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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Storage item Storage details Reading the monitor value
Md.14
Axis in which
the warning
occurred
Stores a number (Axis No.)
that indicates the axis that
encountered a warning.
Monitoring is carried out with a decimal display.
Monito
alue
Storage value
1: Axis 1
2: Axis 2
3: Axis 3
4: Axis 4
Md.15
Axis warning
No.
Stores an axis warning No.
Monitoring is carried out with a decimal display.
Monitor
value
For details of warning Nos.
(warning codes), refer to
Section 15.4 "List of warnings".
Warning No.
Md.52
Axis warning
occurrence
(Year:month)
Stores the time
(year:month) at which an
axis warning was detected.
(for the
QD75P
N/QD75D N only)
Monitoring is carried out with a hexadecimal display.
b15 b12 b8 b4 b0
80
6
0
Buffer memory (stored with BCD code)
Monitor value
800
6
0 to 9 0 to 9 0 to 1 0 to 9
00 to 99 (year) 00 to 12 (month)
0000100000000110
Md.16
Axis warning
occurrence
(Day:hour)
The following are stored.
•
QD75P N/QD75D N:
the time (day:hour) at which
an axis warning was
detected
•
QD75P /QD75D :
the time (hour) at which an
axis warning was detected
Monitoring is carried out with a hexadecimal display.
b15 b12 b8 b4 b0
Buffer memory (stored with BCD code)
Monitor value
821
5
0 to 2 0 to 3
0010100000010101
81
5
2
0 to 3 0 to 9
01 to 31 (day) 00 to 23 (hour)
*1: 00(not used) is stored for QD75P /QD75D .
*1
*1
Md.17
Axis warning
occurrence
(Minute:
second)
Stores the time (minute:
second) at which an axis
warning was detected.
Monitoring is carried out with a hexadecimal display.
0
b15 b12
100 10 0 100 00 0 111
b8 b4 b0
9074
Buffer memory (stored with BCD code)
0 to 5 0 to 9
00 to 59 (minute)
00 to 59 (second)
0 to 9
Monitor value
940
7
0 to 5
Warning history (Up to 16 records can be stored)
Md.18
Warning
history pointer
Indicates a pointer No. that
is next to the Pointer No.
assigned to the latest of the
existing records.
Monitoring is carried out with a decimal display.
Monitor value
Storage value
(Pointer number)
0 to 15
Md.19
No. of write
accesses to flash
ROM
Stores the number of write
accesses to the flash ROM
after the power is switched
ON.
The count is cleared to "0"
when the number of write
accesses reach 26 and an
error reset operation is
performed.
Monitoring is carried out with a decimal display.
Monitor
value
Storage value
0 to 26
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