1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
1 - 78
Alarm No.: 79
Name: Functional safety unit diagnosis error
Alarm content
A diagnosis of the functional safety unit failed.
Detail
No.
Detail name
Cause
Check method
Check result
Action
Target
79.8 Position
feedback fixing
error
(1) The position feedback
data do not change
within the position
feedback fixing error
detection time [Pr.
PSA22].
Check the [Pr.
PSA22] setting.
It is not set
correctly.
Review the
parameter.
[A]
[B]
[GF]
It is set correctly.
Check (2).
(2) The position feedback
data do not change.
Check the feedback
data by rotating the
servo motor.
The position
feedback data
changes.
Perform an operation
which rotates the
servo motor within
the position feedback
fixing error detection
time [Pr. PSA22].
The
position
feedback data do
not change.
Check (3).
(3) The servo motor is
malfunctioning.
Replace the servo
motor, and then check
the repeatability.
It is not repeatable.
Replace the servo
motor.
It is repeatable.
Check (4).
(4) The functional safety
unit is malfunctioning.
Replace the functional
safety unit, and then
check the
repeatability.
It is not repeatable.
Replace the
functional safety unit.
Alarm No.: 7A
Name: Parameter setting error (safety observation function)
Alarm content
A parameter of the functional safety unit failed.
Detail
No.
Detail name
Cause
Check method
Check result
Action
Target
7A.1 Parameter
verification error
(safety
observation
function)
(1) A parameter of the
functional safety unit is
incorrect.
Review the parameter. It is not repeatable.
Set the parameter
correctly.
[A]
[B]
[GF]
It is repeatable.
Check (2).
(2) The functional safety
unit is malfunctioning.
Replace the functional
safety unit, and then
check the
repeatability.
It is not repeatable.
Replace the
functional safety unit.
It is repeatable.
Check (3).
(3) Something near the
device caused it.
Check the noise,
ambient temperature,
etc.
It has a failure.
Take
countermeasures
against its cause.
7A.2 Parameter
setting range
error (safety
observation
function)
(1) The initial settings for
the functional safety unit
have not been finished.
Check the [Pr. PSA01]
setting.
It is not enabled.
Enable the setting
with checking
parameter contents.
It is enabled.
Check (2).
(2) A parameter of the
functional safety unit
was set out of range.
Check the value of set
parameters.
It is out of setting
range.
Set it within the
range.
7A.3 Parameter
combination
error (safety
observation
function)
(1) A parameter of the
functional safety unit or
servo amplifier is
incorrect.
Check the parameter
settings of the
functional safety unit
and servo amplifier.
Functional safety unit:
[Pr. PSA02], [Pr.
PSA18] to [Pr.
PSA21], [Pr. PSC03],
[Pr. PSD01] to [Pr.
PSD17], [Pr. PSD26]
Servo amplifier:
[Pr. PA14]
It is not set correctly. Set the parameter
correctly.
Содержание MELSERVO MR-J4-B-RJ Series
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Страница 137: ...1 TROUBLESHOOTING FOR SERVO AMPLIFIER DRIVE UNIT 1 130 MEMO ...
Страница 145: ...2 TROUBLESHOOTING FOR MR CV_POWER REGENERATION CONVERTER UNIT 2 8 MEMO ...
Страница 155: ...3 TROUBLESHOOTING FOR MR CR55K 4 RESISTANCE REGENERATION CONVERTER UNIT 3 10 MEMO ...
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