Mitsubishi Electric MELSEC iQ-R Series User Manual page 93

Section 5 BUFFER MEMORY
5.4.2 Year of time of the error (Un\G3001),
month and day of time of error (Un\G3002),
hour and minute of time of error (Un\G3003),
second and day of the week of time of error (Un\G3004),
millisecond of time of error (Un\G3005)
The year, month, day, hour, minute, second, day of the week and millisecond of time of the error will be stored.
(1) Details of stored data
(a) Storage format
As indicated below, Data is stored as BCD code in the buffer memory.
Buffer memory address
Un\G3001
Un\G3002
Un\G3003
Un\G3004
Un\G3005
(b) Update timing
It will be updated at the time of error occurrence and error recovery.
b15 b12 b11 ～ b8 b7 ～
～
Year
b15 b12 b11 ～ b8 b7 ～
～
Month
b15 b12 b11 ～ b8 b7 ～
～
Hour Minute
b15 b12 b11 ～ b8 b7 ～
～
Second 0 fixed
b15 b12 b11 ～ b8 b7 ～
～
0 fixed Millisecond
92
Storage format
～
b4 b3 b0
e.g.) Year 2010
2010h
～
b4 b3 b0
e.g.) July 30
0730h
Day
b4 b3 ～ b0
e.g.) 10:35
1035h
b4 b3 ～ b0
e.g.) 48 sec Friday
4805h
Day of the week
0 Sunday
1 Monday
2 Tuesday
3 Wednesday
4 Thursday
5 Friday
6 Saturday
b4 b3 ～ b0
e.g.) 172 millisecond
172h
RE81WH