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  3. OMRON 3G2A5-BC081

OMRON 3G2A5-BC081 Plc Backplane C500-BC081

3g2a5-bc081 Omron One Used Plc Backplane C500-bc081

( Brand: Omron ), ( Manufacturer Part Number: 3G2A5-BC081 )

Review OMRON One Used Plc Backplane

The **Omron CJ2M-C500-BC081 PLC Backplane (3G2A5-BC081)** is a high-performance, modular expansion module designed specifically for Omron s CJ2M Series Compact Programmable Logic Controllers (PLCs), serving as the critical foundation for scalable automation systems. This backplane is engineered to support the seamless integration of additional I/O modules, communication units, and specialized function blocks, enabling engineers to customize and expand their control architecture without compromising reliability or efficiency. Built with robust construction, the backplane features a high-density, backlit terminal block system that ensures secure and efficient wiring, reducing connection errors and simplifying maintenance. Its compact yet sturdy design allows for easy installation within the CJ2M series CPU units, such as the CJ2M-C500, while accommodating a wide range of Omron s BC-series modules, including discrete I/O, analog modules, high-speed counters, and communication interfaces like Ethernet/IP, DeviceNet, or Profibus. The backplane s modular nature facilitates future-proofing, allowing users to upgrade or modify their control system as operational demands evolve. With a focus on durability, the backplane is constructed from high-quality materials resistant to environmental stressors, ensuring long-term stability in industrial environments where temperature fluctuations, vibration, and electrical noise are common. Additionally, its compatibility with Omron s CJ2M programming software and tools streamlines configuration, diagnostics, and troubleshooting, making it an indispensable component for automation engineers seeking flexibility, scalability, and ease of integration in their control solutions. Whether deployed in manufacturing, process control, or automation applications, this backplane serves as the backbone of a versatile and expandable PLC system, delivering the performance and adaptability required for modern industrial automation challenges.

### **Pros and Cons of buying a Omron 3G2A5-BC081 PLC Backplane (C500-BC081)**

#### **Pros**

1. **Compatibility with CP1E and CP1H Series** The backplane is designed specifically for Omron s CP1E and CP1H PLC series, ensuring seamless integration with these controllers. This makes it ideal for users already invested in Omron s ecosystem.

2. **High Reliability and Durability** Omron is a well-established brand known for robust industrial automation components. The backplane is built to withstand harsh factory environments, reducing the risk of failure over time.

3. **Standardized Design** The C500-BC081 follows Omron s modular architecture, allowing for easy expansion by adding additional modules (e.g., I/O, communication, or special function modules) without major redesigns.

4. **Backward and Forward Compatibility** While primarily designed for CP1E/CP1H, it may also work with some older CP1L models (with firmware or hardware adjustments). Future Omron PLCs may also support it, depending on Omron s updates.

5. **Reduced Wiring Complexity** A backplane simplifies wiring by consolidating connections in a structured manner, reducing errors and improving maintainability.

6. **Support for High-Speed Processing** The CP1E/CP1H series is known for its fast scan times, and the backplane ensures efficient data transfer between modules, which is crucial for real-time applications.

7. **Ease of Maintenance** The modular design allows for quick replacement of faulty modules without dismantling the entire system, minimizing downtime.

8. **Omron s Technical Support** As an official Omron part, it comes with access to manufacturer support, documentation, and potential firmware updates.

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#### **Cons**

1. **Limited Availability and Lead Times** Omron components, especially older or specialized parts like backplanes, may not always be in stock. Purchasing may require ordering from authorized distributors, which can extend delivery times.

2. **Cost Considerations** Compared to generic or aftermarket backplanes, Omron s branded parts can be more expensive. For budget-conscious buyers, alternatives (e.g., third-party or refurbished units) may exist but could pose compatibility risks.

3. **Specific to CP1E/CP1H Series** If upgrading to a different Omron PLC series (e.g., CP2E, CP3E, or CJ series), this backplane may not be compatible, requiring a full replacement.

4. **Potential for Obsolescence** While not immediately obsolete, Omron occasionally discontinues older models. Future-proofing may require checking Omron s roadmap or considering newer backplane options.

5. **Wiring and Installation Complexity** While the backplane simplifies connections, improper installation (e.g., loose terminations, incorrect module placement) can lead to malfunctions. Users unfamiliar with Omron s wiring standards may need training.

6. **No Built-in Redundancy** Unlike some enterprise-grade systems, this backplane does not include fail-safe or redundant features, meaning a single module failure could disrupt operations until repaired.

7. **Dependence on Omron s Firmware** Some advanced features may require specific firmware versions. Outdated firmware could limit functionality or introduce compatibility issues.

8. **Physical Space Requirements** The backplane occupies rack space, which may be a constraint in compact installations. Users with space limitations may need to evaluate alternatives.

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### **Conclusion**

The **Omron 3G2A5-BC081 (C500-BC081) backplane** is a **high-quality, reliable choice** for users working with Omron s CP1E or CP1H PLC series. Its modular design, compatibility, and durability make it a strong option for industrial applications where uptime and maintainability are critical. However, its **limited availability, cost, and series-specific nature** may be drawbacks for some buyers, particularly those on tight budgets or planning long-term upgrades.

If you are **certain about using CP1E/CP1H PLCs** and prioritize **brand reliability and support**, this backplane is a **solid investment**. If cost or flexibility is a concern, exploring **alternative backplanes or newer Omron models** (e.g., CP2E series) may be worth considering.

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### **Recommendation**

- **Buy if:**

- You are using or planning to use **Omron CP1E or CP1H PLCs**.

- You value **long-term reliability and Omron s technical support**.

- Your budget allows for a **premium industrial component** with minimal risk of failure.

- You require **modular expandability** without frequent rewiring.

- **Avoid if:**

- You are working with **other Omron PLC series (e.g., CP2E, CJ2)** and compatibility is uncertain.

- You need **immediate availability** and are willing to compromise on brand support.

- Your application is **highly cost-sensitive**, and third-party or refurbished options are viable alternatives.

- You anticipate **upgrading to a newer PLC series soon**, making this backplane obsolete.

**Final Suggestion:** If possible, **verify compatibility with your exact PLC model and firmware version** before purchasing. Contact an **authorized Omron distributor** to confirm stock availability and potential lead times. If budget is a concern, compare it with **Omron s newer backplane options** (e.g., for CP2E series) to ensure you are making the most cost-effective choice.

Details:

ONE USED Omron Plc Backplane C500-BC081 3G2A5-BC081 Dear customer, there is one things need to be noticed before placing an order. It will just take you 1 minute. Return Police: All shipping charges are not negotiable.

DO REMEMBER SIGN YOUR RMA# on the front of package. Please leave a telephone number for on-time delivery. Return items should include the original packaging and all accessories. The Purchase History link on left side of page.

part #: 3g2a5bc081 prices

  • $47.99-$499.00

specifications automationjack:

  • brand: Omron
  • mpn: 3g2a5-bc081

shipping automationjack:

  • class: Standard
  • service: Standard
  • cost: $0.00
  • type: Fixed
  • transit: 4-10 Days

returns automationjack:

  • time: 14 Days
  • policy: Returns Accepted
  • paid by: Buyer
  • method: Money back

general automationjack:

  • Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
  • condition: Used

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offer automationjack:

  • sold: 0
  • quantity: 4
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  • availability: In Stock
  • options: Ship-to-home
  • started: May 11, 2026

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  • city: Walnut, California
  • rating: 100.0%
  • # reviews: 47
category: business & industrial > industrial automation motion controls > automation equipment, sku: 15484937171304663,
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