Mitsubishi Electric Melsec Q Series User Manual page 70

6 Buffer memory
6.3.26 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
(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.
b15
Un\G722
/Un\G728
b15
Un\G723
/Un\G729
b15
Un\G724
/Un\G730
b15
Un\G725
/Un\G731
Storage format
b12 b11 ～ b8 b7 ～ b4 b3
～
Year
b12 b11 ～ b8 b7 ～ b4 b3
～
Month
Day
b12 b11 ～ b8 b7 ～ b4 b3
～
Hour Minute
b12 b11 b8 b7 b4 b3
～ ～ ～
0 fixed
Second
6 – 28
～
b0
e.g.) Year 2010
2010h
～
b0
e.g.) July 30
0730h
～ b0
e.g.) 10:35
1035h
～ b0
e.g.) 48sec Friday
4805h
Day of the week 曜日
0 Sunday
0 日
1 Monday
1 月
2 Tuesday
2 火
3 Wednesday
3 水
4 Thursday
4 木
5 Friday
5 金
6 Saturday
6 土
QE81WH