1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
1 - 62
Alarm No.: 63
Name: STO timing error
Alarm content
STO input signal turns off while the servo motor is rotating.
Detail
No.
Detail name
Cause
Check method
Check result
Action
Target
63.1 STO1 off
(1) STO1 was turned off
(enabled) under the
following speed
conditions.
1) Servo motor speed:
50 r/min or more
2) Linear servo motor
speed: 50 mm/s or
more
3) Direct drive motor
speed: 5 r/min or
more
Check if STO1 is off
(enabled).
It is off (enabled).
Turn on STO1
(disabled).
[A]
[B]
[WB]
[RJ010]
[GF]
63.2 STO2 off
(1) STO2 was turned off
(enabled) under the
following speed
conditions.
1) Servo motor speed:
50 r/min or more
2) Linear servo motor
speed: 50 mm/s or
more
3) Direct drive motor
speed: 5 r/min or
more
Check if STO2 is off
(enabled).
It is off (enabled).
Turn on STO2
(disabled).
63.5 STO
by
functional safety
unit
(1) STO of the functional
safety unit was turned
off (enabled) under the
following speed
conditions.
1) Servo motor speed:
50 r/min or more
2) Linear servo motor
speed: 50 mm/s or
more
3) Direct drive motor
speed: 5 r/min or
more
Check if STO of the
functional safety unit is
off (enabled).
It is off (enabled).
Turn on STO
(disabled).
[A]
[B]
[GF]
Alarm No.: 64
Name: Functional safety unit setting error
Alarm content
A setting of the servo amplifier or functional safety unit was incorrect.
Detail
No.
Detail name
Cause
Check method
Check result
Action
Target
64.1 STO input error (1) When a functional
safety unit is used, a
connector is connected
to CN8 of the servo
amplifier.
Check the connection
of the CN8 connector.
It is connected.
Turn off the control
circuit power supply
of the servo
amplifier, and then
remove the
connector of CN8.
[A]
[B]
[GF]
64.2 Compatibility
mode setting
error
(1) When a functional
safety unit is used, the
J3 compatibility mode is
set.
Check the parameter
setting.
The J3 compatibility
mode is set.
The J3 compatibility
mode is not
supported with the
functional safety
unit. Set it correctly.
[B]
64.3 Operation
mode
setting error
(1) The speed observation
function turned to be
enabled in the fully
closed loop control
mode, linear servo
motor control mode, or
DD motor control mode.
Check if the parameter
setting is correct.
The setting is
incorrect.
Set it correctly.
[A]
[B]
[GF]
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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