Flowserve Logix 3800zb User Manual

Logix™ 3800 Digital Positioner FCD AIIOM001030_EN 02/23
flowserve.com 49
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APPENDIX C – PROGRAMMED FLOW CHARACTERIZATION OPTIONS
The characterization menu allows the user to change the characterization of the command. This allows a better match between
the input command and the actual fluid flow through the valve. This feature is typically used with valves that have non-linear flow
characteristics. The positioner makes a correction by applying an adjustment to the input command according to a
characterization curve. The table below shows the available characterization curve options. Each point of the Custom curve can
be adjusted using the ValveSight DTM.
Command
Input
Final Command
Characterization
DIP set to
“Linear”
Characterization DIP set to “Other”
Linear
MaxFlo
Linear
MaxFlo
=%
Valdisk
Linear
Valdisk
=%
Shear-
Stream
Linear
Shear-
Stream
=%
Custom
(Default)
(Linear =%)
0.0
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
5.0
5.00
6.50
1.00
13.00
4.00
25.00
8.00
0.62
10.0
10.00
11.60
2.00
20.00
6.00
35.00
14.00
1.35
15.0
15.00
16.20
3.00
26.25
7.80
44.00
17.00
2.22
20.0
20.00
20.50
4.40
32.10
9.30
50.20
21.00
3.25
25.0
25.00
24.60
5.80
37.50
11.50
55.50
24.00
4.47
30.0
30.00
28.50
7.40
42.60
14.00
60.20
27.50
5.91
35.0
35.00
32.40
9.30
47.40
16.50
64.30
31.50
7.63
40.0
40.00
36.20
11.20
51.80
19.30
68.00
35.50
9.66
45.0
45.00
40.00
13.50
56.00
22.50
71.50
39.50
12.07
50.0
50.00
43.80
16.10
60.00
26.00
74.70
43.90
14.92
55.0
55.00
47.60
19.10
63.60
30.00
77.70
48.10
18.31
60.0
60.00
51.50
22.40
67.20
34.70
80.50
52.80
22.32
65.0
65.00
55.50
26.20
70.60
39.60
83.20
57.40
27.08
70.0
70.00
59.50
30.60
73.90
45.10
85.90
62.40
32.71
75.0
75.00
63.80
35.70
77.20
51.30
88.40
67.50
39.40
80.0
80.00
68.20
41.70
81.30
57.80
90.80
72.90
47.32
85.0
85.00
73.00
48.90
84.00
64.80
93.20
78.60
56.71
90.0
90.00
78.40
57.70
87.80
72.50
95.50
84.70
67.84
95.0
95.00
85.00
69.20
92.10
81.30
97.80
91.20
81.03
100.0
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00

Flowserve Logix 3800zb Specifications

General

Brand	Flowserve
Model	Logix 3800zb
Category	Industrial Equipment
Language	English