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Samson 3766 User Manual

Samson 3766
76 pages
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Translation of original instructions
EB 8355-1 EN
Edition October 2018
Type3766 Pneumatic Positioner
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Samson 3766 Specifications

General IconGeneral
BrandSamson
Model3766
CategoryValve Positioners
LanguageEnglish

Summary

General Safety Instructions

Design and Principle of Operation

Versions and Article Code

Details on different product configurations and their corresponding codes.

Technical Data

Specifies performance characteristics, operating limits, and physical properties of the positioner.

Additional Equipment

Lists optional components and their functionalities, such as limit switches and solenoid valves.

Summary of Explosion Protection Approvals

Outlines certifications for hazardous area use, including ATEX, IECEx, CSA, and FM.

Mounting on Control Valves

Direct Attachment to Type 3277 Actuator

Instructions for mounting the positioner directly onto SAMSON Type 3277 actuators.

Attachment According to IEC 60534-6

Procedures for mounting the positioner using NAMUR standards for valve attachment.

Attachment to Rotary Actuators

Guidance for connecting the positioner to rotary actuators via an intermediate piece.

Connections

Pneumatic Connections

Describes how to connect air supply and signal lines, including fittings and air quality requirements.

Electrical Connections

Details wiring procedures, terminal assignments, and safety regulations for electrical installation.

Operation

Tuning the Positioner Mounted Onto the Control Valve

Steps for adjusting the zero, span, and proportional band for accurate valve control.

Changing the Operating Direction

Instructions on how to reverse the positioner's response to the input signal.

Adjusting the Limit Contacts

Procedure for setting inductive limit contacts to signal valve end positions or intermediate points.

Adjusting the Position Transmitter

Steps for calibrating the output signal (4-20 mA) based on valve travel.

Upgrading the Positioner

After-Sales Service

Servicing Explosion-Protected Devices

Guidelines for maintenance and repair of devices used in hazardous locations, ensuring continued compliance.

Maintenance and Calibration

Procedures for routine checks, calibration, and ensuring the integrity of intrinsically safe circuits.

Dimensions in mm

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