Mitsubishi Electric A172SHCPUN A173UHCPU Programming Manual

Mitsubishi Electric A172SHCPUN A173UHCPU manual cover
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Mitsubishi Electric A172SHCPUN A173UHCPU Specification

The Mitsubishi Electric A172SHCPUN and A173UHCPU are advanced programmable logic controllers (PLCs) designed for high-performance industrial automation applications. These models are part of Mitsubishi's renowned MELSEC series, known for reliability and scalability in various manufacturing environments.

The A172SHCPUN CPU module operates with a 16-bit microprocessor, delivering efficient processing capabilities suitable for complex control tasks. It supports a range of I/O modules and communication networks, making it adaptable to diverse industrial setups. With ample program memory and data storage, it ensures smooth execution of extensive control programs.

The A173UHCPU, on the other hand, is engineered for enhanced performance with a 32-bit RISC processor, offering faster processing speeds and improved computational efficiency. This model facilitates advanced data handling and execution of intricate algorithms, making it ideal for applications requiring high-speed processing and precision control. It supports extensive networking options, including Ethernet and fieldbus systems, enabling seamless integration into modern industrial networks.

Both CPU units feature robust diagnostic and monitoring capabilities, ensuring minimal downtime and efficient maintenance. They are equipped with user-friendly programming interfaces, compatible with Mitsubishi's GX Developer and GX Works2 software, providing intuitive programming and debugging environments. These PLCs support various programming languages, including ladder logic and structured text, allowing flexibility in application design.

Designed for durability, the A172SHCPUN and A173UHCPU are housed in rugged enclosures, capable of withstanding harsh industrial conditions. They offer reliable operation across a wide temperature range, ensuring consistent performance in demanding environments. These Mitsubishi PLCs represent a blend of innovation and reliability, catering to the evolving needs of industrial automation.

Mitsubishi Electric A172SHCPUN A173UHCPU F.A.Q.

How do I perform a factory reset on the Mitsubishi Electric A172SHCPUN?

To perform a factory reset, power off the CPU unit, set the 'Initialize' switch to 'ON', and power on the unit. Hold for about 5 seconds, then switch back to 'OFF'.

What steps should I follow to troubleshoot communication errors on A173UHCPU?

Check the communication cable connections, ensure correct baud rate settings, verify the network configuration, and inspect for any hardware issues on the communication ports.

How can I update the firmware of the A172SHCPUN CPU?

Download the latest firmware from Mitsubishi's official website, connect the CPU to a PC using the appropriate cable, and use the supplied software tool to upload the firmware.

What is the procedure for backing up the program on an A173UHCPU?

Connect the CPU to a computer via the programming cable, open the programming software, navigate to the backup function, and save the program file to your computer.

How do I clear error codes on the Mitsubishi Electric A172SHCPUN?

Identify the error code using the diagnostic display, resolve the issue indicated by the code, and then use the reset function on the CPU or through the programming software.

What maintenance practices should be regularly performed on the A173UHCPU?

Regularly inspect for dust build-up, ensure proper ventilation, check for loose connections, and update the software as per the manufacturer's recommendations.

Can I expand the memory of my A172SHCPUN CPU, and if so, how?

Yes, the memory can be expanded by installing additional memory modules compatible with the A172SHCPUN, following the installation guidelines provided in the manual.

What should I do if the A173UHCPU does not power on?

Check the power supply connections, ensure the voltage is within the specified range, inspect for any blown fuses, and verify the power switch is in the correct position.

How can I test the input/output modules connected to the A172SHCPUN?

Use the built-in diagnostics tools in the programming software to perform a test on each I/O module, checking for proper signal transmission and reception.

What are the common causes of overheating in A173UHCPU, and how can they be prevented?

Common causes include poor ventilation, excessive dust, and high ambient temperatures. Prevent overheating by ensuring adequate airflow, regular cleaning, and maintaining an optimal operating environment.