-- “. ,..,.i-.“--
--- ,-,- -- _-._._ .,. . .._- _..* .I.. _ , I _, .~ . . __.~l__l
Note *: The stall prevention threshold level is set to “150%” of
inverter rated current when the inverter is shipped. This
setting can be changed by user (the overcurrent stall
prevention is activated at the threshold level set by user) .
Use this function parameter with care.
INDICATION AND DISPLAY OF PROTECTIVE FUNCTION
If a protecsive function is activated,
0 ALARM lamp lights,
and
0 Alarm information is dispkayed on the readout of parameter unit
(for details, refer to the description of
“PARAMETER UNIT”) . (p. 92)
HOW TO RESET THE INVERTER
If a protective function is activated, the inverter output is shut off
(held shut off) and the -motor stops after coasting.
To resume operation, the inverter should be reset by turning off and
then on again, or short-circuit between RESET terminals (RES and SD>
for at least O.lsec.
If terminals (RES and SD) are held closed, “Err.” appears (flickering) in
the readout * of the parameter unit, indicating that the inverter is in a
reset condition. Do not switch on and off repeatedly by the mains unit.
HOW TO HOLD AN ALARM OUTPUT SIGNAL
/
If the magnetic contactor on the power input side of the inverter is
opened when a protective function is actuated, the control circuit of
inverter is shut off from the power supply and the alarm signal cannot
be held on.
r
To hvld an alarm signal, an external circuit which holds an alarm signal
is used, or a separate power supply is provided for the control circuit
(refer to 4. WIRING, (5)) .
‘1
-4Q-
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