Mitsubishi Electric MELSEC-Q Series - Page 216

5 - 96
Chapter 5 Data Used for Positioning Control
Storage item Storage details Reading the monitor value
Error history (Up to 16 records can be stored)
[Md.9]
Axis in which
the error
occurred
Stores an axis No. in which an
error occurred.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor
value
Storage value
1: Axis 1 5: Axis 5 9: Axis 9 13 : Axis 13
2: Axis 2 6: Axis 6 10: Axis 10 14: Axis 14
3: Axis 3 7: Axis 7 11: Axis 11 15: Axis 15
4: Axis 4 8: Axis 8 12: Axis 12 16: Axis 16
[Md.10]
Axis error No.
Stores an axis error No.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor value
Axis error No.
For details of error codes,
refer to Section 16.4
"List of errors".
[Md.57]
Servo alarm
Stores the details of servo
amplifier detection alarm. ("0" is
stored other than when a servo
alarm occurs.)
Refresh cycle: Immediate
Monitoring is carried out with a hexadecimal display.
Monito
r
v
alue
Servo alarm code
[Md.55]
Axis error
occurrence
(Year: month)
Stores the time (Year: month) at
which an axis error was detected.
Refresh cycle: Immediate
Monitoring is carried out with a hexadecimal display.
0
b15 b12
000100000000110
b8 b4 b0
8
060
Buffer memory (stored with BCD code)
0 to 9 0 to 9 0 to 1
01 to 12 (month)
0 to 9
Monitor value
8006
00 to 99 (year)
[Md.11]
Axis error
occurrence
(Day: hour)
Stores the time (Day: hour) at
which an axis error was detected.
Refresh cycle: Immediate
Monitoring is carried out with a hexadecimal display.
0
b15 b12
010100000010101
b8 b4 b0
8
152
Buffer memory (stored with BCD code)
0 to 2 0 to 9
00 to 23 (hour)
Monitor value
8
215
0 to 3 0 to 9
01 to 31 (day)
[Md.12]
Axis error
occurrence
(Minute:
second)
Stores the time (Minute: second)
at which an axis error was
detected.
Refresh cycle: Immediate
Monitoring is carried out with a hexadecimal display.
0
b15 b12
100 100 100 00 0 1 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
[Md.13]
Error history
pointer
Indicates a pointer No. that is
next to the pointer No. assigned
to the latest of the existing
records.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor value
Storage value
(Pointer number)
0 to 15