Code List; Parameter Codes - Samson 3725 Mounting And Operating Instructions

Annex

11.2 Code list

11.2.1 Parameter codes

Code Display, values
[default setting]
Note: Codes marked by an asterisk (*) indicate that the positioner needs to be re-initialized after-
wards
P0 Status reading with
basic information
P1 Reading direction
P2* ATO/ATC
[ATO]
P3* Pin position
17/25/[35]/50/90°
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 mm
Nominal range
[MAX]
68
The reading indicates the valve position or angle of rotation in %
when the positioner is initialized.
On touching when the positioner is not initialized, the position
of the lever in relation to the mid-axis is displayed.
The reading direction of the display is turned by 180°.
Parameter to adapt the positioner to how the valve functions:
ATO: Air to open (valve CLOSED in fail-safe position),
ATC. Air to close (valve OPEN in fail-safe position)
Insert follower pin in the proper position depending on the valve
travel/opening angle (select according to travel tables on
page 20).
Firmware 1.03 and lower:
The possible adjustment range can be selected in stages depend-
ing on the selected pin position:
17 From 3.75 to
25 From 5.3 to
35 From 7.5 to
50 From 10.6 to
For 90°: Maximum range only, if P3 = 90°
MAX: Maximum possible travel
Firmware 1.10 and higher:
The possible adjustment range can be selected in steps of 0.5 mm
depending on the selected pin position:
17 From 3.5 to 11.0 mm , alternatively MAX (up to 18.0 mm)
25 From 5.0 to 16.0 mm , alternatively MAX (up to 25.0 mm)
35 From 7.0 to 22.0 mm , alternatively MAX (up to 35.0 mm)
50 From 10.0 to 32.0 mm , alternatively MAX (up to 50.0 mm)
For 90°: Maximum range only, if P3 = 90°
MAX: Maximum possible travel
Description
10.6 mm
15.0 mm
21.2 mm
30.0 mm
EB 8394 EN