MDS-C1-SPA Series INSTRUCTION MANUALib1500152(eng)a.pdf - 第183页

5. Troubleshooting 5 - 12 Alarm No. 41 Detector changeover unit, communication error During 1-drive unit 2-motor control, an error was detected in the communication with the detector changeover unit. Investigation detail…

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5. Troubleshooting
5 - 11
Alarm No.
37
Initial parameter error
An illegal parameter was detected at power ON.
Investigation details Investigation results Remedies
1 Check the error parameter No. SP001 to SP384 Set the value within the designated
setting range.
(Note) Refer to "5-3-4 Parameter numbers at initial parameter error".
Alarm No.
3B
Power module overheat
The power module's temperature protection function activated.
Investigation details Investigation results Remedies
Large amounts of cutting oil or cutting
chips, etc., are adhered, or the
rotation is slow.
Clean or replace the fan. 1 Confirm that the fan is rotating
correctly.
The fan is rotating properly. Investigate item 2.
Cutting oil or cutting chips, etc., are
adhered, and the fins are clogged.
Clean the fins. 2 Check whether the heat dissipating
fins are dirty.
The fins are normal. Investigate item 3.
55°C or more Improve the ventilation and cooling
for the power distribution panel.
3 Measure the drive unit's ambient
temperature.
Less than 55°C. Investigate item 4.
No abnormality is found in particular. If the alarm occurs even after the unit
temperature has dropped, replace
the unit.
4 Check if there is any abnormality in
the unit's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
Alarm No.
3F
Speed excessive deflection 2
During constant speed operation, the difference between the speed command and speed
feedback exceeded the set amount and set time.
Investigation details Investigation results Remedies
The cutting load is large. Lower the cutting load. 1 Check the load value, and investigate
the machine's load state.
The cutting load is not large. Investigate item 2.
Locked with a mechanical lock. Remove the cause of the lock. 2 Check whether the spindle rotary
section is locked with a mechanical
lock (C-axis clamp, etc.).
Not locked with a mechanical lock. Investigate item 3.
Improved. Replace the drive unit. 3 Try replacing the drive unit.
Not improved. Investigate the motor.
(Check the motor type and
parameters.)
Alarm No.
40
Detector changeover unit, changeover error
During 1-drive unit 2-motor control, an error was detected in the motor changeover signal
received form the detector changeover unit.
Investigation details Investigation results Remedies
The connector is disconnected (or
loose).
Correctly install. 1 Wiggle the FR-TK unit connector by
hand to check whether it is
disconnected.
The connector is not disconnected. Investigate item 2.
The cable is broken. Replace the cable. 2 Check whether the cable connected
between the spindle drive unit and
FR-TK unit is broken.
The cable is not broken. Investigate item 3.
No abnormality is found in particular. Replace the drive unit. 3 Check if there is any abnormality in
the unit's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
5. Troubleshooting
5 - 12
Alarm No.
41
Detector changeover unit, communication error
During 1-drive unit 2-motor control, an error was detected in the communication with the
detector changeover unit.
Investigation details Investigation results Remedies
1 Check the alarm No. "40" items.
Alarm No.
42
Feedback error 1
With the servo, pulse-type position detector feedback signal error was detected. With the
spindle, a PLG feedback signal error was detected.
Investigation details Investigation results Remedies
The connector is disconnected (or
loose).
Correctly install. 1 Check whether the drive unit
connectors (CN6) or detector
connectors are disconnected.
The connector is not disconnected. Investigate item 2.
There is a connection fault. Replace the detector cable. 2 Turn the power OFF, and check the
detector cable connection with a
tester.
The connection is normal. Investigate item 3.
The alarm is on the drive unit side. Replace the drive unit. 3 Connect to another normal drive unit,
and check whether the fault is on the
drive unit side or detector side.
The alarm is on the detector side. Investigate item 4.
There is a problem. Adjust the PLG output waveform. 4 Check the PLG output waveform.
Normal Investigate item 5.
No abnormality is found in particular. Replace the detector. 5 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
Alarm No.
46
Motor overheat
The temperature protection function in the motor or detector activated.
Investigation details Investigation results Remedies
The alarm occurs before operation. Investigate item 2. 1 Check the repeatability.
The alarm occurs occasionally after
operation is started.
Investigate item 4.
The connector is disconnected (or
loose).
Correctly install. 2 Check whether the drive unit
connectors (CN6) or detector
connectors are disconnected.
The connector is not disconnected. Investigate item 3.
The cable is broken. Replace the cable. 3 Using a tester, check whether the
detector cable is broken.
The cable is not broken. Investigate item 11.
The load is large. Investigate item 7. 4 Check the load meter (spindle).
The load is not large. Investigate item 8.
The constant load torque (friction +
unbalance) is 60% or more.
Select the motor so that the constant
load torque is 60% or less.
5 Is the unbalance torque high?
The constant load torque is less than
60%.
Investigate item 6.
The alarm was forcibly reset. Do not turn the drive unit's power
OFF when an overload alarm occurs.
6 Was the overload alarm (50) forcibly
reset by turning the drive unit power
OFF?
The alarm was not forcibly reset. Investigate item 8.
There was an incorrect setting. Correctly set. 7 Check the parameter settings.
The settings are correct. Investigate item 8.
Hot. Investigate item 9. 8 Measure the motor temperature
when the alarm occurs.
Not hot. Investigate item 11.
The fan motor was stopped. Investigate item 10.
The motor fan wind flow is poor. Clean.
9 When using a motor with fan, check
whether the fan is stopped, or
whether it is clogged with dust, etc.
There is no problem. Investigate item 11.
The cable is broken. Replace the cable. 10 Check the fan wiring.
The cable is not broken. Replace the fan.
Improved. Replace the drive unit. 11 Try replacing the drive unit.
Not improved. Replace the motor.
5. Troubleshooting
5 - 13
Alarm No.
50
Overload 1
The overload detection level reached 100% or more. The motor or drive unit is in the overload
state.
Investigation details Investigation results Remedies
The standard values (below) are not
set.
Servo : SV021 = 60, SV022 = 150
Spindle : SV063 = 60, SP064 = 110
Set the standard values.
1 Check the overload parameters.
SP063, SP064
The standard values are set. Investigate item 2.
The load is large. Servo : Investigate item 3.
Spindle : Investigate item 7.
2 Check the load meter (spindle).
The load is not large. Investigate item 9.
There is a problem. Adjust the PLG output waveform. 3 Check the PLG output waveform.
Normal Investigate item 4.
The motor performance is
insufficient.
Lower the acceleration/deceleration
rate or cutting load.
4 Confirm the motor capacity selection
again.
The motor performance is sufficient. Investigate item 5.
Improved. Replace the drive unit. 5 Try replacing the drive unit.
Not improved. Replace the motor.
(Note) PR resetting is not possible when the overload level is 50% or more. Do not forcibly reset (AR) by turning the unit power
OFF. If AR resetting is used at 50% or higher, the level is set to 80% when the power is turned ON next.
Alarm No.
51
Overload 2
With the servo, a current command exceeding 95% of the unit's maximum current continued
for one second or more. With the spindle, a load exceeding the continuous rating continued
for 30 minutes or more.
Investigation details Investigation results Remedies
The load is large. Lower the load. 1 Check the load meter value.
The load is not large. Investigate item 2.
There is a problem. Adjust the PLG output waveform. 2 Check the PLG output waveform.
Normal Replace the drive unit.
Alarm No.
52
Excessive error 1
The difference between the motor's actual position at servo ON and the theoretical position
exceeded the setting value.
Investigation details Investigation results Remedies
A value larger than the droop amount:
Droop amount =
Spindle rotation speed
×
No. of pulses
60
×
position loop gain
Set appropriate values. 1 Check the excessive error detection
width.
SP102 (Orientation control)
Appropriate values are set. Investigate item 2.
The polarity is reversed. Correctly set the parameters. 2 Check the position detector polarity.
SP097/bit5 (Orientation control)
Normal. Investigate item 3.
3 Check the alarm No. "51" items.
Alarm No.
57
Option error
An input that does not exist in the option settings was selected for the general-purpose input.
Investigation details Investigation results Remedies
The setting value is incorrect.
Drive unit option symbol
None: For 1 to 3, 15 or 17,
setting impossible
R: For 15 or 17, setting impossible
D: For 1 to 3, 15, setting impossible
T: For 1 to 3, 17, setting impossible
RD: For 17, setting impossible
RT: For 17, setting impossible
Change the setting value.
1 Check the spindle parameters SP140
to SP151 settings.
The setting value is correct. Replace the drive unit.