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MELSEC-
A
5 DATA USED FOR POSITIONING CONTROL
Storage item Storage details Reading the monitor value
Error history (up to 16 items can be stored)
Md.19
A
xis in which the
error occurred
The axis No. for which an
error was detected is stored.
Monitoring is carried out with a decimal.
Storage value
1: Axis 1
2: Axis 2
Monitor
value
Md.20
Axis error No.
The axis error No. is stored
Monitoring is carried out with a decimal.
Error No.
Monitor
value
Refer to section "14.3 List
of errors" for details on the
error Nos. (error codes).
Md.21
Axis error
occurrence time
(Hour: minute)
The axis error detection time
is stored.
(Software clock data created
by system in D75P2.)
Monitoring is carried out with a hexadecimal.
0
b15 b12
001010100110000
b8 b4 b0
5301
0 to 2
0 to 9 0 to 5
00 to 23
00 to 59
0 to 9
5
130
Buffer memory (stored with BCD code)
Monitor value
(hour) (minute)
Md.22
Axis error
occurrence time
(
Second: 100 ms
)
The axis error detection time
is stored.
(Software clock data created
by system in D75P2.)
Monitoring is carried out with a hexadecimal.
0
b15 b12
100100100000111
b8 b4 b0
9074
0 to 5 0 to 9
0
00 to 59 00 to 09
0 to 9
940
7
Buffer memory (stored with BCD code)
Monitor value
(second) (100 ms)
Md.23
Error history
pointer
The pointer No. following the
pointer No. where the latest
error history is stored is
indicated.
Monitoring is carried out with a decimal.
Storage value (Pointer No.)
0 to
15
Monitor
value