4
The “SIDE“ position applies for actuators
with a loading pressure connection at the
side, e.g. Type 3271-5.
4
The “BACK“ position applies for actua
-
tors with a loading pressure connection
at the back, e.g. in Type 3277-5.
The “SIDE” restriction position always applies
for actuators from other manufacturers.
Overview · Position of the volume restriction*
Signal
pressure
Transit
time
< 1 s
≥
1 s
Connection at the side MIN SIDE MAX SIDE
Connection at the back MIN BACK MAX BACK
* Intermediate positions are not permitted.
Note! The positioner needs to be initialized
again after the position of the restriction has
been changed.
5.2 Adapting the display
The data representation on the positioner
display can be turned by 180°.
If the displayed data appear upside down,
proceed as follows:
Turn the button until Code
P1
appears,
press button to confirm the selected
code.
P1
blinks.
Reading direction for right
attachment of pneumatic
connections
Turn button until the display is adjusted
to the desired direction, then confirm rea
-
ding direction by pressing the button.
5.3 Determining the fail-safe
position
Set the fail-safe position of the control valve
over Code
P2
to ATO (Air to open) or
ATC
(Air to close).
Default
ATO
Turn until Code
P2
appears.
Press to confirm
P2
.
P2
blinks.
Turn until the required fail-safe position
appears.
Press to confirm the setting.
5.4 Setting other parameters
The following table lists all the parameter
codes and their default settings.
If you want to change the default setting of a
parameter, proceed in the same manner as
previously described.
More details concerning the parameter
codes can be found in section 6.
30 EB 8384-1 EN
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