  <4.Conguration>
29
IM 01E21A02-03EN
4.6.2 Alert Object
This product can report the following alarms or events.
Analog Alerts (Generated when a process value exceeds the threshold)
AI Block: Hi-Hi Alarm, Hi Alarm, Low Alarm, Low-Low Alarm
Discrete Alerts (Generated when an abnormal condition is detected)
Resource Block: Block Alarm, Write Alarm
Transducer block: Block alarm
AI, DI, IT, AR, PID and MAO Blocks: Block Alarm
Update Alerts (Generated when an important (restorable) parameter is updated)
Resource Block: Update Event
Transducer Block: Update Event
AI, DI, IT, AR, PID and MAO block: Update Event
Field diagnosis alert (Generated when an error is found in the device status.)
Resource block:
Checkalarm,errordetectionalarm,maintenancealarmandout-of-specicationalarm
The alert consists of elements listed in Table 4.7.
Table 4.7 Alert Object
Subindex
Parameter Name Description
Analog
Alert
Discrete
Alert
Update
Alert
Field
Diagnosis
Alert
1 1 1 1 Block Index
Index of block from which alert is
generated
2 2 2 2 AlertKey
ALERT_KEYcopiedfromthe
block
3 3 3 3 Standard Type Type of the alert
4 4 4 4 Mfr Type
AlertNameidentiedwith
manufacturerspecicDD
5 5 5 5 Message Type Reasonofalertnotication
6 6 6 6 Priority
Priority of the alarm.
By sending with priority
information being added in
communication frame when the
alert is issued, for example, the
alertisusedtoapplyalterto
ignorevaluesbelowthespecied
priority on the host side.
7 7 7 7 Time Stamp
Timewhenthisalertisrst
detected
8 8 8 Subcode Subcode indicating cause of alert
9 9 9 Value Value of referenced data
10 10 10 Relative Index Relative index of referenced data
8 Static Revision
Valueofthestaticrevision(ST_
REV)oftheblock
11 11 9 Unit Index Unit code of referenced data
11
Source Block
Index
Relative index of block causing
alarm generation
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