r
-
Symbol
FU
(Continued)
SE
FM
Terminal name
Common terminal for
open collector
output
IC signal
Terminal for
frequency indicator
and digital counter
Description
The signal is ” H ” when inverter output
frequency is lower than the preset frequency
level (open collector output) .
This terminal is common to signals RUN,SU,
OLJPF and FU, and insulated from common
control circuit.
When inverter is shipped, the signal is set so
that about DC 5 V (FM-SD opened) is output
when inverter output frequency is 60Hz.
The output voltage is proportional to the
output frequency, and has pulse train waveform.
Initial setting: 1440Hz/60Hz
*When function No.41 is set to ” 1 ” for forward and reverse operation
with analog speed reference signal, the inverter output frequency becomes
maximum when signal voltage is - 5 V (or -lOV> .
Note 1 : The. rated voltage and current of open collector output are DC24V
and O.lA respectively.
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