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Marvo Part ID: MV-AY8I

£138.91 (ex. VAT)


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Specification Description
Part Number EH-BS8A
Alternative Part Number EHBS8A
Manufacturer Hitachi
Category General Automation
Series EHV+
Dimensions 109 x 372.5 x 100 mm
Programming and Data Memory 8MB
Ethernet Ports 2
Serial Communication RS-485
User Program Memory 8 MB
Data Memory (Non-Retain) 8 MB
Data Memory (Retain) 0.5 MB
Expansion Bases Maximum of 5
Expansion Distance Max. 2 m between bases, total max. 8 m
I/O Modules per Base Max. 11 (excluding power supply module and CPU module)
Maximum I/O 4,224 I/Os using 64 point I/O module
Bit Operation Processing Time Min. 1.0 ns
Double-Precision Floating Point Processing Time Min. 6.6 ns
Programming Languages IEC61131-3 compliant 5 languages (LD / FBD / SFC / IL / ST) + CFC (Continuous Function Chart)
I/O Updating Cycle Refresh processing
Features OPC-UA, Web visualization, NTP, FTP Server, EtherCAT Master, Modbus-TCP Client/Server, Modbus-RTU Master/Slave
Input/Output Interface Ethernet port, USB host, USB device
Realtime Clock Built-in RTC (deviation ±60 s / month at 25 °C)
Maintenance Functions Self-diagnosis (CPU error, Watch-dog timer error, Memory / Battery error, etc.)

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.


What countries can Marvo deliver to?

Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.


Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.


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Full warranty

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Priority delivery

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Committed to you

Engineered to ensure that you always have a quick, easy and reliable place to source automation and control components.

EH-BS8A Product Description

The Hitachi EH-BS8A is a state-of-the-art programmable controller from the EHV+ Series, designed to meet the complex demands of modern industrial automation. With dimensions of 109 x 372.5 x 100 mm, this controller is compact yet robust, making it suitable for a variety of applications where space is at a premium but performance cannot be compromised.

Crafted for versatility, the EH-BS8A boasts a fan-less and battery-less design, ensuring reduced maintenance costs and a longer operational lifespan. The use of non-volatile memory for both program and data storage provides resilience against sudden power failures, safeguarding your critical manufacturing data.

The controller is engineered with a focus on ease of use and software development cost reduction. It employs CODESYS, a globally accepted, standardized programming software that is user-friendly for both PLC beginners and seasoned computer system engineers. This allows for seamless integration and common variable naming across PLC, HMI, and SCADA systems, streamlining the development process.

Security is a priority with the EH-BS8A, featuring robust data protection measures to block unauthorized access, remote login connections, and prevent malicious data hacking. User management is enhanced with login authentication, user and group control, and setting access authority, ensuring that only authorized personnel can make changes to the system.

The Hitachi EH-BS8A is an ideal solution for businesses looking to modernize their control systems with a reliable, secure, and easy-to-use programmable controller. Its advanced features and compact design make it a smart choice for a wide range of industrial automation tasks.

Frequently Asked Questions

What are the dimensions of the EH-BS8A programmable controller?

The dimensions of the EH-BS8A programmable controller are 109 mm in height, 372.5 mm in width, and 100 mm in depth.

Can the EH-BS8A controller's memory be expanded?

The EH-BS8A comes with a fixed amount of user program memory and data memory. For more details on memory expansion options, please refer to the specific model's datasheet or contact technical sales.

What programming languages are supported by the EH-BS8A?

The EH-BS8A supports five programming languages that are compliant with the IEC61131-3 standard, which includes Ladder Logic Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL), and Sequential Function Chart (SFC).

Does the EH-BS8A have any special features for data protection?

Yes, the EH-BS8A features several data protection mechanisms such as unauthorized access detection, remote login connection blocking, and user management to control access permissions.

Is the EH-BS8A equipped with an SD card slot for data logging?

Yes, the EH-BS8A has a removable SD card slot which provides a secure and simple way to maintain large data volumes for data logging.

Can the EH-BS8A be used for motion control applications?

The EH-BS8A is part of a series that can be used for motion control applications when combined with the appropriate modules and programming. Specific models within the series offer PLCopen based motion control function blocks for advanced motion control.

What type of power supply is required for the EH-BS8A?

The EH-BS8A requires a power supply module, which can be either an AC power supply ranging from 100 to 240 V or a DC power supply of 24 V, depending on the specific power supply module used with the controller.

How can I ensure secure remote access to the EH-BS8A?

The EH-BS8A supports web visualisation, which allows for easy remote access to the controller through a web browser, ensuring secure and convenient monitoring and control.

What is the maximum number of I/O modules that can be connected to the EH-BS8A?

The EH-BS8A can support a maximum of 11 I/O modules per base, excluding the power supply module and CPU module.

Does the EH-BS8A support Ethernet communication?

Yes, the EH-BS8A comes with Ethernet ports that support various communication protocols and can be used for network communication and core controls required for automated machines and production facilities.