What to do if Hitachi MICRO-EHV+ shows error code 88?
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.
What to do if Hitachi Controller shows error code 11?
If your Hitachi Controller displays error code 11, try cycling the power. If the error continues after cycling power, please contact your local supplier.
What to do if Hitachi MICRO-EHV+ shows error code 12?
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.
How to fix error code 71 on Hitachi MICRO-EHV+ Controller?
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.
How to fix error code 20 on Hitachi MICRO-EHV+ Controller?
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.
What does error code 78 mean on a Hitachi MICRO-EHV+?
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.
What does error code 77 mean on a Hitachi MICRO-EHV+ Controller?
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.
Why does my Hitachi MICRO-EHV+ show error code 21?
Error code 21 on your Hitachi Controller indicates that the retain data memory has an undefined status because the battery is empty.
General| Brand | Hitachi |
|---|---|
| Model | MICRO-EHV+ |
| Category | Controller |
| Language | English |
Procedures for unpacking the PLC and its components.
Lists related manuals for MICRO-EHV+ series PLC and expansion units.
Provides a high-level overview of the MICRO-EHV+ series PLC system configuration.
Details environmental, electrical, and physical specifications for the PLC.
Outlines key performance metrics like memory, I/O, and communication capabilities.
Lists the available PLC models and their specifications for easy selection.
Details the electrical characteristics and ranges for PLC input signals.
Explains the electrical characteristics and ratings for PLC output types.
Describes the meaning and status of each LED on the PLC unit.
Provides detailed information on the parts and layout of the 64-point basic unit.
Explains the names, functions, and terminal layouts of expansion units.
Describes various option boards, their functions, and supported features.
Details the specifications and function of expansion cables for connecting units.
Covers system requirements and the step-by-step installation of programming software.
Guides users on how to launch the programming software and create a new project.
Explains how to configure I/O by scanning for devices or adding them manually.
Covers data memory, marker memory, and variable declaration methods.
Details how to establish communication by adding gateways and scanning networks.
Introduces basic ladder programming concepts and adding contacts/coils.
Guides on building, logging in, and downloading programs to the PLC.
Explains how to download and manage the application that runs on PLC startup.
Describes the PLC's run, stop, and reset operations and their effects.
Covers the configuration and use of Modbus-TCP and Modbus-RTU communication.
Details the configuration and online settings for EtherCAT master functionality.
Explains the configuration and usage of high-speed counters and interrupt inputs.
Covers downloading, uploading, and verifying programs using USB.
Guides on how to install and use libraries for PLC programming.
Provides guidelines for installing the PLC in suitable locations and environments.
Details power system separation, wiring diagrams, and fail-safe considerations.
Outlines daily and periodic checks for ensuring proper PLC operation.
Discusses the expected lifetime of components and battery replacement guidelines.
Lists known limitations and restrictions for the programming software and PLC.
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