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Samson 3725 User Manual

Samson 3725
80 pages
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Mounting and
Operating Instructions
EB 8394 EN
Firmware version 1.1x
Translation of original instructions
Edition June 2014
Series 3725
Type3725 Electropneumatic Positioner

Table of Contents

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Samson 3725 Specifications

General IconGeneral
Channels16
Keys25
Velocity SensitivityYes
AftertouchNo
Pitch BendYes
MIDI I/OUSB

Summary

Safety instructions and measures

Notes on possible severe personal injury

Details hazards that could result in death or serious injury.

Notes on possible personal injury

Details hazards that could result in personal injury.

Notes on possible property damage

Details potential risks of property damage.

Markings on the device

Nameplate

Describes the information provided on the device's nameplate.

Article code

Explains the structure and meaning of the article code.

Design and principle of operation

Mounting versions

Describes various methods for attaching the positioner to different actuators.

Accessories and mounting parts

Lists available accessories and required mounting parts.

Travel tables

Correlates actuator sizes with travel ranges and positioner settings.

Technical data

Provides detailed technical specifications and operating parameters.

Dimensions in mm

Illustrates the physical dimensions of the positioner with drawings.

Measures for preparation

Unpacking

Instructions for safely unpacking the positioner and its components.

Transporting and lifting

Guidelines for safe transportation and handling of the device.

Storage

Recommendations for storing the positioner properly.

Mounting and start-up

Lever and pin position

How to set the lever and pin for proper actuator adaptation.

Direct attachment

Detailed instructions for mounting directly onto specific actuator types.

Attachment according to IEC 60534-6

Procedures for mounting using a NAMUR bracket.

Attachment to Type 3372 Actuator (V2001)

Instructions for attaching to SAMSON Type 3372 actuators.

Attachment to rotary actuators

Procedures for mounting the positioner to rotary actuators.

Pneumatic connections

Guidance on making correct pneumatic connections to the device.

Connecting the supply air

Steps and requirements for connecting the air supply.

Electrical connections

Instructions for safely connecting the electrical power and signal.

Operation

Operating controls

Explains the function of capacitive keys, display, and volume restriction.

Operating the positioner

Adapting the display

How to adjust the display reading direction.

Enabling configuration to change parameters

Steps to unlock configuration settings for parameter changes.

Adjusting the volume restriction Q

Guide for setting the volume restriction for actuator adaptation.

Entering the air action

How to set the air action (ATO or ATC).

Entering the direction of action

How to set the direction of action (increasing/decreasing).

Limiting the signal pressure

How to activate signal pressure limitation for valve protection.

Setting other parameters

Overview of parameter codes and their default settings.

Initialization

Process for adapting the positioner to actuator conditions.

Zero calibration

Steps to recalibrate the positioner's zero point.

Manual mode

How to operate the positioner using manual mode.

Reset

How to reset the positioner to default settings.

Servicing

Preparation for return shipment

Instructions for preparing the unit for return to SAMSON.

Malfunctions

Resetting error codes

Procedure for resetting specific error codes.

Error codes

List of error codes, their causes, and recommended actions.

Emergency action

Actions to take in case of critical failures or emergencies.

Decommissioning and disassembly

Decommissioning

Steps to safely take the positioner out of operation.

Removing the positioner

Instructions for physically removing the positioner from the valve.

Disposal

Guidance on proper disposal of the equipment and its components.

Annex

After-sales service

Information on contacting SAMSON for support and service.

Parameter codes

Detailed list of parameter codes and their functions.

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