4 STARTUP
4.2 Startup
133
4
Stop
Turn off the servo-on command after the servo motor has stopped, and then switch the power off.
If any of the following situations occurs, the servo amplifier suspends the running of the servo motor and brings it to a stop.
Refer to the following for the servo motor with an electromagnetic brake.
Page 119 Servo motor with an electromagnetic brake
*1 Only a list of alarms and warnings is listed in chapter 8. Refer to the following for details of alarms and warnings.
MELSERVO-J4
Servo Amplifier Instruction Manual (Troubleshooting)
CC-Link IE Field Network connection
■
Network disconnection procedure
Always make the servo-off status before turning off the system power and disconnecting the servo amplifier from the network.
Otherwise, [AL. 8D] may occur. For the detection conditions of [AL. 8D], refer to [Pr. PN06].
■
Network configuration change
If the network configuration in the same network as the servo amplifier is changed, such as adding or disconnecting a slave
station, and adding a hub, all connected slave stations may be disconnected. Always make the servo-off status before
changing the network configuration. Otherwise, [AL. 8D] may occur or the servo amplifier may not be reconnected.
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Restrictions on CC-Link IE Field diagnosis
The following shows restrictions on CC-Link IE Field diagnosis.
■
Model code
The following shows the vendor code and model code.
Unit
Operation/command
Stopping condition
Controller
Servo-off command
The base circuit is shut off and the servo motor coasts.
Ready-off command
The base circuit is shut off and the dynamic brake operates to bring the servo motor to a stop.
Quick stop command
The servo motor decelerates to a stop with the command.
Servo amplifier
Alarm occurrence
The servo motor decelerates to a stop with the command. With some alarms, however, the dynamic
brake operates to bring the servo motor to a stop.
EM2 (Forced stop 2) off
The servo motor decelerates to a stop with the command. [AL. E6 Servo forced stop warning] occurs.
EM2 has the same function as EM1 in the torque mode.
STO (STO1, STO2) off
The base circuit is shut off and the dynamic brake operates to bring the servo motor to a stop.
Diagnosis item
Restrictions
Operation Test
Communication Test
Not compatible.
IP Communication Test
Not compatible.
Cable Test
Not compatible.
Link Start/Stop
Not compatible. If the link start/stop function is used, [AL. 8D] may occur.
Information
Confirmation/Set
Reserved Station
Function Enable
When the servo amplifier is set as a reserved station, [AL. 8D] will occur.
Enable/Disable Ignore
Station Errors
Even if the servo amplifier is set as a temporary error invalid station, [AL. 8D] may occur when the servo
amplifier is disconnected from the network. When setting the servo amplifier as a temporary error invalid
station, make the servo-off status.
Selected Station
Operation
Remote Operation
Not compatible.
Vendor code
Model code
Model
0002
1002
MR-J4-_GF
Summary of Contents for MELSERVO-J4 series
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