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6. Operation
6.3. Monitoring Fieldbus Functions Through Monitoring Tab
272
Experion PKS Series A Fieldbus Interface Module User's Guide
R400
Honeywell
July
2010
Term Description
100%
length
portion
used
natural
length
portion
used
optimized
-
1
MUG
×
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
⎟⎟⎠
⎞
⎜⎜⎝
⎛
=
Latency Improvement
Factor (LIF)
(reduction factor)
Measures percent reduction in latency from start of input to end of output
100%
length
loop
natural
length
loop
optimized
-
1
LIF
×
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
⎟⎟⎠
⎞
⎜⎜⎝
⎛
=
Publication Gap
Availability
Improvement (PGAI)
Index based on square of gap sizes greater than 18 milliseconds.
100%
gaps)
pub
qualifying
optimized
of
lengths
of
squares
of
(sum
gaps)
pub
qualifying
natural
of
lengths
of
squares
of
(sum
-
1
PGAI
×
⎟
⎟
⎟
⎟
⎟
⎠
⎞
⎜
⎜
⎜
⎜
⎜
⎝
⎛
⎟⎟
⎟
⎟
⎟
⎠
⎞
⎜⎜
⎜
⎜
⎜
⎝
⎛
=
To configure link schedule optimization
Step Action
1
In the
Project
tab, click the plus sign for the FIM icon to expose its Links in
the tree.
2
Right-click the first LINK icon and select
Module Properties
to open the
LINK Block Parameters
form.
3
On the
Main
tab, click the down-arrow button in the
Link Schedule
Optimization
box and select
OPT
or
OPT_NOFORCE
for automatic link
schedule optimization. Otherwise, select
NO_OPT
to disable link schedule
optimization.
Refer to
Parameters for Link Configuration in Project Mode
for more
information about the selections.
4
Click the down arrow button in the
Sample Skew
box and select
SKEW
or
NOSKEW
for desired block execution action.
Refer to
Parameters for Link Configuration in Project Mode
for more
information about the selections.
5
Repeat Steps 2 to 4 for other Links, as applicable.
6
Click the
OK
button to close the form and save the settings.
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