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MELSEC-Q
10. POSITIONING DEBUGGING
10.2.3 History monitor
PURPOSE
Monitor the error, warning and start histories stored in the QD75 buffer memory
during operation monitor.
BASIC OPERATION
1. Perform the basic operation in Section 10.2.2 to display the operation monitor
window.
2. Click the "History" button on the operation monitor window.
3. Click the <<Error history>>/<<Warning history>>/<<Start history>> tab.
DISPLAY/SETTING SCREEN
[Error history monitor] [Warning history monitor]
DISPLAY/SETTING DATA
Item Description
Title bar Shows the I/O address of the QD75 being monitored.
No.
Represents the order of errors/warnings which occurred since power-on.
If more than 16 errors/warnings occurred, the older ones are deleted.
Axis
Shows the axis where the error/warning occurred.
Buffer memory address (newest error): 1293
Buffer memory address (newest warning): 1358
Code
Shows the error/warning code.
Buffer memory address (newest error): 1294
Buffer memory address (newest warning): 1359
Time
Shows the error/warning occurrence time in hour:minute:second format.
Buffer memory address (newest error): 1295, 1296
Buffer memory address (newest warning): 1360, 1361
Message Shows the error/warning name.