6 – 29
6 Buffer memory
QE81WH4W
6.4 Common sections (Un
\
G3000 to Un
\
G4999)
6.4.1 Latest error code (Un
\
G3000)
The latest error code that is detected with this module will be stored.
*For the list of error codes, refer to section 9.1.
(1) Details of stored data
(a) Storage format
Data are stored as 16-bit signed binary in the buffer memory.
- Data range: 0000h (normal), 0001h to FFFFh (error code)
(b) Update timing
It will be updated at the time of error occurrence and error recovery.
6.4.2 Year of time of the error (Un
\
G3001), month and day of time of the error (Un
\
G3002),
hour and minute the error (Un
\
G3003), second and day of the week of time of the error (Un
\
G3004)
The year, month, day, hour, minute, and day of the week of time of the error will be stored.
(1) Details of stored data
(a) Storage format
As indicated below, data are stored as BCD code in the buffer memory.
Buffer memory address
Storage format
Un
\
G3001
e.g.) Year 2010
2010h
b15
b12 b11
b8 b7
b4 b3
b0
～
～
～
～
Year
Un
\
G3002
e.g.) July 30
0730h
Un
\
G3003
e.g.) 10:35
1035h
b15
b12 b11
b8 b7
b4 b3
b0
～
～
～
～
Month
Day
b15
b12 b11
b8 b7
b4 b3
b0
～
～
～
～
Hour
Minute
Un
\
G3004
e.g.) 48sec
Friday
4805h
(b) Update timing
It will be updated at the time of error occurrence and error recovery.
b15
b12 b11
b8 b7
b4 b3
b0
～
～
～
～
Second
0 fixed
曜日
0
日
1
月
2
火
3
水
4
木
5
金
6
土
Day of the week
0 Sunday
1 Monday
2 Tuesday
3 Wednesday
4 Thursday
5 Friday
6 Saturday
