1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
1 - 80
Alarm No.: 7C
Name: Functional safety unit communication diagnosis error (safety observation function)
Alarm content
The network communication had an error in the functional safety unit.
Detail
No.
Detail name
Cause
Check method
Check result
Action
Target
7C.1 Functional
safety unit
communication
setting error
(safety
observation
function)
(1) Communication
cycle
does not match.
Check the
communication cycle
setting ([Pr. PSC01])
of the servo system
controller and the
functional safety unit.
Communication
cycle setting is
incorrect.
Set it correctly.
[B]
[GF]
Communication
cycle setting is
correct.
Check (2).
(2) The time taken for the
detection of safety
communication errors
is not set correctly.
Refer to "MR-D30
Instruction Manual"
and check the setting.
It is not set
correctly.
Set it correctly.
[GF]
It is set correctly.
Check (3).
(3) 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.
[B]
[GF]
It is repeatable.
Check (4).
(4) Something near the
device caused it.
Check the noise,
ambient temperature,
etc.
It has a failure.
Take
countermeasures
against its cause.
7C.2 Functional
safety unit
communication
data error
(safety
observation
function)
(1) The time taken for the
detection of safety
communication errors
is not set correctly.
Refer to "MR-D30
Instruction Manual"
and check the setting.
It is not set
correctly.
Set it correctly.
[GF]
It is set correctly.
Check (2).
(2) An error occurred at
the safety master
station side.
Check if an alarm
occurs at the safety
master station.
It is occurring.
Refer to the
troubleshooting for
the master station
and take
countermeasures.
It did not occur.
Check (3).
(3) An error occurred at
the servo system
controller side.
Check if the settings of
the servo system
controller side are
correct.
It has a failure.
Set it correctly.
[B]
It has no failure.
Check (4).
(4) [B]: Check it with the check method for [AL. 34.1].
[GF]: Check it with the check method for [AL. 8D.1].
[B]
[GF]
Содержание MELSERVO MR-J4-B-RJ Series
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