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3. SIGNALS AND WIRING
(2) When the forced stop deceleration function is not enabled
Servo motor speed
Base circuit
(Energy supply to
the servo motor)
Servo amplifier
display
MBR
(Electromagnetic
brake interlock)
ALM (Malfunction)
(3) When network communication is shut-off
The dynamic brake may operate depending on the communication shut-off status.
Servo motor speed
Base circuit
(Energy supply to
the servo motor)
Servo amplifier
display
MBR
(Electromagnetic
brake interlock)
ALM (Malfunction)
Note. The model speed command is a speed command generated in the servo amplifier for forced stop deceleration
of the servo motor.
3.7.2 When you do not use the forced stop deceleration function
The timing chart that shows the servo motor condition when an alarm or network communication shut-off
occurs is the same as section 3.7.1 (2).
0 r/min
ON
OFF
No alarm
ON
OFF
ON (no alarm)
OFF (alarm)
0 r/min
ON
OFF
No alarm (d1)
ON
OFF
ON (no alarm)
OFF (alarm)
POINT
To disable the function, set "0 _ _ _" in [Pr. PA04].
Alarm occurrence
Braking by the dynamic brake
Alarm No.
Operation delay time of the electromagnetic brake
Network communication
is shut-off.
3 - 32
Dynamic brake
+ Braking by the electromagnetic brake
(Note)
Model speed command 0
and equal to or less than
zero speed
86
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