Einbau- und Betriebsanleitung
Installation and Operating instructions
SR3300-8010
SR-3300
Page 31
07/2018
1.
Introduction
1.1
General Information for the users
Thank you for purchasing RTK products. Each product has been fully inspected after its production to offer you the highest
quality and reliable performance. Please read the product manual carefully prior to installing and commission the product.
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For the safety, it is important to follow the instructions in the manual. RTK. will not be responsible for any damages
caused by user’s negligence.
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The manual should be provided to the end-user.
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Any modifications or repairs to the product may only be performed if expressed in this manual.
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The manual can be altered or revised without any prior notice. Any changes in product’s specification, design, and/or
any components may not be printed immediately but until the following revision of the manual.
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The manual should not be duplicated or reproduced for any purpose without prior approval from RTK.
1.2
Manufacturer Warranty
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Please note point 8 our Sales and delivery terms.
2.
Product Description
2.1
General
SR-3300 series Smart Positioner accurately controls valve stroke in response to an input signal of 4-20mA from the controller.
Built-in micro-
processor optimizes the positioner’s performance and provides unique functions such as
Auto-Calibration, PID
Control.
2.2
Main Features and Functions
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LCD display enables users to monitor the positioner status.
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Positioner operates normally during sudden changes in supply pressure and / or high vibration environment.
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Low air consumption level and low voltage use (8.5 V) yield to lower plant operating costs. The SR-3300 is compatible
with most of controllers.
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Variable orifice can be used to minimize the hunting occurrence and optimize operating conditions.
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Valve system feedback is greatly improved by the accuracy and fast response of the SR-3300.
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Different valve characteristics can be adjusted
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Linear, Quick Open, Equal Percentage, and Custom which user can
make 16 points characterizations.
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Tight Shut
–
Close and Shut - Open can be set.
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PID parameters can be adjusted in the field without any additional communicator.
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A/M switch can be used to direct supply air to the actuator or to manually operate the positioner or valve.
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Split range 4-12mA or 12-20mA can be set.
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Operating temperature is -30 ~ 85°C.
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Manual Operation allows the user to operate the valve manually.
