ALLEN BRADLEY 100S-C12EJ32C Box

( Brand: Allen Bradley ), ( Manufacturer Part Number: 100S-C12EJ32C ), ( Part Type: Box )

Review ALLEN BRADLEY 100 2ej32c No Box

The **Allen-Bradley 100S-C12EJ32C (100SC12EJ32C)** is a high-performance, compact industrial controller designed for demanding automation applications within the Rockwell Automation 100S series. This rugged, DIN-rail-mountable unit combines advanced processing power with flexible I/O capabilities, making it an ideal choice for machine control, process automation, and distributed control systems in manufacturing, packaging, material handling, and other industrial environments. Engineered with a robust, sealed enclosure rated for IP65 protection, the 100S-C12EJ32C ensures reliable operation in harsh conditions, including exposure to dust, moisture, and temperature fluctuations ranging from -20 C to 60 C (-4 F to 140 F). Its compact footprint, measuring approximately 120mm in width, 110mm in depth, and 100mm in height, allows for efficient space utilization in control panels while still accommodating a variety of expansion options.

At the heart of this controller is a high-speed, deterministic processor capable of executing complex control algorithms with minimal latency, ensuring precise timing for critical applications such as servo motor control, motion synchronization, or real-time data acquisition. The unit features **12 digital inputs (DI)** and **2 analog inputs (AI)** with configurable ranges, including 0 10V, 4 20mA, and thermocouple inputs, providing versatility for interfacing with a wide array of sensors and transducers. Additionally, it includes **2 relay outputs (RO)** and **2 transistor outputs (TO)**, offering flexible control over actuators, solenoids, and other low-power devices. The integrated **EtherNet/IP communication port** enables seamless integration into larger automation networks, allowing for high-speed data exchange with other controllers, HMIs, or SCADA systems, while the optional **DeviceNet** or **ControlNet** ports further enhance connectivity for distributed architectures.

The 100S-C12EJ32C operates under the **Studio 5000 Logix Designer** environment, a powerful development platform that simplifies programming, debugging, and monitoring through a user-friendly interface. Its **CIP (Common Industrial Protocol)** architecture ensures compatibility with Rockwell s extensive range of devices, including drives, safety systems, and I/O modules, while its **deterministic communication** guarantees predictable performance for time-sensitive applications. The controller also supports **remote I/O expansion**, allowing users to extend their system s reach with additional modules while maintaining centralized control logic. With built-in diagnostics and self-monitoring capabilities, the 100S-C12EJ32C provides real-time feedback on system health, reducing downtime and simplifying maintenance tasks.

Ideal for applications requiring both simplicity and scalability, the **100S-C12EJ32C** strikes a balance between affordability and advanced functionality, making it a cost-effective solution for mid-sized automation projects. Whether deployed in a standalone configuration or as part of a larger networked system, this controller delivers the reliability, flexibility, and performance required to meet the evolving demands of modern industrial automation. Its modular design, combined with Rockwell Automation s reputation for quality and support, ensures that engineers and technicians can deploy this unit with confidence, knowing it will deliver consistent, high-performance operation for years to come.

### **Pros and Cons of buying a Allen-Bradley 100S-C12EJ32C (100SC12EJ32C) Compact Logix Controller**

#### **Pros**

1. **Reliability and Durability**

The CompactLogix series, including the 100S-C12EJ32C, is known for its robust industrial-grade construction. It is designed to withstand harsh environments, including temperature fluctuations, vibration, and electrical noise, making it suitable for manufacturing, process control, and automation applications.

2. **High Performance and Processing Power**

This model features a **120 MHz processor** with **32 KB of user memory**, which is sufficient for moderate to complex control applications. It supports high-speed I/O, making it capable of handling real-time control tasks efficiently.

3. **Scalability and Flexibility**

The CompactLogix platform supports a wide range of I/O modules, communication protocols (EtherNet/IP, DeviceNet, ControlNet, etc.), and third-party integrations. This allows for easy expansion as application requirements grow.

4. **EtherNet/IP Communication**

Built-in **EtherNet/IP** connectivity enables seamless integration with other Allen-Bradley devices (such as drives, HMIs, and safety systems) and third-party equipment supporting the same protocol. This simplifies network design and reduces wiring complexity.

5. **Support for Advanced Programming**

The controller is compatible with **RSLogix 5000** or **Studio 5000** software, which provides powerful programming tools, including structured text, ladder logic, and function block diagrams. This makes it suitable for both simple and complex automation tasks.

6. **Compact and Space-Efficient Design**

The **100S series** is designed to be more compact than traditional PLCs, making it ideal for installations where space is limited. The **C12EJ32C** model includes **32 digital I/O points**, reducing the need for additional I/O modules in many applications.

7. **Long-Term Availability and Support**

Allen-Bradley (now part of Rockwell Automation) has a strong legacy in industrial automation, ensuring that parts, documentation, and technical support remain available for years. This reduces the risk of obsolescence.

8. **Energy Efficiency**

Modern CompactLogix controllers consume less power than older PLC models, contributing to lower operational costs and reduced heat generation in control panels.

---

#### **Cons**

1. **Limited User Memory**

The **32 KB of user memory** may be restrictive for very large applications requiring extensive logic, data tables, or high-speed control routines. Users may need to upgrade to a higher-end model (e.g., 1769-L32ER) if memory becomes a bottleneck.

2. **Cost Compared to Alternatives**

While the **100S-C12EJ32C** is competitively priced for a mid-range PLC, some newer or alternative brands (e.g., Siemens, Mitsubishi, or even some Chinese PLCs) may offer similar performance at a lower cost. However, reliability and long-term support must be weighed against price.

3. **Learning Curve for New Users**

Allen-Bradley s programming environment (RSLogix/Studio 5000) has a steeper learning curve compared to some simpler PLC brands. Engineers unfamiliar with ladder logic or structured text may require additional training.

4. **Dependence on Rockwell Ecosystem**

While EtherNet/IP is a robust protocol, it is proprietary to Rockwell Automation. This means integration with non-Rockwell devices may require additional gateways or converters, adding complexity and potential costs.

5. **Physical Size Limitations**

Although compact, the **100S series** is not as small as some micro-PLCs (e.g., Allen-Bradley Micro800 or smaller brands). For very low-I/O applications, a smaller controller might be more cost-effective.

6. **Potential for Higher Long-Term Maintenance Costs**

While reliable, Allen-Bradley PLCs can be more expensive to repair or replace compared to some generic brands. Users must consider maintenance budgets when evaluating long-term costs.

7. **Software Licensing Costs**

Full-featured programming software (Studio 5000) requires a license, which can be an additional expense for small businesses or startups. Free alternatives like **FactoryTalk View Studio** (for HMI) or **RSLogix Lite** (limited functionality) may not meet all requirements.

---

### **Conclusion**

The **Allen-Bradley 100S-C12EJ32C** is a **reliable, high-performance PLC** well-suited for industrial automation applications requiring **EtherNet/IP connectivity, moderate I/O, and structured programming**. Its strengths lie in **durability, scalability, and long-term support**, making it a solid choice for businesses that prioritize **proven technology and integration with Rockwell s ecosystem**.

However, **memory limitations, higher upfront costs compared to some alternatives, and a steeper learning curve** may be drawbacks for smaller projects or users with limited budgets. If the application is **simple, low-I/O, or cost-sensitive**, a smaller PLC (e.g., Micro800) or a different brand might be more appropriate.

For **mid-to-large industrial applications where reliability and expandability are critical**, the **100S-C12EJ32C remains a strong recommendation**, especially when integrated with other Rockwell Automation products.

### **Final Recommendation**

- You need a **durable, EtherNet/IP-enabled PLC** for industrial automation.

- Your application requires **moderate I/O (32 digital points) and structured programming**.

- You are already using **Rockwell Automation products** (e.g., drives, HMIs, or safety systems).

- Long-term **support and reliability** are priorities over cost savings.

- Your project is **small-scale or low-budget**, and a simpler PLC (e.g., Micro800) would suffice.

- You require **more user memory** than 32 KB and are open to higher-end models.

- You prefer **non-proprietary protocols** (e.g., Modbus) or a different brand with lower upfront costs.

For most **moderate to complex industrial control applications**, the **100S-C12EJ32C is a well-justified purchase** given its balance of performance, reliability, and integration capabilities.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use. Call to use a shipping service other than the ones listed. The product is used surplus.

part #: 100sc12ej32c prices

• $65.25-$268.00

specifications automationjack:

• brand: Allen Bradley
• mpn: 100s-c12ej32c
• part type: Box

shipping automationjack:

• type: Fixed
• cost: $12.90
• transit: 2-4 Days
• class: Standard
• service: Standard

payments automationjack:

• other
• credit card: Mastercard
• wallet: Paypal

general automationjack:

• condition: Seller refurbished
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

returns automationjack:

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

seller automationjack:

• rating: 99.6%
• # reviews: 192519
• city: 1 Millennium Dr, Willingboro, NJ 08046

offer automationjack:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: March 2, 2026

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