Ariens Path-Pro 136E User Manual Page 57

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Alarm Limits
You can set up alarm bands with the two available alarms. Each of the two
alarms has a high and a low limit point, indicated by the
‘I”
or
“H”
designation.
You specify in the Operating Data where you want Al
L,
Al H,
A2L,
and
A2H.
The first two examples below show one band inside the other. However, you
could use Al L-Al H as a band below both set point, and
A2L-A2H.
Temp
New SP
SP
I
.
.
........................................................................................................
........
.
.....
.
................................................
.............................................................
.
.
...
. .
.
. .
.
.
.
. .
. .
.
. .
.
.
. .
........
.
.
. .
. .
.
. .
...
. .
.
.
. .
....
...
. . .
......
.............................................................
. .
...
.
.....
......
......
...
.....
.
....
...
....
.
.........
.
.........................................................................................................................
.............................................................
............................................................
.
...........................................................
...........................................................
.
Temp
SP
Actual
Time
A2H
AlH
AIL
A2L
.....................................................
........................................
.......................................
..................................................................
.........................................................
::::::~::::~~:::::::::::::::::::::::::::::
Time
...................................
..................................
...................................
..................................
A2H
AlH
New SF
AlL
Figure 34
-
Alarm limits for
Alarms 1 and 2
with “process”
type alarm.
(ALlYPi
=P,
ALTYP2zP)
Figure 35
-
Alarm limits
f6r
Alarms 1 and 2
with “deviation”
type alarm.
(ALTYP=D,
ALTYP=D)
A2L’
How To Use
me
Alams,
Chapter 7
WATLOW
Series
920
U&s
hbmal
57
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