8 Code list
Code
Display, values
[default setting]
Description
Parameter codes Codes marked with * can be changed without having to re-initialize the positioner
P0
Status indication mode of the display showing basic information
The reading indicates the valve position or the angle of rotation in %
when the positioner is initialized.
The position of the lever in relation to the mid-axis is indicated in de-
grees (°) when is pressed and the positioner has not yet been ini-
tialized.
P1
*
Reading direction The reading direction of the display is turned by 180°.
P2
ATO / ATC
[ATO]
Parameter to adapt the positioner to how the control valve functions:
ATO – Air to open (valve CLOSED in fail-safe position)
ATC – Air to close (valve OPEN in fail-safe position)
P3
Pin position
25/[35]/50/
90°
The follower pin must be inserted into the correct pin position
according to the valve travel/angle of rotation (select as per travel
tables on page 13).
P4
Nominal range
[MAX]
Values with
default setting [35]:
e.g.
7.5/8.92/10.6/12.6/
15.0/17.8/21.2/
25.2/30 mm
The possible adjustment range can be selected in stages depending
on the selected pin position:
17
from 3.75 to 10.6
25
from 5.3 to 15.0
35
from 7.5 to 21.2
50
from 10.6 to 30.0
For
90°
Maximum range only, if
P3
= 90°
MAX
Maximum possible travel
P5
*
Characteristic
0 to 8
[1]
Characteristic selection: Characteristic 0, 1, 2 for globe valves,
Characteristic 0 to 8 with rotary actuators
(
P3
= 90°)
0 Linear
1 Equal percentage
2 Reverse equal percentage
3 SAMSON butterfly valve, linear
4 SAMSON butterfly valve, equal percentage
5 VETEC rotary plug valve, linear
6 VETEC rotary plug valve, equal percentage
7 Segmented ball valve, linear
8 Segmented ball valve, equal percentage
EB 8394 EN 43
Code list
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