Table of Contents
Advertisement
1 . 2 . 3
The equipment does not work in occassions.
tation stop position deviates.
appears, after turning on and off the power or resetting
the equipment, the equipment normally works.
Cause
An instantaneous power
failure or voltage
1
drop of the input power
occurs. (Alarm No.101
The machine is over-
loaded instantaneously
due to affect of vib-
rations and so forth.
2
(Note) This trouble
often occurs when
orientation is in-
correctly
conducted.
The equipment malfunc-
tions with a too large
noise.
(Power supply line)
3
The equipment malfunc-
tions by noise which
enters a signal from
the motor built-in
encoder.
4
Check
power failure occurred in
another facility in the same
plant.
speed and check that the
motor load changes through
the status display.
(See Section 1.1.1 or 1.1.2)
the spindle encoder and
spindle.
of the amplifier input pins
Xl, x2, and X3 with an
oscilloscope.
noise sources one by one,
check the voltage waveform
and find the real noise
source.
at check pins CH44-CH9 (or
B signal using an OscillO-
scope.
Appendixes 6(l) and
(Note) When measuring the
waveforms, turn off the
power of the amplifier
before using the check
pins.
1 Troubleshooting
1.2
Checking method and
countermeasures
trouble calssifica-
tion
A
The orien-
Although an alarm
Remedy
instantaneous power failure
and take the proper counter-
measures so that the same
situation will not occur.
change.
so that the backlash becomes
small.
the noise source.
(For example, 200 VAC,
DCR-2-12003-5041, made by
wires of the power supply,
amplifier, and motor.
(See Appendix 1.)
ground wire of the signal
line (CON21 to the motor
built-in encoder (PLG) by
referencing Appendix 1-4.
of
Hide quick links:
Advertisement
Table of Contents
