Samson 3730-4, Mounting And Operating Instructions

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For CLOSED position:
1. Initialize positioner.
2. Use the
MAN function to move the
positioner to 5 % (see LC display).
3. Adjust the tag using the yellow adjust-
ment screw (2) until the tag enters or
leaves the field and the switching ampli-
fier responds. You can measure the
switching voltage as an indicator.
Contact function:
Tag leaving the field > contact is made.
Tag entering the field > contact is opened.
For OPEN position:
1. Initialize positioner.
2. Use the
MAN
function to move the
positioner to 95 % (see LC display).
3. Adjust the tag (1) using the yellow ad-
justment 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 made.
Tag entering the field > Contact is opened.
8 Quick start-up guide
8.1 Mounting
Direct attachment to SAMSON Type 3277
Actuator
Travel mm Actuator cm 2 Pin position
7.5 120 25
15
120/175/240
/350
35
15/30 700/750 50
Note: Standard delivery includes lever M
ready assembled with the follower pin on 35
mm pin position for 15 mm travel!
To mount the positioner, lift the lever so that
the follower pin rests on the follower clamp
of the actuator stem.
NAMUR attachment
4
Determine the maximum travel range of
the control valve from the closed position
to as far it will go in the other direction.
4
Select the lever to match the maximum
travel range as well the next largest pin
position and screw onto the shaft of the
positioner.
4 Lever option/pin distance:
see pin position table (Code 4) or cover
plate on the positioner.
4
Screw the NAMUR bracket onto the
valve yoke so that it is aligned centrally
to the slot of the follower plate when the
travel position is at 50 %.
4
Secure the positioner to the NAMUR
bracket, making sure that the follower
EB 8384-4 EN
79
Quick start-up guide