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(14)Error history
Up to 15 errors occurred in the module are stored.
The following shows the contents stored in Error history 1 (address: 0A00
0A00
0A01
0A02
0A03
0A04
0A05
0A06
0A07
0A08
0A09
0A0A
0A0F
Item
Error code
Order of generation
First two digits of the
year/Last two digits of the
year
Month/Date
Hour/Minute
Second/00
CH1 Digital value
CH2 Digital value
CH3 Digital value
CH4 Digital value
*1
Those are values when the second error occurs at 13:30:50, September 1st, 2012.
*2
The clock information of the error that occurred is based on the clock information acquired from the CPU module of the
master station.
When an error has occurred before the clock information is acquired from the CPU module, the error time is not
recorded.
Error history 2 to Error history 15 (address: 0A10
history 1 (address: 0A00
For the error codes, refer to the following.
• Error Code List (
(a) Storage order
The latest error is stored in Error history 1 (address: 0A00
Errors that occurred in the past are stored in Error history 2 to Error history 15 (address: 0A10
reverse chronological order.
If 16 or more errors occur, errors are deleted from the oldest.
148
(address: 0A00
to
b15
H
H
First two digits of the year
H
Month
H
Hour
H
Second
H
H
H
H
H
H
to
H
The error code of the error that occurred is stored.
The order of error occurrence is stored.
*2
The items on the left are stored in BCD code.
*2
*2
*2
(Fixed)
H
The value of CH
occurs is stored.
to 0A0F
).
H
H
Page 119, Section 11.2)
to 0AEF
)
H
H
b8 b7
to
Error code
Order of generation
Last two digits of the year
Date
Minute
00
(Fixed)
H
CH1 Digital value
CH2 Digital value
CH3 Digital value
CH4 Digital value
System area
Contents
Digital value (RWw2 to RWw5) when an error
to 0AEF
) are stored in the same format as that of Error
H
H
to 0A0F
H
H
to 0A0F
).
H
H
b0
example
).
H
Storage
*1
-
2
H
2012
H
0901
H
1330
H
5000
H
-
to 0AEF
) in
H
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