Entron EN7000 Application Note
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Entron EN7000 Application Note

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Application Note
EN7000 CT Sensitivity Setting
Firmware Version
All Versions
January 22
Document no. 700254-0

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Summary of Contents for Entron EN7000

  • Page 1 Application Note EN7000 CT Sensitivity Setting Firmware Version All Versions January 22 Document no. 700254-0...
  • Page 2 TRADEMARKS BR ENTRON and/or its affiliates’ trademarks may not be used in connection with any product or service that is not BF ENTRON’s, in any manner this is likely to cause confusion among customers or in any manner that disparages or discredits BF ENTRON.
  • Page 3 Initial release of EN7000 CT Sensitivity application note Simmons Languages This document is only published in the English language. Copyright © 2021 BF ENTRON and/or its affiliates. All rights reserved P a g e Product Model: EN7000 January 22 | Doc No. 700254-0...

  • Page 4: Table Of Contents

    3.1.1 Internet ................................17 3.1.2 Documentation Request ............................. 17 3.1.3 Service and Technical Support ..........................17 Copyright © 2021 BF ENTRON and/or its affiliates. All rights reserved P a g e Product Model: EN7000 January 22 | Doc No. 700254-0...

  • Page 5: Background

    1.1 Description of the User This application note is intended for anyone intending to calibrate the EN7000 control using the Primary CT provided in the weld control. This is typically a PLC programmer, Weld Engineer or Maintenance technician with the appropriate skills and tools necessary to carry out the calibration.

  • Page 6: Explanation Of Symbols

    Examples are: not using proper personal protect; removal of guards. 1.4 Important Safety Instructions Before installing, starting up, or operating the [EN7000. All models produced in the USA], carefully read all safety instructions to ensure safe use of the product. SAVE THESE INSTRUCTIONS The safety instructions are part of the product.

  • Page 7: Introduction

    2.1 Scope All EN7000 AC controls are shipped with a Primary CT that measures primary current. The Primary CT has a Burden Resistor connected to it. The Burden Resistor is connected parallel to the Primary CT. Within the Primary CT there is a sensitivity parameter which will allow you to change the sensitivity value.

  • Page 8: Tools Required

    2.5 Instructions to Set the CT Sensitivity The CT Sensitivity value in the EN7000 control must be set as a function of the burden resistor installed in the product. The factory sets the CT Sensitivity parameter during final test. However, a factory reset or field installation of the EN7000 weld timer may result in the CT Sensitivity value being improperly set.

  • Page 9: Determine The Burden Resistor In Your Control

    The user must identify which Burden Resistor is installed with the control. Identifying which Burden Resistor is installed will allow the user to determine the correct sensitivity value to program into the EN7000 weld timer. All instructions below are for a SINGLE electrode set up. For a MULTI electrode set up, please repeat instructions set out for the SINGLE set up below for each electrode so they are set to the same value.

  • Page 10: Program The Ct Sensitivity Value

    The instructions to set the CT sensitivity value for each interface method is defined below. 2.5.2.1 EN7000TS Models – Touchscreen If your EN7000 has a touchscreen interface, you can follow the instructions below to set the CT sensitivity value. STEP INSTRUCTION...
  • Page 11 When timer is configured to MULTI all electrodes 0-7 must use the same value. Copyright © 2021 BF ENTRON and/or its affiliates. All rights reserved 11 | P a g e Product Model: EN7000 January 22 | Doc No. 700254-0...
  • Page 12 CT calibration Entron Controls procedure. Table 2 Instructions Using EN7000TS Touch Screen Copyright © 2021 BF ENTRON and/or its affiliates. All rights reserved 12 | P a g e Product Model: EN7000 January 22 | Doc No. 700254-0...

  • Page 13: Netflash™ Software

    2.5.3 NetFlash™ Software If you have the NetFlash™ software, a PC, and an ethernet cable to connect to the EN7000 timer, you can follow the instructions below to set the CT Sensitivity value for all EN7000 models. Open Net Flash Software and select CONFIGURATION tab.
  • Page 14 ENTRON Document Library - Entron for the CT calibration Controls procedure. Table 3 Instructions using NetFlash PC Software Copyright © 2021 BF ENTRON and/or its affiliates. All rights reserved 14 | P a g e Product Model: EN7000 January 22 | Doc No. 700254-0...

  • Page 15: Wsp3 Handheld Pendant

    INTRODUCTION Instructions to Set the CT Sensitivity 2.5.4 WSP3 Handheld Pendant If you have the WSP3 Handheld pendant, you can set the CT Sensitivity value on all EN7000 models by following the instructions below. Step Description Screen / Parameters Key Inputs...
  • Page 16 ENTRON Document Library - control from this point. Entron Controls Table 4 Instructions using WSP3 Hand Held Pendant Copyright © 2021 BF ENTRON and/or its affiliates. All rights reserved 16 | P a g e Product Model: EN7000 January 22 | Doc No. 700254-0...

  • Page 17: Technical Support

    Instructions to Set the CT Sensitivity 3 Technical Support 3.1.1 Internet The latest version of the documentation and other helpful resources in the ENTRON Document Library page found in the Resource section of the ENTRON website: https://www.entroncontrols.com 3.1.2 Documentation Request Documentation, user instructions and technical information can be requested by emailing ENTRON Controls at customerservice@entroncontrols.com...

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