6 – 27
6 Buffer memory
QE81WH4W
6.3.27 Year of time of the max. power factor (Un
\
G722),
month and day of time of the max. power factor (Un
\
G723),
hour and minute of time of the max. power factor (Un
\
G724),
second and day of the week of time of the max. power factor (Un
\
G725),
year of time of the min. power factor (Un
\
G728),
month and day of time of the min. power factor (Un
\
G729),
hour and minute of time of the min. power factor (Un
\
G730),
second and day of the week of time of the min. power factor (Un
\
G731)
Stores year, month, day, hour, minute, and the day of the week of time of maximum power factor
(Un
\
G720, 721) and minimum power factor (Un
\
G726, 727) were updated.
(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
e.g.) Year 2010
Un
\
G722
/Un
\
G728
2010h
b15
b12 b11
b8 b7
b4 b3
b0
~
~
~
~
Year
Un
\
G723
/Un
\
G729
e.g.) July 30
0730h
b15
b12 b11
b8 b7
b4 b3
b0
~
~
~
~
Month
Day
Un
\
G724
/Un
\
G730
e.g.) 10:35
1035h
b15
b12 b11
b8 b7
b4 b3
b0
~
~
~
~
Hour
Minute
Un
\
G725
/Un
\
G731
e.g.) 48sec Friday
4805h
b15
b12 b11
b8 b7
b4 b3
b0
~
~
~
~
(b) Update timing
It will be updated every measuring cycle (250 ms) if it exceeds the current max. value or goes
under the current min. value.
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