Ro
Pre Control
Power Board
J65
J65
J62
J62
J64
J64
J1
+
+
+
TUE
TXG
TXE
J31
Thermistor
THY
Snubber Module
R1-R6
R
S
T
G
N
G
PD
P
J10
Содержание SJ300 Series
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