Product Guide
3785 - PROFIBUS PA positioner
Classification:
Company:
Weismüllerstr. 3
60314 Frankfurt
Germany
Gert Nahler
Tel +49 69 4009 0
https://www.samsongroup.com/de/
gert.nahler(at)samsongroup(dot)com
Illustration:
Product description:
Single-acting or double-acting PROFIBUS PA positioner for attachment
to pneumatic control valves.
A bus-powered field device according to
PROFIBUS PA specification operating on the IEC 1158-2 transmission
technique.
The 3785 positioner is suitable for attachment to both
linear and rotary actuators, for rated travels from 7.5 - 120 mm and
opening angle up to 120°.
The microprocessor controlled PROFIBUS PA
positioner ensures a pre-selected correspondence between the valve stem and the reference variable supplied by the distributed control system or area controller via the communication lines.
The 3785 PROFIBUS PA positioners are available for general or intrinsically safe service, with limit switches and forced fail-safe venting action.
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