Samson 373 Series User Manual

EB 8384-2 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eld
andtheswitchingamplierresponds.
You can measure the switching voltage as an indicator.
Contact function:
− Tagleavingtheeld>contactisclosed.
− Tagenteringtheeld>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
eldoftheproximityswitch(3).
You can measure the switching voltage as an indicator.
Contact function:
− Tagleavingtheeld>contactisclosed.
− Tagenteringtheeld>contactisopened.
Metal tag (1) Proximity switch (3)Adjustment screw (2)
Fig.37: Adjusting the limit switch

Samson 373 Series Specifications

General

Brand	Samson
Model	373 Series
Category	Valve Positioners
Language	English