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3. SIGNALS AND WIRING
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4) When power supplies of all servo amplifiers are turned off
0 r/min
Hot line alarm signal (from
the servo amplifier whose
power is turned off)
Hot line forced stop signal
(from the controller)
Power on duration
Stop with dynamic brake
No alarm Blank
ON
OFF
ON
OFF
Input power
supply
Servo amplifier
display
A
ll servo
amplifiers
Servo motor
speed
Signal
No signal
(b) When the hot line forced stop function is disabled
1) If an alarm that leads to a deceleration to a stop occurs in the second axis servo amplifier, and
then the power supply is off
No alarm
0 r/min
0 r/min
0 r/min
Input power
supply
Servo amplifier
display
The first axis
servo amplifier
Servo motor
speed
Hot line alarm signal (from
the servo amplifier in which
an alarm occurred)
Hot line forced stop signal
(from the controller)
Power on
duration
Deceleration
to a stop
Deceleration
to a stop
No alarm BlankAlarm No.
AA
No alarm
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Input power
supply
Servo amplifier
display
The second axis
servo amplifier
(the servo
amplifier in
which an alarm
occurred)
Servo motor
speed
Input power
supply
Servo amplifier
display
The third axis
servo amplifier
and later
Servo motor
speed
Power off of the servo amplifier
in which an alarm occurred
Alarm occurrence
Signal
No signal