Mitsubishi FREQROL-SFJ, Руководство по обслуживанию

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(3) True speed does not meet referenced speed
Cause
Checkup
Remedy
Adjustment
Adjustment is not made for
Correct spindle
improper
S-analog speed reference. meter setting
display).
External speed
Voltage of speed reference Remedy the external
reference signal
signal from external signal speed reference
improper
source does not change circuit.
from to
(Analog speed reference
signal input: CH30 AGA)
S command code
BCD code is output instead code should be
improper
of binary code for S used for S command.
mand (machine parameter (Set to
is set at
(4) Required torque cannot be obtained . . . . .
Perform check in accordance with (2) and (5).
(5) It takes ionger time to start the motor . . . . .
Cause Checkup
Remedy
Load increased
Check the load condition.
Lighten the load.
(6) "Up-to-speed"
signal is not output (for DIO interface with
NC) . . . . .
Cause
Checkup
Remedy
Trouble with
Check that "up-to-speed"
Replace the card
output circuit
flag (external output in
of card
DIAGNOSIS mode) turns on
CA1
when motor speed reaches
the preset speed.
If the flag does not turn
the output circuit is
defective.
(7) Data sent from the NC is not accepted . . . . . .
Interlock turns on because "up-to-speed" signal is not
output properly.
Check the control sequence and perform