Seg SP740 Series User Manual

Smart Positioner
SP740 Series
2. Product Description
2.1 General Introduction
Smart Positioner SP740 series are I/P converter type positioner operating kinds of actuators
and valves by converting 4 to 20mA DC signal to pneumatic output proportionally.
The product has acquired IECEx certificate according to "IEC60079-0:2011, IEC60079-11:2011"
standard of IECEx Scheme, and also Intrinsic Safety explosion proof certification (option)
applicable for explosive zone 0.
When applying for an explosive zone, every power supplying to the product should be connected
through a barrier limiting the electrical specification higher than described in the above 2.8.
Besides, installation and wiring etcs relative contents should be observed and worked and used .
2.2 Features
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It can be applied to various kind of control valve systems
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Easy and convenient operation
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Simple maintenance owing that internal parts are modularization .
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Enclosure IP66
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Built-in Self diagnostic function
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Various information about positioner can be processed by HART communication.
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The function of Auto Calibration is very simple and beginer is available to use .
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2.3 Options
Option function can be added by using simple module operaton only.
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Position transmitter(4~20mA DC feedback signal)
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HART communication
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Limit switch
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Intrinsic safety explosion proof
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Seg SP740 Series Specifications

General

Brand	Seg
Model	SP740 Series
Category	Valve Positioners
Language	English