Samson 3767 Mounting And Operating Instructions page 43

Adjusting the switching point
Move the valve to the switching point and
adjust the tag by turning the adjustment
screw (53) so that the switching point is
reached and indicated by the LED on the
switching amplifier.
To guarantee the switching under all ambient
conditions, adjust the switching point ap-
prox. 2 % before the mechanical stop
(OPEN/CLOSED).
NOTICE
After tuning the positioner, make sure
that the vent plug of the housing cov-
er faces downward when the valve is
installed.
Table 8: Direct attachment to Type 3277 Actuator (Fig. 3)
Valve position
Closed
Open
Table 9: Right or left attachment according to NAMUR (Fig. 6) and attachment to rotary actuators (Fig. 8)
Direction Valve
of action position
>> CLOSED
OPEN
<> CLOSED
OPEN
EB 8355-2 EN
Left attachment
Tag outside inductive Tag inside inductive
field
B
A
Actuator stem extends (FA)
Switch
Tag
Outside inductive
Inside inductive field
field
B
A
A
B
Switch
Tag outside inductive
field field
A
B
Actuator stem retracts (FE)
Outside inductive
field
A
B
B
A
Operation
Right attachment
Tag inside inductive
field
A B
B A
Switch
Tag
Inside inductive field
A B
B A
B A
A B
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