Mitsubishi Electric Melservo-J4 Instruction Manual page 124

Alarm No.: F6
Alarm content
Detail Detail name
No.
F6.6 Cam control
inactive
1 TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
122
1.5 Remedies for warnings
Name: Simple cam function - Cam control warning
 The cam axis position restoration at a time of cam control start was a failure.
 The cam control is not normal.
Cause Check method
(1) After cam data was Check if the power was
written, the cam control cycled after the cam data
command was turned was written.
on without cycling the
power.
(2) After the cam control Check if the cam control
command was turned command was turned on
on, the servo-on was during servo-on.
turned on.
(3) The cam control Check if the cam control
command was turned command was turned on
on during servo motor while the travel
driving, and the servo completion was on.
motor stopped.
(4) The cam control Check if the home
command was turned position return
on at the time of completion is on.
incompletion of home
position return.
(5) It became servo-off Check if it is servo-off.
during cam control.
(6) A home position is Check if the home
erased during cam position return
control. completion is off.
(7) It is stopped at a Check if a software limit
software limit during is reached.
cam control.
(8) It is stopped at a stroke Check if a stroke limit is
limit during cam control. reached.
Check result Action
The power was not Cycle the power.
cycled.
The power was cycled. Check (2).
The cam control Turn on the cam control
command was not turned command during servo-
on during servo-on. on.
The cam control Check (3).
command was turned on
during servo-on.
The cam control Turn on the cam control
command was not turned command while the
on while the travel travel completion was on.
completion was on.
The cam control Check (4).
command was turned on
while the travel
completion was on.
The home position return Make a home position
completion is off. return, and turn on the
cam control command.
The home position return Check (5).
completion is on.
It is servo-off. After servo-on, turn on
the cam control
command again.
It is servo-on. Check (6).
The home position return After the home position
completion is off. return completion, turn
on the cam control
command again.
The home position return Check (7).
completion is on.
A software limit is After it is retracted from
reached. the position of a software
limit, turn on the cam
control command again.
A software limit is not Check (8).
reached.
A stroke limit is reached. After it is retracted from
the position of a stroke
limit, turn on the cam
control command again.
Target
[A]
[GF]