3. SIGNALS AND WIRING
3 - 23
3.7 Alarm occurrence timing chart
CAUTION
When an alarm has occurred, remove its cause, make sure that the operation
signal is not being input, ensure safety, and reset the alarm before restarting
operation.
When alarms are occurring in all axes of A, B, and C, shut off the main circuit
power supply. Not doing so may cause a fire when a regenerative transistor
malfunctions or the like may overheat the regenerative resistor.
POINT
In the torque control mode, the forced stop deceleration function is not available.
To deactivate the alarm, cycle the control circuit power or give the error reset or CPU reset command from
the servo system controller. However, the alarm cannot be deactivated unless its cause is removed.
3.7.1 When you use the forced stop deceleration function
POINT
To enable the function, set "2 _ _ _ (initial value)" in [Pr. PA04].
(1) When the forced stop deceleration function is enabled
When an all-axis stop alarm occur, all axes will be the operation status below. When a corresponding
axis stop alarm occurs, only the axis will be the operation status below. You can normally operate the
axis that any alarm is not occurring.
Command is not received.
Alarm occurrence
Alarm No.
No alarm
(Note 1)
Model speed command 0
and equal to or less than
zero speed
MBR
(Electromagnetic
brake interlock)
ON
OFF
ON (no alarm)
OFF (alarm)
Base circuit
(Energy supply to
the servo motor)
ON
OFF
Servo amplifier
display
0 r/min
Servo motor speed
CALM (AND malfunction)
(Note 2)
Note 1. The model speed command is a speed command generated in the servo amplifier for forced stop
deceleration of the servo motor.
2. This is for when the electronic dynamic brake is enabled with [Pr. PF06] while a certain servo motor is
used. If the servo motor speed is 5 r/min or higher, the electronic dynamic brake will operate continuously
for the time period set in [Pr. PF12].
Содержание MR-J4W2
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