Omron SYSDRIVE 3G3SV, Руководство пользователя

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Protection function Error causes Action to be taken
Low-voltage protection
(main circuit voltage in-
sufficient) Input voltage drop Check the main circuit DC voltage in
Un-xx. If the voltage is low, adjust the
input voltage.
Overtorque detection Motor current exceeded the set value
because of machine fault or overload. Check the driven machine and correct
the cause of the fault or set to a higher
value.
Stall pre-
vention (Ac-
cel/decel is
accom-
plished with
maximum
capacity of
the inverter
During ac-
celeration Insufficient power for accel/decel
Overload
Phase loss Set proper accel/decel time for smooth
operation.
For stall prevention during normal op-
eration lighten the load or increase in-
verter capacity.
the inverter
without trip-
ping on
overcurrent
or overvol-
tage.)
During nor-
mal opera-
tion
During de-
celeration
Simultaneous normal and
reverse rotation com-
mands Operation sequence error
3-wire/2-wire selection error Recheck the control sequence.
Recheck constant settings (No. 32 and
No. 33).
External base block sig-
nal input (main circuit
transistor instantaneous
shut-off) --- ---
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Section 2-12