Справочник Пользователя для Mitsubishi Electronics MR-MC241
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7. AUXILIARY FUNCTION
7.17.2 Alarm history data details
There are three types of history data, system startup command data and completion of system startup data,
and alarm history data. One history data is 64 bytes. The details of the data are shown in the following.
and alarm history data. One history data is 64 bytes. The details of the data are shown in the following.
(1) System startup command data
Offset Content
Offset Content
0000h
System startup time
0020h
Reserved
0001h
0021h
0002h
0022h
0003h
0023h
0004h
0024h
0005h
0025h
0006h
0026h
0007h
0027h
0008h
Free run counter
0028h
0009h
0029h
000Ah
002Ah
000Bh
002Bh
000Ch Control
cycle
002Ch
000Dh Event
code
002Dh
000Eh
Reserved
002Eh
000Fh
002Fh
0010h Communication
mode
0030h
0011h Control
mode
0031h
0012h
Reserved
0032h
0013h
0033h
0014h
0034h
0015h
0035h
0016h
0036h
0017h
0037h
0018h
0038h
0019h
0039h
001Ah
003Ah
001Bh
003Bh
001Ch
003Ch
001Dh
003Dh
001Eh
003Eh
001Fh
003Fh
Checksum
(a) System startup time
When the API library is used, the number of seconds passed since 0000hrs, January 1, 1970 at the
input time for system startup command is stored.
When the API library is not used, "0" is stored.
input time for system startup command is stored.
When the API library is not used, "0" is stored.
(b) Free-run counter
Stores the value of the free-run counter at the system startup command.