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Main
circuit
Control
circuit
Frequency
setting
module
Frequency
meter
SRA
a
z)
rotation;
+
&
Reverse
u
Py
rotation'
it
ees
E
I
'
Ee sa
ae bok
O
o
; -
1 , GE
CFD
©
' s
Fault
alarm
Ge
f
toe nee'
Notes:
Explanation
of
symbols
O
: Electromagnetic
contactor
OEN
©
Tr
: Transformer
(Only for 400V Class)
OSH
©
D M: Diode module
(Converter module)
©
ct
©
C B: Smoothing capacitor
ORS
©
Q8):
Fault alarm relay
OPM
O
ZR
Surge
absorber
O
THRY
ew
ea
board
for
Oc
oO
; Fan (8HF3EH or more)
9
ý
O
FD
: Fly-wheel diode
O
DCL
WE ee
C]
{|
s
Base
EPEA
a]
(b) Circuit Configuration
(For 400V Class:
[UL
LEH
Current
detection
CPU
circuit
ROM
NV-RAM
Digital
operation
panel
(DE
9 Ca
aoa)
S| N)
ae | ee |
Optional
PC board
©
Power
terminal
©
Signal
terminal
LJ
Connector
Base
board
(LIHF3EH
or more)
Shunt
resistor
(5.5HF3EH
or
less)
Current
transformer
(8HF3EH
or more)
: Current
limiting
resistor
Power
module
(Inverter
module)
* Thermal
relay
Current
transformer
Smoothing
capacitor
charging
check
LED
DC
reactor
22HF3EH or less)
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