Mitsubishi Electric Melsec Q Series User Manual page 61

6 Buffer memory
6.3.10 Year of time of the max. current demand (Un \ G222),
month and day of time of the max. current demand (Un \ G223),
hour and minute of time of the max. current demand (Un \ G224),
second and day of the week of time of the max. current demand (Un \ G225),
year of time of the min. current demand (Un \ G228),
month and day of time of the min. current demand (Un \ G229),
hour and minute of time of the min. current demand (Un \ G230),
second and day of the week of time of the min. current demand (Un \ G231)
Stores year, month, day, hour, minute, and the day of the week of time of maximum value of electric
current demand (Un\G220, 221) and minimum value of electric current demand (Un\G226, 227) 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\G222
/Un\G228
b15
Un\G223
/Un\G229
b15
Un\G224
/Un\G230
b15
Un\G225
/Un\G231
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
～
Second 0 fixed
6 – 19
～ b0
e.g.) Year 2010
2010h
～ b0
e.g.) July 30
0730h
～ b0
e.g.) 10:35
1035h
～
b0
e.g.) 48 sec Friday
4805h
曜日
Day of the week
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