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Samson 3374-11 - User Manual

Samson 3374-11
104 pages
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Mounting and
Operating Instructions
EB 8331-4 EN
Firmware version 3.11
Translation of original instructions
Edition August 2016
Type3374 Electric Actuator
Version with positioner, revision 3

Table of Contents

Questions and Answers

  • C
    Christopher SimsAug 17, 2025
    What to do if the Samson Control Unit valve leaks to the atmosphere?
    • M
      Mary WilliamsAug 17, 2025
      If the Samson Control Unit valve leaks to the atmosphere, it could be due to a defective plug stem seal or a loose flanged joint with a worn-out gasket. You should check the flanged joint. For a defective plug stem seal, it is recommended to contact our after-sales service.
  • V
    Veronica BrownAug 19, 2025
    Why does the Samson Control Unit actuator and plug stem not move on demand?
    • D
      doughertyelizabethAug 19, 2025
      If the actuator and plug stem of your Samson Control Unit do not move on demand, it could be because the actuator is blocked or there's no or incorrect supply voltage connected. Check the attachment and remove any blockage. Also, check the supply voltage and connections.
  • P
    Patricia WatkinsAug 22, 2025
    What to do if there is increased flow through closed Samson Control Unit valve?
    • B
      Brittany WrightAug 23, 2025
      If you observe increased flow through a closed Samson Control Unit valve, it might be caused by dirt or foreign particles between the seat and plug, or the valve trim could be worn out. To resolve this, shut off the section of the pipeline and flush the valve. If the valve trim is worn, contact our after-sales service.
  • J
    Jeffrey MckayAug 26, 2025
    Why actuator and plug stem does not stroke through the full range in Samson Control Unit?
    • C
      Carl RomeroAug 26, 2025
      If the actuator and plug stem of your Samson Control Unit don't stroke through the full range, the cause may be no or incorrect supply voltage connected. Ensure that you check the supply voltage and connections.
  • S
    Sabrina WestAug 28, 2025
    What to do if there is an input signal failure in my Samson 3374-11 Controller?
    • S
      Stacey Turner MDAug 28, 2025
      If you are experiencing an input signal failure with your Samson Controller, the suggested solution is to check the signal source and wiring.
  • J
    James McdonaldAug 30, 2025
    What to do if my Samson Controller shows a sensor failure?
    • J
      Joseph BellAug 30, 2025
      If your Samson Controller indicates a sensor failure, you should check the signal source and wiring.
  • M
    Michael RossSep 2, 2025
    What should I do if my Samson 3374-11 shows plausibility error?
    • M
      Molly GonzalezSep 2, 2025
      If your Samson Controller is showing a plausibility error, the suggested solution is to correct the configuration.
  • O
    ojenkinsSep 5, 2025
    What should I check if there is a bus failure on my Samson 3374-11?
    • G
      gestesSep 5, 2025
      In case of a bus failure on your Samson Controller, you should check the Modbus master and connection.
  • L
    littlechristineSep 7, 2025
    What to do if my Samson 3374-11 Controller is blocked?
    • E
      Elizabeth WolfSep 7, 2025
      If your Samson Controller is experiencing a blockage, you should unblock the stem and valve.
  • B
    bconnerSep 10, 2025
    What to do if my Samson Controller displays 'EEPROM error: no configuration'?
    • M
      miranda35Sep 12, 2025
      If your Samson Controller displays the error message 'EEPROM error: no configuration', you should perform the configuration again.

Summary

Mounting and Operating Instructions

Type 3374 Electric Actuator

General overview of the Type 3374 Electric Actuator.

1 Safety instructions and measures

1.1 Notes on possible severe personal injury

Safety warnings about severe personal injury risks.

1.2 Notes on possible personal injury

Safety warnings about personal injury risks.

2 Markings on the device

2.1 Nameplate

Details regarding the actuator's nameplate information.

3 Design and principle of operation

3.3 Manual override

Procedures for manually operating the actuator stem.

3.5 Device overview and operating controls

Identification of actuator components and controls.

3.6 Technical data

Comprehensive technical specifications and performance data.

6.3 Setting up Modbus-RTU communication

7 Operation

8 Operating level

8.1 Selecting the operating mode

Choosing between automatic and manual operating modes.

8.3 Initializing the actuator

Step-by-step guide for actuator initialization and setup.

8.4 Applications

Selection and configuration of actuator applications.

11 Service level

11.2 Starting zero calibration

Procedure for performing zero calibration of the actuator.

11.3 Starting initialization

Steps for initializing the actuator.

12 Communication level

14 Servicing

15 Malfunctions

15.1 Error messages

Comprehensive list and explanation of actuator error messages.

15.2 Troubleshooting

Guidance for diagnosing and resolving common actuator malfunctions.

16 Decommissioning and disassembly

16.2 Removing the actuator from the valve

Step-by-step instructions for detaching the actuator from the valve.

4 Measures for preparation

5 Mounting and start-up

5.1 Mounting the actuator onto the valve

Procedures for mounting the actuator onto the valve.

5.2 Electrical connections

Instructions for making electrical connections to the actuator.

6 Additional functions

9 Configuration level

9.1 Activating and setting parameters

Procedures for activating and changing configuration parameters.

9.2 Input signal

Configuration of input signal source and range.

9.13 Fast configuration level

Quick configuration of key parameters.

10 Information level

Samson 3374-11 Specifications

General IconGeneral
Model3374-11
Velocity SensitivityYes
AftertouchNo
Pitch BendYes
Modulation WheelYes
TypeMIDI Controller

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