ABB ACQ80, Firmware Manual

Page: 233 / 390

Parameters 233
AI1 percent
12.101 AI1 percent value
(see page
114
). 8
AI2 percent
12.102 AI2 percent value
(see page
114
). 9
Feedback data
storage
40.91 Feedback data storage
(see page
204
). 10
Other
Source selection (see
Terms and abbreviations
on
page
80
).
-
80.13 Flow function
Selects a function between the flow feedback
sources selected by parameters
80.11 Flow
feedback 1 source
and
80.12 Flow feedback 2
source
. The result of the function (for any
selection) is multiplied by parameter
80.14 Flow
calc gain
.
PQ curve
In1 Use
80.11 Flow feedback 1 source
directly as the
flow value.
0
In2 Use
80.12 Flow feedback 2 source
directly as the
flow value.
1
Reserved 2…7
sqrt(In1) Flow is calculated as a square root of a
differential pressure measurement:
The differential pressure value is selected with
80.11 Flow feedback 1 source
.
8
sqrt(In1-In2) Flow is calculated as a square root of two
measured absolute pressure measurements:
The pressure measurement sources are selected
with
80.11 Flow feedback 1 source
and
80.12 Flow
feedback 2 source
.
9
No. Name/Value Description Def/
FbEq16
k
Δ
P
k P
1
P
2
– ( )