ALLEN BRADLEY 100-C55EJ10 Automation

( Brand: Allen Bradley ), ( Manufacturer Part Number: 100-C55EJ10 )

Review ALLEN BRADLEY 100c55ej10 Used

The **Allen-Bradley 100-C55EJ10** is a high-performance, industrial-grade **CompactLogix 5500** controller module designed for demanding automation applications requiring robust processing power, advanced communication capabilities, and seamless integration into modern control systems. Part of Rockwell Automation s **CompactLogix** series, this **100-C55EJ10** model is specifically engineered as a **10-slot backplane chassis**, providing a scalable and modular foundation for complex control architectures. With its **EtherNet/IP** and **DeviceNet** communication ports, this controller facilitates high-speed data exchange with field devices, PLCs, and enterprise systems, ensuring real-time responsiveness and efficient network integration. The **100-C55EJ10** is built on a **PowerPC-based processor** with a **100 MHz clock speed**, delivering superior computational performance to handle intricate control logic, motion control, and high-speed I/O processing with ease. Its **10-slot backplane** accommodates a variety of **CompactLogix I/O modules**, expansion modules, and communication modules, allowing engineers to customize the system architecture to meet specific application requirements, whether for discrete manufacturing, process control, or hybrid automation environments.

This controller is equipped with **dual Gigabit Ethernet ports**, enabling high-bandwidth communication for applications requiring large data transfers, such as vision systems, HMI integration, or cloud-based monitoring. The **100-C55EJ10** also supports **EtherNet/IP Scaled or Full Mesh networking**, allowing for flexible and redundant communication topologies to enhance system reliability. Additionally, it features **built-in security capabilities**, including **I/O security** and **firmware encryption**, to protect against unauthorized access and ensure data integrity in industrial environments. The **CompactLogix 5500** platform is fully compatible with **Rockwell Automation s Studio 5000 Logix Designer**, providing a powerful development environment for programming, debugging, and troubleshooting control logic using **Ladder Logic, Structured Text, Function Block Diagram, or Sequential Function Chart**. The **100-C55EJ10** is housed in a **durable, industrial-grade enclosure** designed to withstand harsh conditions, including temperature fluctuations, vibration, and electrical noise, making it ideal for use in manufacturing plants, oil and gas facilities, water treatment systems, and other demanding industrial settings.

Beyond its technical specifications, the **100-C55EJ10** is a strategic investment for automation engineers seeking a **future-proof, scalable solution** that supports both legacy and next-generation technologies. Its **high-speed processing**, **extensive communication options**, and **modular expandability** make it a versatile choice for applications ranging from **machine automation** to **distributed control systems**. Whether deployed as a standalone controller or integrated into a larger **ControlLogix** or **PowerFlex** system, the **100-C55EJ10** delivers the performance, reliability, and flexibility required to optimize productivity and operational efficiency in today s competitive industrial landscape. With its seamless integration with **Rockwell s ecosystem of devices and software**, this controller ensures a cohesive, high-performance automation solution that adapts to evolving industry demands.

### **Pros and Cons of buying a Allen-Bradley 100-C55EJ10 (100C55EJ10) PLC Module**

The **Allen-Bradley 100-C55EJ10** is a compact, high-performance programmable logic controller (PLC) designed for industrial automation. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

---

### **Pros**

1. **High Performance and Speed**

- The **100-C55EJ10** is part of the **CompactLogix 5500 series**, which offers **faster scan times** compared to older PLC models. It supports **high-speed I/O, motion control, and advanced communication protocols**, making it suitable for complex automation tasks.

- The **EJ10** variant includes **enhanced Ethernet connectivity**, improving real-time data transfer for applications requiring high-speed communication (e.g., CNC machines, robotics, or process control).

2. **Scalability and Flexibility**

- The **CompactLogix 5500** platform allows for **easy expansion** with additional I/O modules, communication ports, and advanced features like **Profinet, EtherNet/IP, and Modbus**.

- Supports **up to 128K words of user memory**, providing ample space for large control programs, data logging, and historical trend analysis.

3. **Advanced Communication Capabilities**

- Built-in **EtherNet/IP, Profinet, and USB ports** enable seamless integration with **HMI (Human-Machine Interface) systems, SCADA, and enterprise networks**.

- Supports **remote I/O and distributed control architectures**, reducing wiring complexity in large-scale systems.

4. **Reliability and Durability**

- Allen-Bradley PLCs are known for their **industrial-grade build quality**, with **wide operating temperature ranges (-40 C to 60 C)** and **high resistance to electrical noise**.

- The **100-C55EJ10** includes **redundant power supply options** and **fault-tolerant design**, reducing downtime in critical applications.

5. **Software Compatibility and Development Tools**

- Works seamlessly with **Rockwell Automation s Studio 5000 software**, which includes **RSLogix 5000, FactoryTalk View, and other development tools**.

- Supports **structured text, ladder logic, and function block programming**, making it accessible for both experienced engineers and beginners.

6. **Cost-Effective for Mid-to-Large Applications**

- While not the cheapest PLC on the market, the **100-C55EJ10** offers **better performance than smaller CompactLogix models (e.g., 1769-L30ER)** at a reasonable price for **mid-sized automation projects**.

- Reduces the need for additional hardware (e.g., separate motion controllers) due to built-in **high-speed counters and analog I/O**.

7. **Support for Advanced Features**

- Includes **built-in motion control capabilities** (via **DriveNetX motion**), reducing the need for external motion controllers.

- Supports **safety-rated outputs (up to Category 3, SIL 2)** for basic safety applications, though more advanced safety features may require additional modules.

---

### **Cons**

1. **Higher Upfront Cost Compared to Entry-Level PLCs**

- The **100-C55EJ10** is **more expensive** than basic PLCs like **Allen-Bradley 1769-L30ER or Siemens LOGO!** or **Siemens S7-1200**.

- For **small-scale or simple automation tasks**, a cheaper PLC (e.g., **Micro800 or MicroLogix**) may suffice.

2. **Complexity for Beginners**

- The **Studio 5000 software** has a **steeper learning curve** compared to simpler PLC programming environments.

- Requires **more training** to fully utilize advanced features like **Profinet, motion control, or structured text programming**.

3. **Dependency on Rockwell Automation Ecosystem**

- If your system requires **third-party integration** (e.g., non-Rockwell HMIs, PLCs from Siemens, Mitsubishi, or Schneider), compatibility may require **additional gateways or converters**.

- **Licensing costs** for full Studio 5000 functionality can add to long-term expenses.

4. **Limited Analog and High-Speed I/O in Base Model**

- The **100-C55EJ10** has **limited built-in analog I/O (4 AI/2 AO)**. For applications requiring **more analog signals**, additional modules (e.g., **1769-AIB**) must be purchased.

- High-speed I/O (e.g., **1769-HSB**) is **not included** and must be added separately.

5. **Power Consumption and Heat Dissipation**

- The **CompactLogix 5500 series** consumes **more power** than smaller PLCs, requiring **proper cooling** in enclosed environments.

- In **high-ambient-temperature environments**, additional cooling solutions may be needed.

6. **Potential for Overkill in Simple Applications**

- If your application only requires **basic on/off control, simple sequencing, or a few analog inputs**, a **smaller PLC (e.g., Micro800 or S7-1200)** would be **more cost-effective**.

- The **100-C55EJ10 s full feature set** (e.g., motion control, Profinet) may go unused, increasing unnecessary complexity.

7. **Maintenance and Spare Parts Availability**

- While Allen-Bradley is a **well-established brand**, **older models may have limited spare parts** compared to newer ones.

- **Deprecation risk**: Rockwell Automation occasionally **discontinues older models**, which could affect long-term support.

---

### **Conclusion**

The **Allen-Bradley 100-C55EJ10** is a **strong choice for mid-to-large industrial automation applications** that require **high performance, advanced communication, and scalability**. It excels in **complex control systems, motion applications, and networked environments** where **EtherNet/IP and Profinet** are essential.

However, for **small-scale, budget-conscious, or simple automation tasks**, a **less expensive PLC (e.g., Micro800, S7-1200, or even a Siemens LOGO!)** may be a **more practical and cost-effective solution**. The **100-C55EJ10 s advanced features come at a premium**, making it less ideal for **basic control systems**.

If you **need high-speed I/O, motion control, or enterprise-level networking**, the **100-C55EJ10 is a reliable and powerful investment**. Otherwise, **consider a smaller, more affordable PLC** to reduce costs without sacrificing functionality for your specific application.

---

### **Recommendation**

- You require **high-speed control, motion applications, or advanced networking (Profinet/EtherNet/IP)**.

- Your project involves **large-scale automation with multiple I/O expansions**.

- You are already using **Rockwell Automation s ecosystem** (e.g., Studio 5000, FactoryTalk View).

- Budget constraints allow for a **mid-to-high-end PLC investment**.

- Your application is **simple (e.g., basic motor control, relay logic)** and can be handled by a **smaller PLC**.

- You are working with **non-Rockwell systems** and need **third-party compatibility**.

- **Cost is a major concern**, and a **cheaper alternative (e.g., Micro800, S7-1200, or Siemens LOGO!)** meets your requirements.

- You lack **experience with Studio 5000**, as the learning curve may be steep.

For **optimal performance**, pair the **100-C55EJ10 with compatible I/O modules** (e.g., **1769-HSB for high-speed, 1769-AIB for analog**) and ensure your **network infrastructure supports Profinet/EtherNet/IP**. If unsure, consult an **automation specialist** to verify if this PLC aligns with your project s needs.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: 100c55ej10 prices

• $259.95-$429.09

specifications automationjack:

• brand: Allen Bradley
• mpn: 100-c55ej10

shipping automationjack:

• transit: 29-34 Days
• class: Standard
• service: Standard
• cost: $12.90
• type: Fixed

offer automationjack:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: April 17, 2026
• quantity: 1

payments automationjack:

• credit card: Visa
• other
• wallet: Apple-pay

seller automationjack:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%
• # reviews: 1997 80

returns automationjack:

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

general automationjack:

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

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