Alm_Hist (Monitor Alarm History) - YASKAWA SVC User Manual

4.2 Motion Command Details

4.2.19 ALM_HIST (Monitor Alarm History)

4.2.19 ALM_HIST (Monitor Alarm History)
The ALM_HIST command reads the alarm history stored in the SERVOPACK and stores it in
the IW2D monitor parameter (SERVOPACK Alarm Code).
Execution and Operating Procedures
1.
Make sure that the following condition is met.
2.
Set the OW4F setting parameter (SERVOPACK Alarm Monitor Number).
3.
Set the OW08 setting parameter (Motion Commands) to 20 to execute the
ALM_HIST motion command.
The alarm history that is stored in the SERVOPACK is read and stored in IW2D.
The IW08 monitor parameter (Motion Command Response Code) is 20 during execution of this
command.
During command processing, bit 0 (Command Execution Flag) in the IW09 monitor parameter
will change to 1 (Processing). When processing is completed, this bit will change to 0 (Completed).
4.
Set OW08 to 0 to execute the NOP motion command.
This concludes the alarm history monitor operation.
Holding and Canceling Commands
Bit 0 (Hold Command) and bit 1 (Cancel Command) in the OW09 setting parameter can-
not be used to stop the axis.
Related Parameters
The parameters that are related to this command are listed in the following table.
 Setting Parameters
Register
Address

OW

OW
Bit 0

OW
Bit 1

OW
4-82
No. Execution Condition
Motion command execution for the target axis
1
must be completed.*
*
Before you change to this command during the execution of another command, you must check whether
the command can be changed and how operation changes when the command is changed. Refer to the
following section for details on changing from another command.
4.4 Changing the Command on page 4-137
Name
08 Motion Commands
09
Hold Command
09
Cancel Command
SERVOPACK Alarm
4F
Monitor Number
Set this parameter to 20 (ALM_HIST) to execute the alarm history moni-
tor operation.
This bit is ignored for the ALM_HIST command.
This bit is ignored for the ALM_HIST command.
Set the number of the alarm to monitor.
Confirmation Method
IW08 must be 0 and bit 0 in
IW09 must be 0.
Setting Details