USER MANUAL – Z-GPRS2 / Z-LOGGER
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Alarm on high works in the same way.
18.3.
Alarm on Low and Minimum
“Low” and “Minimum” alarms let you enable two different maximum alarms. A hysteresis can also
be set (shown as “Hist” in the illustration).
The following illustration shows how an alarm works with the relevant reset values. For example,
for an alarm on maximum (with Alarm Delay = 0 and Alarm Reset Time = 0):
18.4.
Alarm filter
A filter can be selected on the analog input, defined in seconds. The resulting effect is a filter on
both the alarm and reset, as illustrated below:
ALARM ON MINIMUM
ALARM ON MINIMUM
CLEARED
ALARM ON MAXIMUM
ALARM ON MAXIMUM CLEARED
ALARM ON MAXIMUM
ALARM ON MAXIMUM
CLEARED
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