Samson 3767, Монтаж и эксплуатация

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EB 8355-2 EN 43
Operation
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)
Left attachment Right attachment
Switch
Valve position Tag outside inductive
field
Tag inside inductive
field
Tag outside inductive
field
Tag inside inductive
field
Closed B A A B
Open A B B A
Table 9: Right or left attachment according to NAMUR (Fig. 6) and attachment to rotary actuators (Fig. 8)
Direction
of action
Valve
position
Actuator stem extends (FA) Actuator stem retracts (FE)
Switch
Tag
Switch
Tag
Outside inductive
field
Inside inductive field
Outside inductive
field
Inside inductive field
>> CLOSED
OPEN
B
A
A
B
A
B
B
A
<> CLOSED
OPEN
A
B
B
A
B
A
A
B