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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Storage item Storage details Reading the monitor value
Md.9
Axis in which
the error
occurred
Stores a number (Axis No.)
that indicates the axis that
encountered an error.
Monitoring is carried out with a decimal display.
Monito
alue
Storage valu
1: Axis 1
2: Axis 2
3: Axis 3
4: Axis 4
Md.10
Axis error No.
Stores an axis error No.
Monitoring is carried out with a decimal display.
Monitor
value
Error No.
For details on the error Nos. (error codes),
refer to Section 15.3 "List of errors".
Md.51
Axis error
occurrence
(Year:month)
Stores the time
(year:month) at which an
axis error 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.11
Axis error
occurrence
(Day:hour)
The following are stored.
•
QD75P N/QD75D N:
the time (day:hour) at
which an axis error was
detected
•
QD75P /QD75D :
the time (hour) at which an
axis error 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.12
Axis error
occurrence
(Minute:
second)
Stores the time (minute:
second) at which an axis
error was detected.
Monitoring is carried out with a hexadecimal display.
0
b15 b12
100 100 100 0001 11
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
9407
0 to 5
Error history (Up to 16 records can be stored)
Md.13
Error 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
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