Mitsubishi FREQROL-SFJ, Руководство по обслуживанию

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Checkup Remedy
BSL setting.
interface.
Oriented Oriented spindle stop off oriented
stop signal is on. spindle stop signal.
No alarm disply appears,
but motor rotates slowly (accele-
ration is impossible),
or large sound arises in motor
. .
Cause
Checkup
Remedy
Check wire connection to Correct or remedy
output terminals U, V and
the wiring.
W of FR-SFJ (phase sequen-
ce).
Input power Check the input power Use the correct
ply in all 3 phases. cified power supply.
age) improper
I
Speed reference Check if motor speed does
Remedy the external
signal input not increase in accordance speed reference
from externai
signal source
Trouble with
motor built-in
encoder/CON2
cable or motor
built-in
with speed reference signal. nal circuit.
When motor shaft is turned
Check the motor
by hand with "ready;' signal
built-in encoder/
turned off, speed display
CON2 cable.
by the LED readout is not
Replace the motor
in accordance with motor
buiit-in encoder.
coder shaft rotation.
Pin 2 and 3 of Check Pin 2 and 3 settings
card SFJ-CA1
not‘set proper-
;
nected to not.
Connected
N o t
connected
_ _ _ _
Shows that pin
is set.
__