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Chapter 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.
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
: Valid for the range from axis 1 to axis 2
in the QD77MS2, from axis 1 to axis 4
in the QD77MS4.
Md.10
Axis error No.
Stores an axis error No.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor value
Error No.
For details on the error Nos.
(Error codes),
refer to Section 16.5 "List of
errors".
Md.57
Servo alarm
Stores the LED display details of
servo amplifier detection alarm.
("0" is stored other than when a
servo error occurs.)
Refresh cycle: Immediate
Monitoring is carried out with a hexadecimal display.
When SSCNET setting is SSCNET /H
0
Monitor
value
Servo alarm code
00
Servo alarm code
Monitor
value
When SSCNET setting is SSCNET
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
100 100 100 000 111
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
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.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor value
Storage value
(Pointer number)
0 to 15
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