Mitsubishi Electric Melsec Q Series User Manual page 64

6 Buffer memory
6.3.15 Year of time of the max. voltage (Un \ G322),
month and day of time of the max. voltage (Un \ G323),
hour and minute of time of the max. voltage (Un \ G324),
second and day of the week of time of the max. voltage (Un \ G325),
year of time of the min. voltage (Un \ G328),
month and day of time of the min. voltage (Un \ G329),
hour and minute of time of the min. voltage (Un \ G330),
second and day of the week of time of the min. voltage (Un \ G331)
Stores year, month, day, hour, minute, and the day of the week of time of maximum voltage (Un\G320, 321)
and minimum voltage (Un\G326, 327) 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 (250ms) and if it exceeds the max. value or goes under
the min. value.
b15
Un\G322
/Un\G328
b15
Un\G323
/Un\G329
b15
Un\G324
/Un\G330
b15
Un\G325
/Un\G331
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 – 22
～
b0
e.g.) Year 2010
2010h
～
b0
e.g.) July 30
0730h
～ b0
e.g.) 10:35
1035h
～ b0
e.g.) 48sec Firday
4805h
曜日
Day of the week
0 日
0 Sunday
1 月
1 Monday
2 2 Tuesday 火
3 Wednesday
3 水
4 Thursday
4 木
5 Friday
5 金
6 Saturday
6 土
QE81WH