Mitsubishi QD75P1N - Types and Roles of Monitor Data

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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
5.1.7 Types and roles of monitor data
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
,
Md.50
through
Md.52
1)
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)
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 are refreshed every 56.8ms. Also, "
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 Corresponding item
Whether the system is in the test mode or not
Md.1
In test mode flag
Start information
Md.3
Start information
Start No.
Md.4
Start No.
Year:month
(QD75P
N/QD75D N
Md
.
50
Start (Year:month)
Day:hour
(QD75P
N/QD75D N
Hour
(QD75P
/QD75D )
Md.5
Start (Day:hour)
Start
Minute:second
Md.6
Start (Minute:second)
Error upon starting
Md.7
Error judgment
History of data that
started an operation
Pointer No. next to the pointer No.
where the latest history is stored
Md.8
Start history pointer
Axis in which the error occurred
Md.9
Axis in which the error occurred
Axis error No.
Md.10
Axis error No.
Year:month
(QD75P
N/QD75D N
Md
.
51
Axis error occurrence (Year:month)
Day:hour
(QD75P
N/QD75D N
Hour
(QD75P
/QD75D )
Md.11
Axis error occurrence (Day:hour)
Axis error
occurrence
Minute:second
Md.12
Axis error occurrence (Minute:second)
History of all errors
Pointer No. next to the pointer No.
where the latest history is stored
Md.13
Error history pointer