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KH 8384-5 EN
Introduction
1
Introduction
This document is based upon:
−
Fieldbus F
OUNDATION
™ Specification "Function Block Application Process Part 1 – 3"
Revision 1.7 (FF-890 to FF-892)
−
Fieldbus F
OUNDATION
™ Specification "Positioner Transducer Block" Revision 3.0 (FF-906)
Type 3730-5 Positioner
The microprocessor-controlled positioner compares the set point cyclically transmitted over
the
F
OUNDATION
™
fieldbus network to the travel or opening angle of the control valve and
issues a corresponding output signal pressure.
Special features:
−
Link Master Capability
−
Simple attachment to all common linear actuators with interface for SAMSON direct attach-
ment, NAMUR rib or valves with rod-type yokes according to IEC 60534-6-1 or to rotary
actuators according to VDI/VDE 3845
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Any desired mounting position of the positioner
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One-knob, menu-driven operation
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Automatic start-up
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LCD easy to read in any mounted position due to selectable reading direction
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Integrated EXPERTplus diagnostics suitable for throttling and on/off valves and with addi
-
tional partial stroke test for valves in safety-instrumented systems
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Classified status messages acc. to NAMUR Recommendation NE 107
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Online changing of control parameters
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Automatic zero monitoring
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Calibrated travel sensor without gears susceptible to wear
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Permanent storage of parameters (protected against power failure)
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Adjustable output pressure limitation
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Activatable tight-closing function
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Binary input for DC voltage signals
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Certified according to IEC 61508/SIL
Содержание FOUNDATION 3730-5
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