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3. SIGNALS AND WIRING
3 - 25
(2) When the forced stop deceleration function is not enabled
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
ALM (Malfunction)
No alarm Alarm No.
Braking by the dynamic brake
Dynamic brake
+ Braking by the electromagnetic brake
Operation delay time of the electromagnetic brake
Alarm occurrence
(3) When SSCNET III/H communication brake occurs
The dynamic brake may operate depending on the communication shut-off status.
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
A
LM (Malfunction)
AANo alarm (d1 or E7)
SSCNET III/H communication
has broken.
(Note)
Model speed command 0
and equal to or less than
zero speed
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
POINT
To disable the function, set "0 _ _ _" in [Pr. PA04].
The timing chart that shows the servo motor condition when an alarm or SSCNET III/H communication brake
occurs is the same as section 3.7.1 (2).