What to do if Hitachi EHV shows error code 88?
If the Hitachi Controller displays error code 88, try cycling the power. If the problem persists, contact your local supplier for further assistance.
What to do if Hitachi EHV shows error code 70?
If the Hitachi Controller displays error code 70, be aware that the user program execution continues despite the warning. To activate an alarm or any action based on the warning, utilize the CmpHitachi library. To clear the error code, press the E.CLR button.
What to do if Hitachi EHV Controller shows error code 21?
If the Hitachi Controller displays error code 21, it indicates that the retain data memory is in an undefined state because the battery is empty. Ensure that a battery is installed, even if you are not using retain data or the real-time clock.
How to clear error code 20 on Hitachi EHV Controller?
To clear error code 20 on the Hitachi Controller, you need to perform a Reset operation. Execute a cold, warm, or origin reset using EHV-CoDeSys.
General| Type | PLC |
|---|---|
| Series | EHV+ Series |
| Output Type | Relay, Transistor, Triac |
| Communication Ports | RS-232, RS-485, Ethernet |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 70°C |
Discusses environmental requirements and physical mounting for safe PLC installation.
Covers essential wiring practices and precautions for safe electrical connections.
Details critical safety measures during PLC operation and interaction.
Outlines safety steps for maintaining the unit and preventing hazards.
Steps for safely unpacking the EHV+ series CPU and its components.
Lists related application manuals for EHV+ series CPU and modules.
Explains the modular structure and components of the EHV+ series PLC system.
Provides overall environmental and electrical specifications for the PLC.
Lists the available modules and accessories for the EHV+ series PLC.
Details the features, dimensions, and specifications of the CPU modules.
Describes the specifications and terminal configurations of power supply modules.
Explains the function and dimensions of base units for system expansion.
Details the function and specifications of the I/O controller module.
Covers the overview and specifications of various digital I/O modules.
Provides an overview and specifications for standard and high-resolution analog modules.
Details specifications for specialized modules like positioning and counter modules.
Lists essential accessories such as dummy modules and expansion cables.
Guides through the installation process for EHV-CoDeSys and USB drivers.
Explains the initial startup procedure and environment settings for EHV-CoDeSys.
Details how to configure I/O modules, scan devices, and manage expansion units.
Describes I/O update settings during PLC operation and stop.
Explains Program Organization Units (POUs) and tasks in programming.
Covers the definition and usage of local and global variables in programming.
Guides on configuring Ethernet, USB, and Serial port communication settings.
Explains logging into the PLC for program download and online changes.
Details creating and downloading boot applications for persistent storage.
Describes methods for downloading and uploading source files to the PLC.
Explains CPU control operations and different reset types.
Guides on configuring global variables for network communication.
Covers supported function codes and configuration for Modbus communication.
Details functions, port settings, and LED indications of the EH-SIO module.
Explains how to install and use libraries for specific hardware and functions.
Provides guidance on identifying and resolving error codes displayed by the CPU.
Shows how to monitor the firmware version of the CPU module.
Covers selecting the installation location and environment for the PLC.
Provides instructions for installing and removing PLC modules from the base unit.
Details power system separation, fail-safe measures, and wiring procedures.
Outlines daily checks and periodic inspections for PLC system maintenance.
Discusses the lifespan of components like electrolytic capacitors and batteries.
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