Samson TROVIS 3730-3, Монтаж и эксплуатация

Страница: 113 / 180

EB 8384-3 EN 113
Operating the positioner
For CLOSED position:
1. Initialize the positioner.
2.
Move the valve to 5 % in the MAN mode (see display).
3. Adjust the tag at the yellow adjustment screw (2) until the tag enters or leaves the field
and the switching amplifier responds.
You can measure the switching voltage as an indicator.
Contact function:
− Tag leaving the field > contact is closed.
−
Tag entering the field > contact is opened.
For OPEN position:
1. Initialize the positioner.
2.
Move the valve to 95 % in the MAN mode (see display).
3. Adjust the tag (1) at the yellow adjustment screw (2) until the tag enters or leaves the
field of the proximity switch (3).
You can measure the switching voltage as an indicator.
Contact function:
−
Tag leaving the field > contact is closed.
− Tag entering the field > contact is opened.
Metal tag (1) Proximity switch (3) Adjustment screw (2)
Fig. 39: Adjusting the limit switch