In The Case Of Type B - Mitsubishi Electric MELSERVO-J2S Series Manual

４.３.２ In the Case of Type B
No. Startup Flow
1 Turn on power. ･The LED does not turn on.
･The LED blinks.
An alarm occurs.
2 Turn on servo-on An alarm occurs.
(SON).
A servo lock does not
occur. (The servomotor
shaft is free.)
3 See the MELSERVO-J4 Servo amplifier INSTRUCTION MANUAL TROUBLE SHOOTING issued by Mitsubishi Electric Corporation for any other troubles that
do not trigger an alarm.
* For what to do when an alarm occurs, see section 6.1.
Trouble Investigation
Connectors CN2 and CN3 on the
servo amplifier side and
connectors CN10A and CN10B on the
SSCNET conversion module side are
disconnected, but no improvement
is seen.
Connectors CN2 and CN3 of the
conversion cable of Renewal Kit
are disconnected, but no
improvement is seen.
Connectors CN2 and CN3 on the
conversion cable of Renewal Kit or
connectors CN10A and CN10B on the
SSCNET conversion module side are
disconnected, and an improvement
is seen.
Connector CN2 on the conversion
cable of Renewal Kit is
disconnected, and an improvement
is seen.
See the MELSERVO-J4 Servo amplifier INSTRUCTION MANUAL TROUBLE SHOOTING issued by Mitsubishi Electric
Corporation, and remove the cause.
AL.E6.1 1. Check if power is supplied to
Renewal Kit (terminals L11 and
L21).
2. Connectors CN2 and CN3 on the
servo amplifier side,
connectors CN10A and CN10B on
the SSCNET conversion module
side, and connectors CN2 and
CN3 on the conversion cable of
Renewal Kit are reconnected,
and an improvement is seen.
See the MELSERVO-J4 Servo amplifier INSTRUCTION MANUAL TROUBLE SHOOTING issued by Mitsubishi Electric
Corporation, and remove the cause.
1. Check if power is supplied to
Renewal Kit (terminals L1, L2,
L3, L11, and L21).
2. Use MR-Configurator (SETUP161E)
to check if the system is ready.
3. Use MR-Configurator (SETUP161E)
to check if servo-on (SON) is on.
4. Use MR-Configurator (SETUP161E)
to check if reset (RES) is on.
Possible Cause
1. Defective power source/voltage
2. Defective servo amplifier
1. Short circuit in power supply
to the conversion cable wiring
of Renewal Kit
2. Defective conversion cable of
Renewal Kit
Short circuit in power supply to
the cable wiring of currently used
CN2 and CN3 or CN10A and CN10B on
the SSCNET conversion module
1. Short circuit in power supply to
the cable wiring of the
currently used encoder
2. Defective encoder
1. 24V DC power is not supplied to
the power input signal source
(DICOM) for the digital
interface.
2. 24V DC power is not supplied
because of an incorrect
connection of a connector.
1. Servo-on (SON) is not on
(defective connection or
incorrect connection of a
connector).
2. 24V DC power is not supplied to
the power input signal source
(DICOM) for the digital
interface.
3. Reset (RES) is on or
short-circuited.
４-９
4 － 9
Countermeasures
1. Check power supply voltage.
2. Replace the servo amplifier.
Replace the conversion cable.
Replace the currently used cable.
1. Replace the currently used
encoder cable.
2. Replace the currently used
encoder.
1. Supply 24V DC power correctly.
2. Connect the connectors
correctly.
1. Connect the connectors
correctly.
2. Supply 24V DC power correctly.
3. Turn off reset (RES).