MITSUBISHI Q4ACPU Cpu Module 1PC

( Brand: Mitsubishi ), ( Manufacturer Part Number: Q4ACPU ), ( Part Type: Module ), ( Country Of Origin: Japan )

Review MITSUBISHI 1pc Series Cpu Module Tested In Good Condition

The **Mitsubishi Q4ACPU-1PC CPU Module** is a high-performance, industrial-grade computing solution designed to deliver robust processing power and seamless integration into Mitsubishi Electric s advanced automation and control systems. Part of the company s Q Series of modular controllers, this single-processor CPU module serves as the central brain for a wide range of applications, including PLC (Programmable Logic Controller) systems, motion control, and human-machine interface (HMI) integration. Engineered with reliability and efficiency in mind, the Q4ACPU-1PC is built to withstand demanding industrial environments, featuring a compact yet durable design that ensures long-term operational stability. Its advanced architecture supports high-speed data processing, real-time control, and seamless communication with other Mitsubishi devices, such as memory units, expansion modules, and external I/O systems, making it an ideal choice for factories, manufacturing plants, and automation-driven facilities.

At the heart of the Q4ACPU-1PC lies a powerful processing core optimized for Mitsubishi s **Q Series** software, including **GX Works3**, a user-friendly engineering environment that simplifies programming, debugging, and monitoring of automation tasks. The module supports a wide range of programming languages, such as **Ladder Logic (LD), Structured Text (ST), Function Block Diagram (FBD), and Sequential Function Chart (SFC)**, allowing engineers to implement complex control logic with ease. With its high-speed execution capabilities, the Q4ACPU-1PC ensures minimal latency, making it perfectly suited for applications requiring precise timing, such as CNC machines, robotic systems, and conveyor belt controls. Additionally, the module incorporates **Mitsubishi s proprietary communication protocols**, including **CC-Link, Ethernet/IP, and PROFINET**, enabling seamless interoperability with other industrial networks and devices, thereby enhancing overall system flexibility and scalability.

One of the standout features of the Q4ACPU-1PC is its **modular expandability**, allowing users to integrate additional memory units, communication interfaces, and I/O modules to meet specific application requirements. The module supports **up to 16GB of internal memory**, providing ample storage for program logic, data tables, and historical records, while also accommodating high-resolution graphics and large-scale HMI applications. Its robust **real-time clock (RTC)** functionality ensures accurate timekeeping, which is crucial for synchronized operations in multi-axis motion control systems. Furthermore, the Q4ACPU-1PC is designed with **industrial-grade reliability**, featuring a wide operating temperature range (typically **-10 C to 55 C**), resistance to electrical noise, and compliance with strict safety and environmental standards, including **IP20 protection** for basic dust and water ingress resistance. This makes it a dependable choice for harsh manufacturing environments where downtime is costly.

Beyond its technical specifications, the Q4ACPU-1PC is also distinguished by its **user-friendly interface and intuitive software tools**, which streamline the development, deployment, and maintenance of automation systems. Mitsubishi s **GX Works3** platform provides a comprehensive suite of tools for programming, simulation, and troubleshooting, reducing development time and minimizing errors. The module also supports **remote diagnostics and cloud connectivity**, enabling technicians to monitor system health, receive firmware updates, and perform maintenance tasks from off-site locations, thereby improving operational efficiency. Whether deployed in a small-scale automation setup or as part of a large-scale industrial control system, the Q4ACPU-1PC delivers a perfect blend of performance, flexibility, and reliability, making it a cornerstone for modern industrial automation solutions.

### **Pros and Cons of buying a Mitsubishi Q4ACPU-1PC CPU Module**

1. **Compatibility with Mitsubishi PLC Systems** The Q4ACPU-1PC is designed specifically for Mitsubishi s Q Series PLCs (such as Q120, Q140, Q180, and Q240 series), ensuring seamless integration with existing or new control systems.

2. **High Performance and Reliability** Mitsubishi is a well-established brand in industrial automation, known for durable and efficient CPU modules. This unit supports high-speed processing and robust communication protocols.

3. **Scalability** The Q4ACPU-1PC supports up to 1,024 points of I/O (depending on the system configuration), making it suitable for medium to large control applications.

4. **Advanced Communication Options** It includes built-in Ethernet (Modbus TCP, Ethernet/IP), serial (RS-232/422/485), and Profibus DP communication, allowing easy integration with HMIs, SCADA systems, and other devices.

5. **Energy Efficiency** Mitsubishi CPUs are designed to minimize power consumption while maintaining high performance, reducing operational costs.

6. **Easy Programming and Maintenance** Compatible with **GX Works 3** and **Factory Automation Software (FAS)**, Mitsubishi s programming environment is user-friendly and widely supported.

7. **Long-Term Availability** As a legacy but still widely used model, spare parts and technical support remain accessible, reducing long-term obsolescence risks.

8. **Modular Expansion** The CPU can be paired with various I/O modules, memory extensions, and communication modules, allowing system customization for specific applications.

9. **Industrial-Grade Durability** Built to withstand harsh environments (temperature, vibration, and electrical noise), making it suitable for manufacturing, automation, and process control industries.

10. **Cost-Effective for Mid-Range Applications** While not the cheapest option, it offers a balanced performance-to-price ratio for projects requiring reliable PLC control without the need for high-end CPUs.

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1. **Limited High-Speed Processing for Complex Tasks** Compared to newer or higher-end PLC CPUs (e.g., QnA series or FX5U), the Q4ACPU-1PC may struggle with extremely complex algorithms, high-speed motion control, or large-scale data processing.

2. **Outdated Technology Compared to Modern Alternatives** While still functional, it lacks some advanced features found in newer Mitsubishi CPUs, such as built-in safety functions (e.g., Safety Integrated), advanced diagnostics, or higher memory capacities.

3. **Deprecated Software Support** While still supported, newer versions of Mitsubishi s programming software may not offer the same level of optimization or features as those designed for newer CPUs.

4. **Higher Power Consumption Than Ultra-Low-Power CPUs** If energy efficiency is a critical factor, newer PLC models (e.g., FX5U or QnA series) consume less power while offering similar performance.

5. **Potential for Higher Long-Term Costs** If the system requires frequent upgrades or additional modules, the cumulative cost may exceed that of a more modern, scalable PLC architecture.

6. **Limited Cloud and IoT Integration** Unlike newer PLCs, the Q4ACPU-1PC has limited native support for cloud connectivity, predictive maintenance, or IoT applications, which may be a drawback for modern industrial trends.

7. **Learning Curve for New Users** Operators or engineers unfamiliar with Mitsubishi s Q Series may require additional training to fully utilize its features.

8. **Physical Size and Space Requirements** The Q4ACPU-1PC is a rack-mounted unit, which may require more panel space compared to compact or DIN-rail-mounted alternatives.

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The **Mitsubishi Q4ACPU-1PC** is a **reliable, mid-range PLC CPU** well-suited for **medium-sized automation projects** where compatibility with Mitsubishi s Q Series is essential. It excels in **industrial reliability, communication flexibility, and ease of programming**, making it a solid choice for applications such as:

- **Process control**

- **Machine automation**

- **Factory automation (discrete manufacturing)**

- **Systems requiring Modbus or Profibus communication**

However, if your project demands **high-speed processing, advanced safety features, cloud integration, or future scalability**, a **newer PLC model (e.g., QnA series, FX5U, or even third-party options like Siemens S7-1200 or Allen-Bradley Micro850)** may be a better long-term investment.

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- You are working within an **existing Mitsubishi Q Series PLC ecosystem** and need a cost-effective, reliable CPU.

- Your application does **not require cutting-edge features** (e.g., high-speed motion, advanced diagnostics, or cloud connectivity).

- You prioritize **proven durability and long-term spare part availability**.

- Your budget is **moderate**, and you do not need the latest performance enhancements.

- You need **higher processing speed, better memory, or advanced safety functions**.

- Your project involves **IoT, cloud integration, or predictive maintenance**.

- You anticipate **future expansion** that may require more modern communication protocols.

- You are starting a **new project** and want the flexibility of a **longer support lifecycle** from Mitsubishi.

For most **legacy or mid-sized automation systems**, the Q4ACPU-1PC remains a **practical and dependable choice**. However, if budget allows, evaluating a **newer Mitsubishi CPU or a competitive alternative** could provide better future-proofing.

Details:

New List Item. 1PC Mitsubishi Used A series CPU module Q4ACPU Tested in good condition, Item Specifics: model Q4ACPU, Brand Mitsubishi, MPN. Warranty Provided one year warranty for new item.

part #: q4acpu prices

• $390.42-$989.99

specifications sensoindustria:

• brand: Mitsubishi
• mpn: Q4acpu
• part type: Module
• country of origin: Japan

payments sensoindustria:

• credit card: Discover
• wallet: Paypal
• other

shipping sensoindustria:

• type: Fixed
• service: Standard
• cost: $0.00
• class: Standard
• transit: 7-14 Days

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

seller sensoindustria:

• # reviews: 877
• city: Union City, California
• rating: 98.8%

returns sensoindustria:

• paid by: Seller
• time: 30 Days
• method: Money back
• policy: Returns Accepted

offer sensoindustria:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: May 13, 2026
• sold: 0

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