79
4. Records of Alarming Event
Acuvim II series meter has built in alarm logging capabilities. 16 entries can
be recorded in total. The record sequence of these entries do not depend
on the sequence of the 16 alarm channels. The meter begins logging alarm
status starting from the 1
st
record location to the last one. Alarm logs are being
recorded in a "cycle" fashion which means the latest event will overwrite the
oldest record. When over/under limit parameters return to normal, its value and
time stamp will be recorded as well. Therefore, users can determine the over/
under limit duration by checking the time dierence.
Here is the 1
st
group of records. Other groups of records have the same format.
Table 4-2 Alarming status of the 1
st
group of record
Address Parameter Range
42A9H First group: alarming status 0~65535
42AAH First group: parameter code 0~79
42ABH First group: over/under limit or reset value Related with parameters
42ACH~42B2H
First group:
occur time: yyyy:mm:dd:hh:mm:ss:ms
time
“Alarming status” indicates information of current alarm status. It is a 16-bit
unsigned integer. Parameter code is stored in the higher 8 bits. Bit1 indicates
whether logic "AND" is enabled or not, 1 means enabled and 0 means not. Bit0
indicates whether alarming has occured or recovered, 1 means occurred and 0
means recovered.Undened bits are 0.
“Parameter code” species the monitored parameter.
“Value” shows the recorded value of the selected parameter when an alarm is
triggered and when it recovers.
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