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9. DESCRIPTION OF ALARM ACTIONS
This chapter describes examples of alarm actions under the following conditions.
metI
1-mralA2-mralA
retemaraPtniopteSretemaraPtniopteS
noitcamralafonoitceriDNOITCA1MLA:50Emralatimil-hgiHNOITCA2MLA:60Emralatimil-woL
gnittesmralA1TNIOPTES:30E%082TNIOPTES:40E%51
siseretsyH1SISERETSYH:90E%012SISERETSYH:01E%5
yaledNOmralA1YALEDNO:11E.ces12YALEDFFO:21E.ces3
yaledFFOmralA1YALEDFFO:31E.ces22YALEDFFO:41E.ces4
mralafonoitpircseD
snoitca
tupniehterehwnoitidnocehtfisdnuosmralaehT
seunitnocmralatimil-hgihfoeromro%08sieulav
,sdnuosmralaehtretfA.dnoces1nahteromrof
nahtsselsieulavtupnierehwnoitidnocehtnehw
nahteromrofseunitnocmralatimil-hgihehtfo%07
.lamronotsnrutersutatseht,sdnoces2
tupniehterehwnoitidnocehtfisdnuosmralaehT
seunitnocmralatimil-wolfosselro%51sieulav
,sdnuosmralaehtretfA.sdnoces3nahteromrof
nahteromsieulavtupnierehwnoitidnocehtnehw
nahteromrofseunitnocmralatimil-wolehtfo%02
.lamronotsnrutersutatseht,sdnoces4
[%]
0
20
15
40
60
80
100
[1] [2]
[3] [4]
1 sec.
2 sec.
3 sec. 4 sec.
Alarm-2 hysteresis (5%)
Alarm-1 hysteresis (10%)
Alarm-1 setpoint (80%)
Alarm-2 setpoint (15%)
Elapsed time
1 sec.
Alarm-1 ON delay
Alarm-1 OFF delay
Alarm conditions
established
Alarm conditions
established
Normal conditions
established
Normal conditions
established
Low-limit alarm ON
Low-limit alarm OFF
Alarm-2 ON delay
Alarm-2 OFF delay
[1]: Alarm status does not continue for more than 1 second after the
alarm conditions are established at alarm-1.
[2]: Normal status does not continue for more than 2 seconds after the
normal conditions are established at alarm-1.
[3]: Alarm status does not continue for more than 3 seconds after the
alarm conditions are established at alarm-2.
[4]: Normal status does not continue for more than 4 seconds after the
normal conditions are established at alarm-2.
Alarm conditions established
Alarm conditions established
High-limit alarm ON
High-limit alarm OFF
Normal conditions established
Normal conditions established
Alarm-1 action
Alarm-2 action
Alarm
Normal
Normal
Normal Alarm Normal
(6 Seiten)
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