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Eltorque QT50 - User Manual

Eltorque QT50
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Doc ID 1321 version 2.0 Sept. 2018
User Manual QT50

Table of Contents

Questions and Answers

  • P
    Paula LopezAug 1, 2025
    How to troubleshoot Eltorque Controller actuator with no response and no LED indicator?
    • J
      John ShawAug 1, 2025
      If your Eltorque Controller actuator isn't responding, and the LED indicator is off, it likely indicates a power supply issue. Start by checking the fuses and wiring. Use a voltage meter to verify the supply voltage; it should be between 110-230V AC (L-N).
  • F
    Frank LopezAug 4, 2025
    What to do if Eltorque Controller actuator gives torque alarm and attempts to move valve?
    • M
      michael45Aug 5, 2025
      If your Eltorque Controller actuator's alarm output is active, giving a torque alarm, and the actuator tries to move the valve, it could be due to the valve operation torque being too high, or the actuator torque setting being too low. Manually check the valve torque, watching out for obstructions in the pipe. If the torque is normal, increase the actuator torque using E3C, or via CANopen communication on CANopen systems.
  • M
    michellejonesAug 9, 2025
    Why is the Eltorque QT50 actuator's alarm output active and giving temperature alarm?
    • D
      Daniel WilliamsAug 9, 2025
      If the Eltorque Controller actuator's alarm output is active, giving a temperature alarm, and the actuator isn't responding to control signals, it could be overheating. Ensure the surrounding temperature is within specified limits and that you're adhering to duty type requirements. For more details, refer to section 5.2 Error alarms and error handling on page 46.
  • C
    cookgregoryAug 13, 2025
    What to do if Eltorque Controller actuator gives status signal emergency?
    • C
      Christopher HurleyAug 13, 2025
      If the Eltorque Controller actuator's alarm output is active, giving a status signal emergency, and the actuator isn't being operated manually, it suggests the self-locking device isn't locking properly. Check that the position is configured correctly and that the torque setting is sufficient for the valve. If issues persist, contact your local Eltorque agent for support.
  • J
    jesse38Aug 18, 2025
    How to troubleshoot Eltorque QT50 actuator with CANopen interface that doesn't respond to control signals?
    • Q
      qyoungAug 18, 2025
      If an Eltorque Controller actuator with a CANopen interface isn't responding to control signals, but works with E3C, the fieldbus settings might be incorrect. Verify the configuration using E3C.
  • J
    jacob85Aug 22, 2025
    What to do if Eltorque QT50 actuator doesn't operate correctly after interface replacement?
    • C
      Carol LeeAug 22, 2025
      If the Eltorque Controller actuator isn't operating correctly after replacing the interface, the interface likely hasn't been configured properly. Refer to the E3C User Manual for configuration instructions. If you need further assistance, contact your local Eltorque agent for support.
  • E
    Ellen NewmanAug 27, 2025
    Why is the Eltorque QT50 Controller valve leaking when the actuator indicates closed?
    • G
      gibsonjeffreyAug 27, 2025
      If the valve is leaking despite the Eltorque Controller actuator indicating a closed status, it could be due to an incorrect closed position setting. For butterfly valves, ensure the disk aligns in the middle of the gasket. Manually move the actuator to the correct closed position, then set the new closed position using E3C or fieldbus. If the leakage continues, inspect the valve seat face.

Summary

Chapter 2 HSE Information

Chapter 3 Product Description

3.3 Technical Specification

Details system performance parameters for QT50 actuators, including torque, dimensions, and IP rating.

Chapter 4 Mounting and Installation Instructions

4.1 Mounting the Actuator on the Valve

Provides essential safety warnings and steps for mounting actuators onto valves.

4.2 Mounting Procedure QT50

Step-by-step guide for attaching the QT50 actuator to a valve, including grease application.

4.4 Cable Connection Overview

Outlines safety precautions and steps for connecting power and control signal cables.

4.7 Grounding (Earthing)

Specifies requirements for personnel and equipment protection through proper grounding.

4.8 Communication Connection Interfaces

Details how to connect various communication interfaces like CANopen, Digital, and Analog.

Chapter 5 Operation

5.1 Manual Operation

Explains how to operate the actuator manually in case of power failure or system errors.

5.2 Error Alarms and Error Handling

Describes triggers, reactions, and reset conditions for general, position, temperature, and torque alarms.

5.3 Troubleshooting

Lists common issues with actuators and provides potential causes and solutions.

Chapter 6 Maintenance

Chapter 7 Technical Details

7.3.1 CANopen Interface

Provides technical information about the Eltorque CANopen communication.

7.3.2 Digital Interface

Explains the functions and signals for the digital interface, including inputs and outputs.

7.3.3 Analog Interface

Describes the analog interface, its polarity sensitivity, and the digital alarm output.

Appendix A Torque and Screw Recommendations

Appendix B Earthing Methods in Maritime Installations

Eltorque QT50 Specifications

General IconGeneral
BrandEltorque
ModelQT50
CategoryController
LanguageEnglish

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