4742-E P-30
SECTION 1 INVERTER UNIT (MIV UNIT)
35
Not used
(servo axis
belt breakage)
36
Separately
installed
encoder initial-
ization error
An error occurred in the initialization processing of the sepa-
rately installed encoder.
XXYYZZZZ
Format is the same as explained in alarm No. 12.
Change the sepa-
rately installed
encoder.
Change the encoder
link cable.
Change the MIV unit.
37
APA error
Calculation error occurred during the calculation of APA.
XXXXXXXX
1: Linear axis division stroke over
2: Semi-closed loop position data conversion error
([pr]
→
[pf])
3: Underflow in synthesizing
4: Overflow in synthesizing
5: Hybrid control input overflow
6: Hybrid control initialization overflow
Change the motor
attached position
encoder, and the
shaft attached posi-
tion encoder or the
absolute scale.
Check the servo
data file.
Change the MIV unit.
38
Motor over-
load
(electronic
thermal relay)
The overload protection function was activated since the motor
load exceeded the specified value.
XXXXYYYY
XXXX =
ϒ
of the protection curve at the detection of overload
YYYY = Cumulative data at the detection of overload
Check the operation
conditions.
Reduce the cutting
load torque.
Check the servo
data file.
Change the MIV unit.
Change the motor.
39
Changed
absolute sub-
slider error
When changed to absolute scale, the sub-slider is not
detected.
The format is the same as that of the encoder error
(alarm No. 11).
Change the sub
slider.
Change the encoder
link cable for sub
slider.
Change the MIV unit.
40
Tandem
control com-
munication
error
In tandem control, an error occurred in communication data
from the master axis. (Only slave axis is detected.)
XXXX = Description of error
0001: The communication data counter limit is not reached.
0002: The format code of communication data is unknown.
YYYY = Data
If xxxx = 0001
Fixed at 0
If xxxx = 0002
Unknown format code (lower byte)
Change the MIV unit.
Change the servo
link cable.
No.
Name
Description/Alarm Code
Corrective Action
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