OMRON CQM1-OC224-1 Plc Module Relay Board Board. U-922

( Brand: Omron ), ( Manufacturer Part Number: CQM1-OC224-1 ), ( Type: Plc Output Module )

Review OMRON Plc Output Module Relay Board.

The **Omron CQM1-CQ224-1 PLC Module Relay Board (U-922)** is a high-performance, compact industrial relay output module designed to integrate seamlessly into Omron s CQM1 series programmable logic controllers (PLCs), providing robust and reliable control solutions for automation applications. Engineered with precision and built to withstand demanding environments, this module features a **24-volt DC relay output configuration**, delivering a total of **224 relay contacts** arranged in a **24-point, 9.6mm pitch terminal block**, making it ideal for applications requiring high-density control signaling. Each relay is individually isolated, ensuring optimal protection against electrical noise and voltage spikes, while its **normally open (NO) or normally closed (NC) switching capability** offers flexibility in control logic implementation. The module s **low power consumption** and **high switching capacity** with a contact rating of **10A at 250V AC or 30V DC** make it suitable for driving a wide range of actuators, solenoids, indicators, and other low-power loads in industrial machinery, manufacturing processes, and automation systems. Its **compact, DIN-rail mountable design** allows for efficient space utilization in control panels, while the **LED status indicators** provide real-time feedback on relay activation, simplifying troubleshooting and system monitoring. Built to meet stringent industrial standards, including **IP20 protection**, the CQM1-CQ224-1 ensures durability in environments with moderate dust and moisture exposure, further enhancing its reliability in continuous operation. Whether deployed in discrete manufacturing, process automation, or building control systems, this relay module serves as a dependable bridge between the PLC s logic processing and the physical actuators, delivering precise, repeatable control with minimal maintenance requirements.

The **Omron CQM1-CQ224-1** is a programmable logic controller (PLC) module designed for industrial automation, specifically a **relay output module** (U-922 series). Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Omron CQM1-CQ224-1 (Relay Output Module)**

1. **High Reliability and Durability**

The Omron CQM1 series is known for its robust construction, designed to withstand harsh industrial environments. The relay module is built with high-quality components that ensure long-term operation, even in conditions with temperature fluctuations, vibration, or electrical noise.

2. **Compatibility with Omron CQM1 PLC Series**

This module is specifically designed for the **Omron CQM1** PLC platform, ensuring seamless integration with other CQM1 modules (input/output, communication, etc.). This compatibility reduces the risk of compatibility issues and simplifies system design.

3. **Wide Voltage and Current Ratings**

The module supports **24V DC or 110V/220V AC** relay outputs, making it versatile for controlling a variety of actuators such as motors, solenoids, contactors, and indicators. The current rating (typically 2A per relay) is sufficient for most standard industrial applications.

4. **Isolation and Safety Features**

Each relay output is **electrically isolated**, reducing the risk of ground loops and improving safety. This isolation also protects the PLC from back-EMF or voltage spikes generated by connected loads.

5. **Easy Installation and Wiring**

The module features a **D-sub connector** for wiring, which is straightforward to work with. The relay contacts are designed for easy connection to external devices, and the module can be mounted in a standard Omron CQM1 rack.

6. **Support for Omron s Programming Environment**

The module works with **Omron s CX-Programmer** software, which provides a user-friendly interface for programming, debugging, and monitoring PLC operations. This software is widely used in industrial automation, making it easier to find support and training resources.

7. **Modular and Scalable System**

The CQM1 series allows for easy expansion by adding more I/O modules as needed. This modularity makes it ideal for projects where requirements may evolve over time.

8. **Good Documentation and Support**

Omron provides comprehensive technical documentation, including wiring diagrams, datasheets, and troubleshooting guides. Their global support network ensures that users can access assistance when needed.

9. **Industrial-Grade Protection**

The module is designed to operate within a **wide temperature range** (typically -10 C to 60 C) and has protection against overvoltage, short circuits, and other electrical faults.

10. **Backward and Forward Compatibility**

The CQM1 series is part of Omron s evolving PLC lineup, and while it may not be the latest model, it remains a reliable choice for many applications. Omron often supports older models for extended periods, ensuring long-term availability of spare parts.

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### **Cons of the Omron CQM1-CQ224-1 (Relay Output Module)**

1. **Outdated Technology Compared to Modern PLCs**

- Higher processing speeds

- Built-in communication protocols (Ethernet/IP, PROFINET, Modbus TCP)

- More I/O options (analog, high-speed counters, etc.)

- Better integration with modern SCADA and cloud systems

If future-proofing is a concern, the CQM1 may limit scalability.

2. **Limited Communication Options**

The CQM1 series primarily relies on **serial communication (RS-232/RS-485)** for programming and data transfer. Modern industrial networks (Ethernet, wireless) are not natively supported, which can be a drawback in networks requiring real-time data exchange.

3. **Higher Cost per I/O Point Compared to Competitors**

While Omron is a reputable brand, the CQM1 series can be **more expensive** than alternatives from other manufacturers (e.g., Siemens, Allen-Bradley, or Mitsubishi). For large systems, the cost of I/O modules may add up quickly.

4. **Learning Curve for New Users**

Omron s programming environment (CX-Programmer) has a **steeper learning curve** compared to some competitors. Users unfamiliar with ladder logic or Omron s syntax may require additional training.

5. **Limited Analog I/O Options**

If the application requires **analog inputs/outputs**, the CQM1 series may require additional modules, increasing complexity and cost. Newer PLCs often include analog I/O as standard or optional.

6. **Physical Size and Rack Space**

The CQM1 modules occupy **more rack space** compared to some compact or integrated PLC solutions. This can be a consideration in space-constrained environments.

7. **Deprecation Risk Over Time**

While Omron supports the CQM1 series, there is a risk that **spare parts and software updates** may become less available as newer PLCs dominate the market. This could lead to higher long-term costs for maintenance.

8. **No Built-in Safety Functions**

Unlike some newer PLCs, the CQM1 does not natively support **safety-rated I/O** or built-in safety protocols (e.g., SIL 2/3). Applications requiring safety certification may need additional hardware.

9. **Slower Processing Speed**

Compared to modern PLCs, the CQM1 has **lower scan speeds**, which may not be an issue for simple applications but could be a limitation in high-speed control scenarios.

10. **Limited Support for Modern Protocols**

The lack of support for **Ethernet-based protocols** (e.g., OPC UA, MQTT) or **cloud connectivity** may restrict integration with modern industrial IoT (IIoT) systems.

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### **Conclusion**

The **Omron CQM1-CQ224-1 relay output module** is a **reliable, well-supported, and durable** choice for industrial automation applications, particularly if you are already using the Omron CQM1 PLC platform. Its strengths lie in **robustness, compatibility, and ease of use** within Omron s ecosystem. However, its **outdated technology, limited communication options, and higher cost** compared to newer PLCs make it less ideal for applications requiring advanced features, modern networking, or long-term scalability.

If your project is **small to medium-sized, requires simple relay control, and operates within a controlled environment**, the CQM1-CQ224-1 is a **solid and cost-effective** option. However, if you anticipate **future expansion, need modern communication protocols, or require high-speed processing**, investing in a newer PLC series (e.g., CP1E, CJ2M) would be more beneficial.

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### **Recommendation**

- You are already using the Omron CQM1 PLC system and need additional relay outputs.

- Your application is **simple, low-speed, and does not require advanced networking**.

- You prioritize **reliability, compatibility, and long-term availability** of spare parts.

- Your budget allows for a **proven, industrial-grade** solution without the need for cutting-edge features.

- You need **Ethernet/IP, PROFINET, or Modbus TCP** for modern industrial networks.

- Your application requires **analog I/O, high-speed counters, or safety-rated outputs**.

- You plan to **scale the system significantly** in the future.

- You want **lower cost per I/O point** and are open to other PLC brands (e.g., Siemens 224, Allen-Bradley Micro800, or Mitsubishi FX series).

- You need **cloud connectivity, IoT integration, or advanced diagnostics**.

For **new projects**, evaluating newer Omron PLCs (e.g., **CP1E, CP2E, or CJ2M**) or competitive brands may offer better long-term value. However, for **legacy systems or applications where the CQM1 is already in use**, the CQM1-CQ224-1 remains a **practical and dependable** choice.

Details:

The Omron CQM1-OC224-1 PLC Output Module Relay Board is a specific module designed for use in industrial automation and motion control systems. As part of the Omron brand, known for its reliability and quality, this output module is capable controlling various relays to manage operation different machinery equipment. With its model number CQM1-OC224-1, this module is compatible with specific PLC systems and ensures efficient precise control of output devices. Ideal for businesses seeking precise automation and control in their industrial processes, the Omron CQM1-OC224-1 PLC Output Module Relay Board is a valuable component any manufacturing or production system.

part #: cqm1oc2241 prices

• $149.99-$352.49

specifications sensoindustria:

• brand: Omron
• mpn: Cqm1-oc224-1
• type: Plc Output Module

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• started: March 4, 2026
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• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
• condition: Used

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