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Hitachi EH-D6EAN - User Manual

Hitachi EH-D6EAN
170 pages
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HITACHI PROGRAMMABLE CONTROLLER
APPLICATION MANUAL
NJI-611B(X)
IEC 61131-3 Compliant PLC
(SERVICE MANUAL)

Table of Contents

Questions and Answers

  • R
    Robert RoachAug 12, 2025
    What to do if Hitachi Controller shows error code 88?
    • A
      Ann BrownAug 12, 2025
      If you encounter error code 88 on your Hitachi Controller, first cycle the power. If the issue persists after cycling the power, it is recommended to contact your local supplier for further assistance.
  • L
    lisa27Aug 16, 2025
    What to do if Hitachi EH-D6EAN shows error code 11?
    • P
      Paula LeeAug 16, 2025
      If your Hitachi Controller displays error code 11, try cycling the power. If the error continues after cycling power, please contact your local supplier.
  • C
    coreywallaceAug 19, 2025
    What to do if Hitachi EH-D6EAN Controller shows error code 12?
    • A
      Amy BennettAug 19, 2025
      If you see error code 12 on your Hitachi Controller, cycle the power to attempt to resolve the issue. If cycling the power does not fix the problem, it's recommended to contact your local supplier.
  • A
    Abigail DyerAug 23, 2025
    How to fix error code 71 on Hitachi Controller?
    • B
      bhartmanAug 23, 2025
      The battery error and the OK LED blinking on your Hitachi Controller will automatically stop once you replace the old battery with a new one.
  • C
    christopher56Aug 27, 2025
    How to fix error code 20 on Hitachi EH-D6EAN Controller?
    • M
      Megan BenjaminAug 27, 2025
      To clear the exception status on your Hitachi Controller (error code 20), you must perform a Reset operation. Execute a cold, warm, or origin reset using HX-CODESYS.
  • L
    lindsay10Aug 30, 2025
    What does error code 78 mean on a Hitachi EH-D6EAN Controller?
    • B
      brandon76Aug 30, 2025
      Error code 78 on your Hitachi Controller indicates that the checksum value of parameters in FLASH memory (such as the IP address) does not match the calculated checksum.
  • Y
    ywatsonSep 3, 2025
    What does error code 77 mean on a Hitachi EH-D6EAN Controller?
    • W
      warrenmichaelSep 3, 2025
      Error code 77 on the Hitachi Controller means that a failure was detected while writing to the FLASH memory, or the maximum number of writing times has been exceeded.
  • K
    Kelly WatkinsSep 7, 2025
    Why does my Hitachi EH-D6EAN Controller show error code 21?
    • S
      Shelley PierceSep 7, 2025
      Error code 21 on your Hitachi Controller indicates that the retain data memory has an undefined status because the battery is empty.

Summary

Safety Precautions

1. Installation

Essential steps for physical setup and mounting the PLC unit securely.

2. Wiring

Guidelines for connecting power, I/O signals, grounding, and fail-safe circuits.

3. Precautions when using the unit

Critical warnings for safe operation, preventing damage, and electrical shock.

Chapter 3 Programming

3.3 I;O Configuration

Setting up expansion units and option boards for I/O mapping.

3.9 Programming

Basic ladder programming techniques, adding contacts, coils, and variables.

Chapter 2 Specifications

Chapter 4 Installation

Chapter 5 Maintenance

Hitachi EH-D6EAN Specifications

General IconGeneral
BrandHitachi
ModelEH-D6EAN
CategoryController
LanguageEnglish

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