YASKAWA MP Series User Manual

6.2 Motion Command Details
6.2.19 Alarm History Monitor (ALM_HIST)
6-74
6.2.19 Alarm History Monitor (ALM_HIST)
The ALM_HIST command reads the alarm history stored in the SERVOPACK and stores it in the Servo Driver Alarm
Code (monitor parameter IW2D).
( 1 ) Executing/Operating Procedure
1. Check to see if all the following conditions are satisfied.
2. Set OW08 to 20 to execute the ALM_HIST motion command.
The ALM_HIST command will read the alarm or warning history that is stored in the SERVOPACK and store it
in Servo
Driver Alarm Code (monitoring parameter IW2D).
IW08 will be 20 during command execution.
IW09, bit 0 will turn ON during the command processing and will turn OFF when the command processing
has been completed.
3. Set OW08 to 0 to execute the NOP motion command and then complete the monitoring operation.
( 2 ) Holding and Aborting
The Holds a Command bit (OW09, bit 0) and the Interrupt a Command bit (OW09, bit 1) cannot be used.
( 3 ) Related Parameters
[ a ] Setting Parameters
[ b ] Monitoring Parameters
No. Execution Conditions Confirmation Method
1 Motion command execution has been completed. IW08 is 0 and IW09, bit 0 is OFF.
Parameter Name Setting
OW08 Motion Command
The alarm history is monitored when this parameter is set to 20.
OW09
Bit 0
Holds a Command
This parameter is ignored for ALM_HIST command.
OW09
Bit 1
Interrupt a Command
This parameter is ignored for ALM_HIST command.
OW4F
Servo Driver Alarm
Monitor No.
Sets the number of the alarm to be monitored.
Parameter Name Monitor Contents
IL02 Warning
Stores the most current warning.
IL04 Alarm
Stores the most current alarm.
IW08
Motion Command
Response Code
Indicates the motion command that is being executed.
The response code will be 20 during ALM_HIST command execution.
IW09
Bit 0
Command Execution
Flag
Turns ON during ALM_HIST command execution and turns OFF when execution has
been completed.
IW09
Bit 1
Command Hold Com-
pleted
Always OFF for ALM_HIST command.
IW09
Bit 3
Command Error
Completed Status
Turns ON if an error occurs during ALM_HIST command execution.
Turns OFF when another command is executed.
IW09
Bit 8
Command Execution
Completed
Turns ON when ALM_HIST command execution has been completed.
IW2D
Servo Driver Alarm
Code
Stores the SERVOPACK alarm code that was read.

YASKAWA MP Series Specifications

General

Brand	YASKAWA
Model	MP Series
Category	Controller
Language	English