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RUN
1
SUFU
Control
circuit
(output
signals)
SE
FM
Terminal name
Error alarm output terminal
Operating status output terminals
Open collector common terminal
Frequency indicator connection
terminal
Description
lb' contact output indicating that
base
has been shut off by the
nverter protection function. Error:
B
and C open, normal:
B
and
2
close. Contact capacity:
230 VAC, 0.3 A:
30
VDC,0.3A
3ne of the following three types of output can be selected
and used.
For the inverter in-operation (RUN) signal terminal, the
signal is 'L' when the inverter output frequency
is
higher
than start frequency, and 'H' without output and during
DC dynamic brake operation.
*
For the up-to-frequency signal terminal, the signal is
'L'
when the inverter output frequency reaches the preset
frequency. The signal is 'H' during
acceleration/deceleration, or stopped.
For frequency detection terminal, the signal falls to
'L' i f
current exceeds the optionally set detection frequency,
and 'H' if current is under that frequency.
Open collector output. Allowable load: 24 VDC, 0.1A
Sommon to RUN, SU, and FU. Insulated from common circuit
31
the inverler control circuit.
Nhen the inverter is shipped, the signal is set
so
that about
5
VDC (FMeSD opened) is output when the inverter output
irequency is 60 Ht. The output voltage is proportional to the
Dutput frequency and has pulse train waveform that allows
:onnection of a digital indicator. Pulse of 8 V is output at a
frequency of
1440 HU60 Hz (See
page
95.)
-
122-
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