100/180MM DISTRIBUTED GRAPHIC RECORDER: USER GUIDE
HA029324
Issue 11 Oct 14
Page 73
4.3.3 CHANNEL/ALARM CONFIGURATION (Cont.)
JOB NUMBER
Select the required job number.
CATEGORY
Select the required job to be carried out when the channel is in alarm (e.g. send email) See
section 4.7
for a description of job categories.
WHILE/ON
Allows the action of the alarm job to be chosen as
a. while active, while inactive or while unacknowledged for continuous jobs (e.g. speed/interval B), or,
b. on going active, on going inactive or on acknowledgement for ‘one-shot’ jobs (e.g. increment counter).
Figure 4.3.3g, below, shows the various actions graphically. For ‘While unacknowledged’ and ‘on ac-
knowledgement’ settings, two cases are shown, one where the alarm goes inactive before acknowledge-
ment; the other where the alarm is acknowledged whilst the alarm is still active. The coloured (shaded)
areas show the duration for which continuous jobs run; the down arrows show trigger points for ‘one-
shot’ jobs. See
section 3.1.4
for details on how to acknowledge alarms.
Alarm trigger
Active
Inactive
While active
While inactive
While unacknowledged
(latching alarm)
While unacknowledged
(non-latching alarm)
While unacknowledged
(non-latching alarm)
Job goes inactive even if
alarm not yet acknowledged
While unacknowledged
(latching alarm)
Job goes inactive even if
alarm still active
Alarm trigger
Active
Inactive
On going active
On going inactive
On acknowledgement
(latching alarm)
Acknowledge
On acknowledgement
(non-latching alarm)
On acknowledgement
(non-latching alarm)
Job triggers even if alarm
not yet acknowledged
On acknowledgement
(latching alarm)
Job triggers even if
alarm still active
Acknowledge
Acknowledge
Acknowledge
Figure 4.3.3g Graphical representation of job actions
ALARM MESSAGES
Alarm on/off and alarm acknowledge message printing on the chart can be enabled/disabled as a part of
‘
Group confi guration
’ described above. See
section 3.1.4
for details on how to acknowledge alarms.
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