12.4 List of Causes for Command Error Occurrence
12-31
* When Automatic Updating of Parameter was enabled for fixed parameters, and the settings of Filter Time Constant,
Acceleration Rate/Time Constant, or Deceleration Rate/Time Constant were changed at the time a move command
was set.
26
Change Position Loop
Integral Time Constant
(KIS)
An alarm is occurring. −
Asynchronous communication status
A: Servo Driver Synchronization
Communications Error
SERVOPACK parameter writing was not com-
pleted within the specified time.
A: Servo Driver Command Timeout
Error
Warning A.94 or A.95 occurred in the SERVO-
PACK.
W: Servo Driver Error
27
Stored Parameter Write
(PPRM_WR)
An alarm is occurring. −
Asynchronous communication status
A: Servo Driver Synchronization
Communications Error
SERVOPACK parameter reading was not com-
pleted within the specified time.
A: Servo Driver Command Timeout
Error
Warning A.94 or A.95 occurred in the SERVO-
PACK.
W: Servo Driver Error
SERVOPACK parameter number or size is outside
the setting range.
W: Set Parameter Error
39
Multiturn Limit Setting
(MLTTRN_SET)
The command was used for a SERVOPACK that
doesn’t support it.
−
Executed while servo was ON. −
Asynchronous communication status
A: Servo Driver Synchronization
Communications Error
The command to the SERVOPACK was not com-
pleted within the specified time.
A: Servo Driver Command Timeout
Error
Others
Automatic Parameter
Updating when Move
Command Starts
*
An alarm is occurring. −
Asynchronous communication status
A: Servo Driver Synchronization
Communications Error
SERVOPACK parameter writing was not com-
pleted within the specified time.
A: Servo Driver Command Timeout
Error
Warning A.94 or A.95 occurred in the SERVO-
PACK.
W: Servo Driver Error
The distribution was not completed (DEN = OFF). −
(cont’d)
Motion Command Code Cause of Command Error Occurrence
Warning (W:) and Alarm (A:) That
Occur at Command Error Occurrence
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