Specifications

11-2
(3) Operation at error occurrence
Operation Mode
Location of
Error
Description
Test operation
CC-Link
operation
Servo operation Stop Stop
Amplifier option unit data
communication
Continued Continued
1) Servo alarm
Option unit CC-Link
data communication
Continued Continued
Servo operation Stop Stop
Amplifier option unit
data communication
Stop Stop
2) Option unit
communicat
ion error
Option unit
CC-Link
data communication
Stop Stop
Servo operation Stop Stop
Amplifier option unit
data communication
Continued Continued
3) CC-Link
communicat
ion error
Option unit
CC-Link
data communication
Stop Stop
Servo operation Continued Stop
Amplifier option unit
data communication
Continued Continued
4) PLC
alarm/STOP
Option unit CC-Link
data communication
Stop Stop
Servo operation Continued Continued
Amplifier option unit
data communication
Continued Continued
5) Servo side
alarm
occurrence
Option unit
CC-Link
data communication
Continued Continued
1) Servo alarm
If a servo alarm/warning occurs, the motor is stopped by the dynamic brake operated. Refer to the
General-Purpose Servo MR-J2S-CP-S084 Specifications and Installation Guide, and remove the cause
of the alarm.
2) Option unit communication error
An option unit communication error is indicated by either of the following servo alarms.
At a servo alarm, the motor is stopped by the dynamic brake operated.
At error occurrence, receive data RX, RWw are all turned off or cleared to "0".
MR-J2S-CP-S084
Display
Description Cause of Occurrence
AL72
Option unit
communication
error
Option unit MR-J2S-T01 is not
connected.
AL76
Option unit ID
error
Servo amplifier connected the
option unit outside the support
range.
The causes and remedies at alarm occurrence are as indicated below. Make confirmation/check.
Display Name Description Cause of Occurrence Remedy
AL72
Option unit
communication
error
Option unit is not
connected.
Option unit is not connected.
Option unit board fault
Reconnect the option
unit correctly.
Change the option
unit.
AL76
Option unit ID
error
Servo amplifier
received the ID
outside the
support range.
Servo amplifier connected
the option unit outside the
support range.
Connect the option
unit supported by
the servo amplifier.
Change the option
unit.