ALLEN BRADLEY 100S-C43D14C Automation

( Brand: Allen Bradley ), ( Manufacturer Part Number: 100S-C43D14C )

Review ALLEN BRADLEY 100sc43d14c Used

The **Allen-Bradley 100S-C43D14C (or 100SC43D14C)** is a high-performance, compact industrial controller designed for demanding automation applications within the **Rockwell Automation CompactLogix 100 Series** platform. This modular, programmable logic controller (PLC) is engineered to deliver robust, scalable, and reliable control solutions for a wide range of manufacturing, process, and discrete automation environments. Built with Rockwell s signature precision engineering, the **100S-C43D14C** features a **43-point digital I/O module** with **14 discrete inputs and 29 discrete outputs**, providing a versatile foundation for interfacing with sensors, relays, switches, and other binary control devices. Its **compact, DIN-rail mountable design** ensures efficient space utilization in control panels, while its **176-pin terminal block** allows for straightforward wiring and easy field modifications, reducing downtime and installation complexity. The module operates within a **wide temperature range of -40 C to 70 C**, making it suitable for harsh industrial environments, including those exposed to temperature fluctuations, vibration, and moisture. Powered by a **24V DC or 120/240V AC** supply (depending on the system configuration), the **100S-C43D14C** integrates seamlessly with the **CompactLogix 100 Series CPU**, leveraging Rockwell s **Studio 5000** software for intuitive programming, monitoring, and diagnostics. Its **high-speed, deterministic I/O performance** ensures real-time responsiveness, critical for applications requiring precise timing and synchronization, such as conveyor systems, packaging machinery, or material handling processes. Additionally, the module supports **Rockwell s Safety over Ethernet (SoE)** and **Safety Integrity Level (SIL) 3** certifications when paired with compatible safety components, enhancing its suitability for applications demanding compliance with stringent safety standards. With its **backward and forward compatibility** across Rockwell s ecosystem, the **100S-C43D14C** serves as a cost-effective upgrade path for existing systems while maintaining full integration with newer automation technologies. Whether deployed in a small-scale automation project or as part of a larger, distributed control architecture, this module exemplifies Rockwell Automation s commitment to delivering **durable, efficient, and future-proof control solutions** tailored to the evolving needs of modern industrial automation.

### **Pros and Cons of buying a Allen-Bradley 100S-C43D14C (100SC43D14C) Compact Logic Controller**

#### **Pros**

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

The 100S series is part of Rockwell Automation s compact line, making it ideal for applications with limited panel space. Its small footprint allows for easier integration into existing control systems without requiring significant modifications.

2. **High Reliability and Durability**

Allen-Bradley (now part of Rockwell Automation) is a well-established brand known for robust industrial automation components. The 100S-C43D14C is designed for harsh environments, with features like vibration resistance and protection against electrical noise, ensuring long-term operation in factory settings.

3. **Scalability and Flexibility**

The controller supports up to 14 digital I/O points (4 inputs, 3 outputs, and 7 additional I/O slots) and can be expanded with optional modules. This modularity allows users to adapt the system as their automation needs evolve without replacing the entire unit.

4. **Easy Programming with Studio 5000**

The 100S series is compatible with Rockwell s Studio 5000 software, which provides a user-friendly environment for ladder logic (PLC programming). This software is widely used in industrial automation, making it easier to find support and training resources.

5. **Low Power Consumption**

Compared to larger PLCs, the 100S series consumes minimal power, reducing operational costs and heat generation. This is particularly beneficial for applications where energy efficiency is a priority.

6. **Cost-Effective for Small to Medium Applications**

For simple control tasks such as motor starting, sequencing, or basic process automation, the 100S-C43D14C offers a cost-effective alternative to larger, more expensive PLCs. It eliminates the need for over-engineering while still delivering reliable performance.

7. **Compatibility with Rockwell Ecosystem**

The controller integrates seamlessly with other Rockwell products, such as drives, HMIs, and safety systems. This compatibility simplifies system integration and reduces the need for third-party components, lowering overall project complexity.

8. **Quick Deployment and Setup**

The 100S series is designed for rapid installation, with plug-and-play connectivity for common industrial protocols (e.g., Ethernet/IP, DeviceNet). This reduces downtime during commissioning and maintenance.

9. **Support for Advanced Features**

Despite its compact size, the 100S-C43D14C supports features like pulse-width modulation (PWM) outputs, which can be useful for controlling motors or other devices with variable speed requirements.

10. **Warranty and Technical Support**

As a Rockwell Automation product, the 100S-C43D14C comes with standard manufacturer warranties and access to Rockwell s global support network. This ensures that troubleshooting, spare parts, and firmware updates are readily available.

---

#### **Cons**

1. **Limited I/O Capacity**

The base model (C43D14C) only includes 14 I/O points, which may be insufficient for complex applications requiring hundreds of inputs/outputs. Users with extensive I/O needs may need to invest in additional expansion modules, increasing costs.

2. **No Built-In Analog Inputs/Outputs**

Unlike some other PLC models, the 100S-C43D14C does not include analog I/O by default. Applications requiring analog signals (e.g., temperature, pressure, or flow control) will need to purchase separate analog modules, adding to the system s complexity and expense.

3. **Basic Communication Options**

While the 100S series supports Ethernet/IP and DeviceNet, it lacks some of the advanced communication protocols found in higher-end PLCs (e.g., Modbus TCP, Profibus, or Profinet). This may limit compatibility with certain third-party devices or legacy systems.

4. **Software Dependency on Studio 5000**

Programming and configuration are tied to Rockwell s Studio 5000 software, which may require a license. While this software is powerful, it can be expensive for small businesses or individual users. Open-source or third-party alternatives (e.g., PLCLogix or CodeSys) are not natively supported.

5. **Limited Expansion Beyond Basic I/O**

While the 100S series supports expansion, the range of available modules is more limited compared to larger PLC families. Users may find fewer specialized modules (e.g., high-speed counters, communication co-processors) compared to, for example, the Allen-Bradley ControlLogix or CompactLogix series.

6. **Potential Obsolescence Risks**

Rockwell Automation occasionally phases out older product lines in favor of newer technologies (e.g., the 1769 series). While the 100S series is still supported, long-term availability of spare parts or updates cannot be guaranteed, which could pose risks for legacy systems.

7. **Learning Curve for New Users**

For those unfamiliar with Rockwell Automation s software or industrial PLC programming, the 100S series may require a learning curve. Basic ladder logic is straightforward, but more complex applications may demand additional training or expertise.

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

The 100S-C43D14C is not designed for safety-critical applications. For machinery safety (e.g., emergency stops, light curtains), users must integrate separate safety PLCs or relays, adding to system complexity and cost.

9. **Limited Diagnostic Capabilities**

Compared to higher-end PLCs, the 100S series offers fewer built-in diagnostic tools. Troubleshooting may require more manual intervention or reliance on external monitoring systems.

10. **Physical Size Still Requires Panel Space**

While compact, the 100S series still occupies more space than microcontrollers or single-board PLCs (e.g., some Siemens or Mitsubishi models). In extremely space-constrained environments, alternatives may be more suitable.

---

### **Conclusion**

The **Allen-Bradley 100S-C43D14C** is a **well-suited choice for small to medium-sized automation tasks** where space efficiency, reliability, and ease of use are priorities. It excels in applications such as motor control, basic sequencing, or simple process automation where the I/O requirements are modest and compatibility with Rockwell s ecosystem is beneficial.

However, it is **not ideal for applications requiring extensive I/O, analog signals, advanced communication protocols, or safety functions**. Users with complex needs such as high-speed motion control, large-scale data acquisition, or integration with non-Rockwell devices may find the 100S series limiting and may need to consider larger PLCs (e.g., CompactLogix, ControlLogix) or alternative brands.

---

### **Recommendation**

- You need a **compact, reliable PLC** for basic control tasks.

- Your application requires **up to 14 digital I/O points** with minimal analog needs.

- You are already using **Rockwell Automation products** and want seamless integration.

- Budget and space constraints make larger PLCs impractical.

- You prioritize **ease of programming** with Studio 5000 and have access to support resources.

- You require **analog I/O, high-speed counters, or advanced communication protocols** (e.g., Modbus, Profibus).

- Your application demands **safety functions** (e.g., emergency stops, safety relays).

- You anticipate **future expansion** that may exceed the 100S series capabilities.

- You prefer **open-source or third-party PLC software** for flexibility.

- Cost is not a limiting factor, and you can invest in a **more scalable PLC** (e.g., Allen-Bradley CompactLogix 5370 or Siemens S7-1200).

For most **entry-level industrial automation projects** where simplicity and reliability are key, the **100S-C43D14C remains a strong, cost-effective option**. However, always assess your long-term needs to ensure the PLC can grow with your application.

Details:

ALLEN BRADLEY 100S-C43D14C / 100SC43D14C USED SAFETY CONTACTOR, 43 AMP, 110 VAC AT 50 HZ 120 60. 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. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

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part #: 100sc43d14c prices

• $49.99-$149.64

specifications automationjack:

• brand: Allen Bradley
• mpn: 100s-c43d14c

offer automationjack:

• sold: 0
• options: Ship-to-home
• started: March 16, 2026
• quantity: 1
• availability: In Stock

general automationjack:

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

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• service: Standard
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• transit: 23-36 Days
• type: Fixed
• cost: $12.90

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• # reviews: 194764
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

returns automationjack:

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

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