Mitsubishi Electric MELSERVO-J5 User Manual page 319

■Alarm cancellation
If an alarm occurs, detect ALM and turn off SON. After removing the cause of the alarm and deactivating the alarm, acquire
the absolute position data from the servo amplifier again with the following procedure.
Page 316 Sequence processing at power-on
ON
SON (Servo-on)
OFF
ON
RES (Reset)
OFF
ON
Base circuit
OFF
ON
ALM (Malfunction)
OFF
ON
RD (Ready)
OFF
Absolute position data
command transmission
Absolute position data
reception
Current position
Pulse train command
■During forced stop release
Releasing the forced stop turns on the base circuit after approximately 200 to 450 ms, then RD turns on 5 ms after the base
circuit turns on.
Acquire the current position before RD triggers the position command.
• When power is switched on in a forced stop status
ON
Power supply
OFF
ON
SON (Servo-on)
OFF
ON (Disabled)
EM2
(Forced stop 2)
OFF (Enabled)
ON
Base circuit
OFF
ON
RD (Ready)
OFF
Absolute position data
command transmission
Absolute position data reception
Current position
Pulse train command
100 ms
5 ms
Current position change
Absolute position
data
Acquire the absolute position data
within this period.
Approximately 200 to 450 ms
5 ms
Absolute position
Acquire the absolute position data
within this period.
7 ABSOLUTE POSITION DETECTION SYSTEM
7.4 Absolute position detection system via communication [A]
Current position change
data
7
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