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7. AUXILIARY FUNCTION
(2) System Command/Status Data
(a) System Commands
Address Name
Setting
range
Remarks
0444 Alarm history read page
number
1 to 512 Sets the page number for the alarm history area for alarm history to be read
to.
Data for 4 events of alarm history are read for each page.
Example. When the number of valid events is 1250 events
1250/4 = 312
2
In other words, pages 1 to 313 are read.
0445
0446 Alarm history initialization
ID
E15Ah When initializing the alarm history, set "E15Ah"
Refer to Section 7.17.5 for details.
0447
0448 System startup time 00000000
00000000h
to
FFFFFFFF
FFFFFFFFh
When the API library sscSystemStart function is used, the host controller
stores the time of system startup.
When the API library is not used, perform system startup after storing the
number of seconds since 0000hrs, January 1, 1970.
Refer to Section 4.6 for details.
:
044F
(b) System status
Address Name Output limits Remarks
04B4 Alarm history read page
number
1 to 512 Stores the page number that was read.
The details of the settings for the alarm history read page number of the
system command are stored.
04B5
04B6 Number of valid alarm
history events
0 to 2047 Stores the number of valid events stored in current alarm history. When the
number of valid events reaches 2047 events the number of valid events
becomes 2047.
04B7