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Notes:
Main
circuit
Control
circuit
powe
upp
External
OL.LMT
,
frequency set-
ting voltage
gim
switching
(540V)
Frequency setting
peti a
VCO
CPU
circuit
Frequency meter
Forward
'obation
a
i
rotation'
1
1
1
1
1
1
1
t
i
t
Explanation
of symbols
Fan
(3.5SF3EH)
D M:
Diode module
(Con
C
B:
Smoothing
capacit
@8) : Fault
alarm
relay
ZNR
:
Surge
absorber
Fig. 4 (a)
Electromagnetic
contactor
(Not used
to 1.5SF3EH)
SH or
CT1
{_)
ROM
NV-RAM
Digital
operation
panel
Interface
Optional
PC board
©
Power
terminal
© Signal
terminal
C3 Connector
O
S
H:
Shunt
resistor
©
CT2
: Current
transformer
Circuit Configuration
(For 200V Class)
ll -
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