MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D - Manual (Page 180)

5 - 92
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.
Monitor
value Storage value
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 15.2 "List of errors".
Md.11
Axis error
occurrence
(Hour)
Stores the time at which an
axis error was detected.
Monitoring is carried out with a hexadecimal display.
0
b15 b12
0 0 0 0 0 0 0 0 0 0 1 0 1 0 1
b8 b4 b0
0 1 5 0
Buffer memory (stored with BCD code)
0 to 2 0 to 3
00 to 23 (hour)
Monitor value
0 0 1 5
Not used
Md.12
Axis error
occurrence
(Minute:
second)
Stores the time at which an
axis error was detected.
Monitoring is carried out with a hexadecimal display.
0
b15 b12
1 0 0 1 0 0 1 0 0 0 0 0 1 1 1
b8 b4 b0
9 0 7 4
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
9 4 0 7
0 to 5
Error history
(U
p 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