Mitsubishi MELDAS HS Series, Технические характеристики и инструкция по эксплуатации

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Chapter 10 Troubleshooting
10–6
No. Name Details Cause of occurrence Investigation method Remedy
Visually check whether there was a collision
with the machine. Check the cause of
the collision. The machine was
collided with.
Is there interference with the positioning
pin? Do not use positioning
pins.
51 Overload 2 An excessive load
was applied for
longer than the set
time.
Amplifier detector fault. Check the repeatability. Replace the amplifier
detector.
The speed loop gain
(VGN1) is small. Is the motor speed fluctuating? Adjust the gain.
Is the acceleration/deceleration time
constant too short?
The current limit value is too low and a
sufficient torque is not output.
Adjust the parameters. The motor load is too
large.
The motor brakes cannot be released? Repair the brake
circuit.
The excessive error
detection width is too
small. Check the SV023 (SV053) setting value. Adjust the parameters.
The input voltage is low. Is the input voltage 170V or less, or near
170V?
Is the input voltage unstable?
Check the power
supply.
Increase the
acceleration/decelerati
on time constant.
52 Excessive error 1 The actual motor
position and model
position difference
was excessive at
servo ON.
Detector and amplifier
fault Change with another axis and check the
repeatability. Replace the detector
and the amplifier.
The excessive error
detection width is too
small. Check the VS026 setting value. 53 Excessive error 2 The actual motor
position and model
position difference
was excessive at
servo OFF.
The CNC has stopped
the follow up function. Check the CNC parameters.
Adjust the parameter.
54 Excessive error 3 At servo ON, the
difference of the
actual motor
position and the
model position was
excessive.
Refer to AL52.
The machine collided. Is there any collision or interference at the
machine end? Remove the cause of
the collision.
The machine load is
heavy. Check the relation of the parameters and
machine load.
sv032: Torque offset
sv045: Frictional torque
sv059: Estimated torque gain Reset the parameters,
or correct the
abnormal machine
state.
58 Collision
detection 1: G0
The collision
detection function
activated during
rapid traverse.
The collision detection
level is small. Is the value set in consideration of the
machine and motor variation? sv060 Adjust the parameter.
Refer to section AL58.
The cutting load is
heavy. Check whether cutting is being carried out
correctly, and whether the byte is chipped. Repair the abnormal
section.
59 Collision
detection 1: G2
The collision
detection function
activated during
cutting feed.
The cutting load is
heavy. Raise the collision detection level for cutting
feed. sv035. Adjust the parameter.
The machine collided. Is there any collision or interference at the
machine end? Remove the cause of
the collision.
The machine load is
heavy. Is there any abnormal section in the
machine? Repair the abnormal
section.
5A Collision
detection 2
The current
command reached
the maximum
capacity of the
driver.
The acceleration/
deceleration time
constant is short. Check the acceleration/deceleration torque.
If there is no allowance to the
acceleration/deceleration torque in respect
to the motor torque:
1. Lengthen the acceleration/deceleration
time constant.
2. Set sv035:cl2n to 1.
Adjust the parameter.
Amplifier fault Check the repeatability. Replace the amplifier. 88 Watch dog The amplifier
system did not
operate correctly.
The grounding is
incomplete. Check the grounding state. Ground correctly.