4.2 CPU Module Specifications
4.2.7 System Register Specifications
4-55
Alarm History Information
The data in these registers provide alarm history information for the system registers.
Register Configuration
Details
The registers for the alarm history entries are structured as shown below. This example shows
the system register addresses for alarm history entry 1.
Name Register Address Remarks
Current Alarm SW16200 Cleared when the power is turned ON.
Alarm History Entries SW16201 Alarm history entries
Alarm Clear SW16202
1: Alarm cleared
2: Current alarm and history cleared
Alarm History
SW16203 to SW16218
Alarm History Entry
1
Refer to the following section for
details.
Details on page 4-55
SW16219 to SW16234
Alarm History Entry
2
SW17787 to SW17802
Alarm History Entry
100
Reserved for system. SW17803 to SW17999 −
Register Address Remarks
Register Address
Example
SW + 0 SW16203
SW + 1 Alarm Code SW16204
SW + 2
Alarm Detail Format
1: Operation error
2: I/O error
3: Other error
SW16205
SW + 3 Year when alarm occurred SW16206
SW + 4 Month when alarm occurred SW16207
SW + 5 Day when alarm occurred SW16208
SW + 6 Hour when alarm occurred SW16209
SW + 7 Minutes when alarm occurred SW16210
SW + 8 Seconds when alarm occurred SW16211
SW + 9
Alarm details
The information depends on the alarm details format.
Alarm Details on page 4-56
SW16212
SW + 10 SW16213
SW + 11 SW16214
SW + 12 SW16215
SW + 13 SW16216
SW + 14 Reserved for system. SW16217
SW + 15 Reserved for system. SW16218
01 to 09: Gives the slot number where the
Module in which the alarm
occurred is mounted.
1 to 4: Gives the unit number of the Module
in which the alarm occurred is
mounted.
1 to 7: Gives the Rack number where the
Module in which the alarm occurred
is mounted.