Maretron Alarm Module ALM100 Manual de usuario descargar pdf (Pagina 260)

Low Alert Clear Point – If the alert is active and the parameter value rises

above the value in this field, the alert will become inactive.

Clear Delay – The parameter being monitored must rise above the Low Alert

Clear Point value for longer than the time in this field in order for the alert to

become inactive. The value is entered as minutes:seconds. If only one number is

entered, it will be interpreted as seconds.

In this example, the set point may be described in more than one unit, so

additional fields have been supplied so that the user can select the units of

depth. Changing the units of the set point will also change the units of the clear

point. The initial units displayed in these fields will correspond to those set in the

Units Dialog (see section 9.4.8.1).

10.3.6.4.3 Data Unavailable Alert

The Data Unavailable Alert can be used in conjunction with other alert types

when you need to know if a particular parameter is no longer being sent on the

network or is flagged as “not available” by the transmitting device. For instance,

you probably would want to use a Data Unavailable Alert for the Depth->Current

Depth parameter, since it would be advisable to know if the depth sounder were

to stop transmitting a depth reading or became unable to determine the depth

due to fouling or some other reason. On the other hand, if you were to set a

Data Unavailable Alert on Engine->Engine Water Temperature parameter, you

would then get an alert every time the ignition was switched off and the engine’s

ECU stopped transmitting data.

10.3.6.4.3.1 Trigger Configuration

Figure 90 – Trigger Configuration – Data Unavailable Alert

Accept Re-trigger Period – When you accept an alert, it will change to the

“Accepted” state, and annunciators that are sounding for that alert will stop

sounding. If the condition which caused the alert remains true after the amount of

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Maretron Alarm Module ALM100 Manual de usuario Pagina 260