Table of Contents
Advertisement
Skymetry WTU-14 Manual
Alarm on Return-to-Normal
The WTU-14 has the capability to notify you when an input (that
had previously gone into alarm) has returned to normal, that is,
returns to within the programmed alarm limits. When checked,
Alarm on Return-to-Normal initiates this notification.
Setting the Alarm Limits
Each analog input has a programmable Low and High Alarm limit.
When the input value goes beyond the programmed alarm limits for
the duration of the recognition time, the WTU-14 will go into alarm
and initiate the alarm notification process.
Programmable range
Table Low/High: -16,334 to 16,333
Default settings
Table Low value: 0
Table High value: 100
Alarm Recognition Time
The Recognition Time is the time required for a fault condition to
qualify as an alarm event. The sensor/channel must remain beyond
the programmed limits continuously for this entire period of time in
order to become an alarm. The range of values is 0–32,767 seconds.
Alarm Reset Time
The Reset Time is the time allowed for an acknowledged alarm's
fault condition to be corrected before the WTU-14 resets (reacti-
vates) the alarm and begins the message delivery process all over
again. The minimum reset time is 30 minutes, the maximum is
32,767 minutes.
Power Input
Power monitoring is a built-in function. The unit will go into alarm
when the power level drops below 11.75V for the programmed rec-
ognition time. In this state the Power LED will blink.
46
Advertisement
Table of Contents
