Honeywell FlexLine SmartServo 954 - Low Element Usage; Low Element Usage Settings Overview

COMMISSIONING
Part No.: 4417340 Revision 1 Service Manual 139
954 SmartServo FlexLine
See Figure 7-24 .
Low element usage
NO EXCLUSION
(default)
RTDs and MPT
STATIC EXCLUSION
MPTs > = 2 elements
DYNAMIC EXCLUSION
MPTs > = 3 elements
Product level Product level Product level
>
lowest
element
<=
lowest
element
>
Tem pe
rature
element
exclude
zone
AND
> T 2 pos
>
Tem pe
rature
element
exclude
zone
AND
< = T 2 pos
<=
Tem pe
rature
element
exclude
zone
>
smoothing
level
<=
smoothing
level
AND
> T2 pos
<=
T 2 pos
AND
> T1 pos
<=
T 1 pos
all
submerged
elements
low-
element
behaviour
all
submerged
elements
with
T1
excluded
low-
element
behaviour
temperature
fail
all
submerged
elements
with
T1
excluded
Smoothing
(overrules
selected
temperature
calculation
method)
use T1
low-
element
behaviour
FAIL
LAST
VALID
USE
T1
FAIL
LAST
VALID
USE
T2
FAIL
LAST
VALID
USE
T1
T1 pos < Temperature element
exclude zone < T2 pos
Temperature element exclude
zone
de
f
ault
=
1
m
T2 pos < Smoothing level < T3 pos
Smoothing level
de
f
au
l
t
=
0
m
Figure 7-24 Low element usage settings overview