Samson TROVIS 3730-3, Mounting And Operating Instructions

Page: 149 / 180

EB 8384-3 EN 149
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General description: The Model 3730-31 HART® capable Positioner is a single- or double-acting positioner with
communication capability intended for attachment to pneumatic control valves or rotary actuators. The Positioner is of the
self-balancing type and adapts itself automatically to the attached valve or actuator respectively. The positioner server for
matching valve stem positions (controlled variable x) with the control signal (reference variable W) in the 4-20mA range.
Nominal travels of 3,6 to 200mm are possible with linear actuators, or angles of rotation of 24 ° to 100 ° with rotary
actuators. Features: Simple attachment to current linear and rotary actuators with interface for SAMSON- direct
attachment. NAMUR- rib; attachment to rod-type yoke acc. to IEC 60534-6-1. Any mounting position of the positioner.
Options: Position indicator, software proximity switches, inductive proximity switch, forced routing function, fault alarm
output, external displacement transducer and serial interface. In the ex version the fault alarm output, the software
proximity switches and the inductive proximity switch are analysed by a NAMUR-switching amplifier according to EN
50227.
3730-31_Electrical data.pdf ; 3730-31_Type code.pdf
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