1 Troubleshooting
1.2
Checking method and
countermeasures of
trouble
calssifica-
tion
A
1.2.3
The equipment does not work in occassions.
The orien-
tation stop position deviates.
Although an alarm
appears,
after turning on and off the power or resetting
the equipment, the equipment normally works.
[tern
Cause
Check
Remedy
An instantaneous power
o
Check that an instantaneous
0
Check the cause of the
failure or voltage
power failure occurred in
instantaneous power failure
1
drop of the input power
another facility in the same
and take the proper
counter-
occurs. (Alarm No.101
plant.
measures so that the same
situation will not occur.
The machine is
over-
0
Rotate the motor at a slow
o
Remove the cause of the load
loaded instantaneously
speed and check that the
change.
due to affect of
vib-
motor load changes through
2
rations and so forth. the status display.
o
Adjust the related control
(See Section
1.1.1
or
1.1.2)
so that the backlash becomes
(Note) This trouble
small.
often occurs when
o
Check the backlash between
orientation is
in-
the spindle encoder and
correctly conducted.
spindle.
The equipment malfunc-
o
Check the voltage waveform
o
Place a serge killer near
tions with a too large
of the amplifier input pins
the noise source.
noise.
Xl, x2,
and X3 with an
(For example, 200 VAC,
(Power supply line)
oscilloscope.
DCR-2-12003-5041, made by
3
o
While removing suspicious
MATSUO)
noise sources one by one,
check the voltage waveform
and find the real noise
source.
The equipment malfunc-
D
Check the signal waveforms
o
Correctly connect the ground
tions by noise which
at check pins
CH44-CH9
(or
wires of the power supply,
enters a signal from
AGA)
for phase A signal and
amplifier, and motor.
the motor built-in
CH45-CH9
(or
AGA)
for phase
(See Appendix
1.)
encoder.
B signal using an
OscillO-
o
Correctly connect the shield
4
scope.
(See
Appendixes
6(l)
and
ground wire of the signal
9(l).)
line
(CON21
to the motor
built-in encoder
(PLG)
by
(Note) When measuring the
referencing Appendix 1-4.
waveforms, turn off the
power of the amplifier
before using the check
pins.
-16-
To Next Page
Loading...
General