GSI Group 890-00583, Руководство пользователя

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Chapter 7: Configuring a 4 - 20mA Zone Type
Setting the Alert Recognition Time
The alert recognition time is used to calculate the set period of time before an alert condition is recognized
and an alert set off. The zone must continuously be in an alert condition for a specific period of time before
an alert is recognized and set off.
1. In edit mode, under the General tab of the zone you are configuring, click on the edit field next to the
Recognition button.
2. Set the alert recognition time.
Figure 7-2 Graph displaying an example of an alert with an 8 second recognition time
TEMPERA TURE
RECOGNITION TIME = 8 SECONDS
TIME
(SECONDS)
HIGH ALERT
THRESHOLD
INDOOR
T° READING
LOW ALERT
THRESHOLD
5 10 15 20 25 30
5 SECONDS
ABOVE HIGH
THRESHOLD
12 SECONDS AB OVE
HIGH THRESHOLD
ALERT SET OFF
AFTER 8 SECONDS 8 SECONDS
ALERT
NO ALERT
HIGH T° SETTING
LOW T° SETTING
Setting the Alert Recovery Time
The alert recovery time is a set amount of time that a zone must remain within its normal range following
an alert before a new alert can be set off.
1. In edit mode, under the General tab of the zone you are configuring, click on the edit field next to the
Recovery button.
2. Set the alert recovery time.
895–00677 Agri-Alert 128 Touch 41