Types And Roles Of Monitor Data - Mitsubishi Electric QD75P1N User Manual

5 DATA USED FOR POSITIONING CONTROL

5.1.7 Types and roles of monitor data

Whether the system is in the test mode or not
History of data that
started an operation
History of all errors
The monitor data area in the buffer memory stores data relating to the operating state
of the positioning system, which are monitored as required while the positioning
system is operating.
The following data are available for monitoring.
 System monitoring:
Monitoring of the QD75 configuration and operation history (through the system
monitor data Md.1 through, Md.19
1: Md.50 through Md.52 are for the QD75P N/QD75D N only.
 Axis operation monitoring:
Monitoring of the current position and speed, and other data related to the
movements of axes (through the axis monitor data Md.20 through Md.48
2: The axis monitor data are refreshed every 0.9ms (QD75P N/QD75D N) or
1.8ms (QD75P /QD75D ). Note that " Md.21 Machine feed value",
" Md.22 Feedrate", " Md.28 Axis feedrate" and " Md.30 External
input/output signal" of QD75P /QD75D
" Md.23 Valid M code", is updated when the "M code ON signal [X4, X5, X6,
X7]" turns ON.
[1] Monitoring the system
Monitoring the positioning system operation history
Monitoring details
Start information
Start No.
Year:month
(QD75P N/QD75D N
Day:hour
(QD75P N/QD75D N
Start
Hour
(QD75P /QD75D )
Minute:second
Error upon starting
Pointer No. next to the pointer No.
where the latest history is stored
Axis in which the error occurred
Axis error No.
Year:month
(QD75P N/QD75D N
Day:hour
Axis error
(QD75P N/QD75D N
occurrence
Hour
(QD75P /QD75D )
Minute:second
Pointer No. next to the pointer No.
where the latest history is stored
Md.50 through Md.52
are refreshed every 56.8ms. Also,
Md.1
In test mode flag
Start information
Md.3
Start No.
Md.4
Md.50 Start
Md.5 Start
Start
Md.6
Error judgment
Md.7
Md.8 Start history pointer
Axis in which the error occurred
Md.9
Md.10 Axis error No.
Md.51 Axis error occurrence
Md.11 Axis error occurrence
Md.12 Axis error occurrence
Md.13 Error history pointer
5 - 12
MELSEC-Q
)
1
Corresponding item
(Year:month)
(Day:hour)
(Minute:second)
(Year:month)
(Day:hour)
(Minute:second)
2)