8.20 Monitor SERVOPACK Alarm History (ALM_HIST)
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8.20 Monitor SERVOPACK Alarm History (ALM_HIST)
The ALM_HIST command reads the alarm history that is stored in the SERVOPACK and stores it in Servo
Alarm Code (monitoring parameter IW

2D).
(1) Operating Procedure
(2) Holding and Aborting
The Command Pause bit (OB

090) and the Command Abort bit (OB

091) cannot be used.
(3) Related Parameters
(a) Setting Parameters
No. Execution Conditions Confirmation Method
1 Motion command execution has been completed. IW

08 is 0 and IB

090 is OFF.
Execute the
ALM_HIST
motion command.
• Set OW

08 to 20.
• The Command Pause (OB

090) cannot be used.
• The Command Abort (OB

091) cannot be used.
The alarm history stored in the SERVOPACK
is read and the codes are stored in the
monitoring parameters.
• IW

08 will be 20 during command
execution.
• IB

090 will be ON during command
execution.
Execution completed.
• IW

08 will be 20 and IB

090 will be
OFF.
Execute NOP motion command.
• Set OW

08 to 0.
Parameter Name Setting
OW

08 Motion Command
The alarm history is monitored when this parameter is set to 20.
OB

090 Command Pause This parameter is ignored for ALM_HIST command.
OB

091 Command Abort This parameter is ignored for ALM_HIST command.
OW

4F Servo Alarm Monitor
Number
Set the number of the alarm to be monitored.
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